Last updated: August 2026.
Body odour does not come from sweat. It comes from a short list of bacteria, mostly Corynebacterium and Staphylococcus hominis, breaking down the lipids and amino acids in apocrine sweat into volatile fatty acids. The smell is the bacteria, not you. That is why a well-built natural deodorant can do the job without aluminium chlorohydrate, even in Singapore humidity. It targets the bacteria and leaves your sweat glands alone.
The catch is that "natural" is not a regulated cosmetic term, so the label is a marketing claim, not a quality control. This guide gives you the four mechanisms that actually do something, the ingredients to avoid with citations, and 9 picks you can buy in Singapore today, each with the price we recorded on 25 August 2026 and, where the brand publishes a size, the price per gram worked out for you. Every pick was checked for availability before it went on the list.
Two of the nine are ours. The Pure Crystal Deodorant is an Efreshme product and we stock the Nuud cream, and both are flagged as such where they appear. The other seven we do not sell and make nothing from. Read the rankings with that in mind.
TL;DR: the short answer
Buy a mineral salt stone if you want the shortest ingredient list and the lowest cost per year of the picks we costed. Ours is S$8.99 for 120g, and we estimate a stone lasts 8 to 12 months of daily use, which is our own figure rather than a measured average. Buy a zinc oxide plus microsilver cream if you want the longest wear per application and you travel. Buy a magnesium stick if you have reacted to baking soda before and you want something that looks like a normal deodorant.
If your skin has reacted to deodorants before, skip baking soda and skip fragrance, those are the two most common sensitisers in this category. And if you sweat heavily and want a dry armpit rather than just no smell, you want an antiperspirant, not this category. They solve different problems, and we go into that in our guide to sweaty armpits in Singapore.
Why "natural" is a marketing word, not a category
No regulator in Singapore, the US, or the EU defines "natural" for cosmetics. The Health Sciences Authority cosmetic notification framework cares about safety, not about how plant-derived the formula is. So any brand can stamp "natural" on the front of a tube and it tells you nothing about what is inside. Read the INCI list on the back, that is the only thing that matters.
What you are really shopping for is a deodorant with a sensible active system, no fragrance load you do not want, and a base that does not strip your skin barrier. The next four sections cover the four active systems that actually do something.
The four mechanisms that work
1. Mineral salt (potassium alum)
Potassium alum is a double crystal salt. When you rub a damp alum stone or a roll-on under your arm, a thin ionic film forms on the skin surface. The film inhibits bacterial growth without absorbing into the skin. The alum molecule is large and lattice-bound, so the aluminium in alum is not the same chemistry as the aluminium chlorohydrate in an antiperspirant: chlorohydrate is a small soluble salt that enters the sweat duct and physically plugs it, alum sits on the surface and never enters the duct.
This matters because most "aluminium-free" marketing copy lumps the two together, and they are different molecules doing different things. What we can say is the mechanism: an alum crystal is not formulated to enter the duct and does not block sweat, which is why it is a deodorant and not an antiperspirant. What we are not going to do is hand you a one-line safety verdict on aluminium in cosmetics, because the regulatory literature does not reduce to one line. It also means an alum stone is not literally aluminium-free, and we have written a whole section on that below rather than bury it.
2. Zinc oxide plus microsilver
Zinc oxide is a white mineral powder, bacteriostatic against the genera that produce axillary odour. A 2020 randomised double-blind placebo-controlled trial in Acta Dermato-Venereologica (Sandby-Moller et al., DOI 10.2340/00015555-3499) put zinc oxide cream against placebo on volunteers' armpits and measured reduced Corynebacterium counts and lower self-reported malodour. Zinc oxide also absorbs moisture, so the surface stays drier even though the gland is open.
Microsilver, typically MicroSilver BG at around 10 micrometre particle size, releases silver ions in the presence of sweat. The ions bind to thiol groups in bacterial membrane proteins and to bacterial DNA, killing the bacteria outright. The particle size is the point: at around 10 micrometres these are three orders of magnitude larger than the silver nanoparticles that dominate the absorption literature, and an intact stratum corneum does not admit particles at that scale. Note that the published silver-absorption work, for example Kreyling et al. 2018 in Nanotoxicology, studies nanoparticles rather than microparticles, so it describes the class we are contrasting against and not this one. Stack zinc oxide and microsilver and you get fast knock-down from the silver plus sustained suppression from the zinc, with two mechanisms that do not cross-resist. We dig into this formula in our zinc oxide plus microsilver deep-dive.
3. Baking soda plus arrowroot (or cornstarch, kaolin)
Baking soda raises the skin surface pH from its natural 4.7 to 5.5 range up to about 8 to 9, which is inhospitable to the odour-producing genera. Arrowroot, cornstarch and kaolin clay wick moisture so the residual sweat does not pool. This is the workhorse formula behind a huge chunk of the natural deodorant market because it is cheap, shelf-stable, and effective.
The trade-off is irritation. The acid mantle protects against environmental damage and water loss, and pulling pH up by three to four points strips it. People who tolerate baking soda fine often tolerate it for years and then suddenly do not, because cumulative low-grade irritation eventually crosses a threshold. If you have shaved, waxed or sugared your underarm recently, or your skin already reacts to perfumes and surfactants, baking soda is the single most likely culprit in a "this deodorant suddenly burns" complaint. Pick a baking-soda-free option from the start if any of that describes you. The principle is documented in Cohen et al. 2010 on baking soda and skin pH.
4. Magnesium hydroxide
Magnesium hydroxide is the gentler cousin of baking soda. Same neutralising idea, a pH shift that makes the bacteria unhappy, but a weaker base, so the pH shift is smaller and the skin barrier holds up. Most newer Singapore-formulated natural deodorants have moved to magnesium specifically because the baking soda reaction rate in customer reviews was getting expensive. If you reacted to baking soda before but still want a stick or a roll-on with body to it, look for magnesium.
What dermatologists tell you to avoid
| Ingredient | Why dermatologists flag it | Who should avoid |
|---|---|---|
| Fragrance / parfum | Single most common cause of axillary contact dermatitis in patch-test data | Anyone with prior dermatitis, eczema, or hidradenitis |
| Lichen acids (oakmoss, treemoss) | Documented allergen in natural deodorants (PMID 16844524) | Anyone with prior cosmetic allergy |
| Essential oils at high load | Limonene, linalool, citral and geraniol oxidise to sensitisers; tea tree at 5+ percent flagged in case reports | Sensitive skin, post-shave skin |
| Baking soda above 5 percent | pH 8 to 9 disrupts the acid mantle; cumulative effect over months | Sensitive skin, recently shaved or waxed, hyperhidrosis |
| Alcohol denat as the main solvent | Disrupts the surface lipid film that holds the active in place; stings on broken skin | Anyone with razor burn, ingrowns, eczema |
| Triclosan | Banned in US OTC antiseptic soap 2016 (FDA), restricted in EU cosmetics | Everyone, look for a defined preservative system instead |
Two things about that table. The claims in it are drawn from published dermatology literature and patch-test case series, cited where a specific paper carries the point; no dermatologist was consulted for this article, and where the heading says "dermatologists" it means that literature rather than a named clinician. And every row is about the underarm specifically, on skin that is often freshly shaved and occluded all day. Fragrance and essential oils are not a problem everywhere on the body at every load, and we sell fragranced products ourselves; the axilla is the place they cause the most trouble.
None of these will kill you. They are the items that show up most in axillary contact-dermatitis case series. If your skin is robust and you have used a fragranced baking-soda stick for years without trouble, carry on. If you are starting from scratch or troubleshooting a reaction, this is the elimination order.
What nine natural deodorants actually cost in Singapore right now
Most SG guides to this category rank the bottles and skip the money. Prices below were read off live retailer pages on 25 August 2026. Where a product was on promotion that day, both numbers are shown, because the promotion will end and the usual price will not. The per-gram column is calculated from the 25 August price, so on the four promoted lines it will read lower than it will next month. Ten rows for nine picks, because Nuud sells the same cream in two sizes and they price very differently.
| Product | Size | Usual price | Price on 25 Aug 2026 | Per g or ml, at the 25 Aug price | Where |
|---|---|---|---|---|---|
| Efreshme Pure Crystal Deodorant | 120g | S$8.99 | S$8.99 | S$0.075/g | efreshme.com |
| Dove 0% Aluminium Salts, Cucumber & Green Tea | 50ml | S$7.85 | S$6.20 | S$0.124/ml | Watsons SG |
| Sukin Fresh Cotton Natural Deodorant | 125ml | S$15.20 | S$10.60 | S$0.085/ml | Watsons SG |
| HYGR Smell Be Gone | 25g | S$20.00 | from S$15.90 | S$0.636/g | hygr.sg |
| AporeNaturals roll-on | 50ml | S$18.00 | S$18.00 | S$0.360/ml | aporenaturals.com |
| Nuud Deodorant Cream, Black | 15ml | S$18.90 | S$18.90 | S$1.260/ml | efreshme.com |
| Nuud Deodorant Cream Twin, Black | 2 x 20ml | S$29.90 | S$29.90 | S$0.748/ml | efreshme.com |
| Twisted Duo Calm the Funk Down | weight not published | S$21.00 | S$21.00 | not calculable | twstdduo.com |
| Coconut Matter MOOD Hero | 35g | S$31.00 | S$24.80 | S$0.709/g | Watsons SG |
| Salt & Stone Santal & Vetiver | 75g | S$33.00 | S$33.00 | S$0.440/g | Sephora SG listing |
The spread is roughly seventeen-fold on a per-gram basis, from S$0.075 to S$1.26, and it does not track effectiveness. It tracks format. A crystal stone is cheap per gram because it is one mineral with no base, no emulsifier and no water. A cream is expensive per millilitre because you use a fraction of a millilitre at a time, so the per-gram number flatters the stone and punishes the cream. Read the column as a shelf-price sanity check, not as a value ranking. Twisted Duo has no figure because the brand does not publish a jar weight.
The running cost is the number that actually bites, and we can only calculate it where a brand publishes a usage rate. Coconut Matter says a 35g tube lasts up to three months of daily use. At the usual S$31.00 that is about S$124 a year, and because "up to" is a ceiling, S$124 is the optimistic end rather than the middle. At the 25 August promotional price it would be about S$99. We estimate a 120g stone at 8 to 12 months, which puts ours at roughly S$9.00 to S$13.50 a year. Both usage figures come from the brand, ours included, so treat them as claims rather than measurements. Nobody else here publishes a usage rate, so nobody else is costed.
The 9 best natural deodorants in Singapore (2026)
Each pick had to clear three things: a stated active system we could identify, a published price at a Singapore retailer on 25 August 2026, and availability on that date. Two picks are here on price and convenience rather than on formulation, and both say so in their entry. Where a product carries something from the avoid table, the entry names it. Nothing that was fully out of stock on 25 August made the list.
1. Efreshme Pure Crystal Deodorant, S$8.99 / 120g
Single-ingredient potassium alum stone, unscented, 120g. The mechanism is the cleanest in the category: surface antibacterial film, zero penetration, zero fragrance, nothing to react to. Damp the stone under the tap, glide once across each underarm after a shower, done. The format is unglamorous, it is a literal crystal rather than a stick, which is exactly why the INCI list stays one line long. Best starter pick if you want maximum signal-to-noise, and the cheapest thing here to run. This is our own product, so weigh the ranking accordingly, and read the aluminium section below before you buy if the word matters to you. Available on our website at S$8.99.
2. Nuud Deodorant Cream, S$18.90 / 15ml or S$29.90 / 2 x 20ml
Zinc oxide plus MicroSilver BG in a coconut and castor oil cream base. The cream goes on with a fingertip, one pea-sized dab per armpit, and Nuud says one application holds for 2 to 5 days, which is the brand's claim and a generous one. Nuud states the formula is free of fragrance, alcohol, baking soda and aluminium. This is the pick if you travel or you hate reapplying, and the wear time is why people choose it over a stick. A cream you apply with a fingertip is not for everyone, so try the 15ml before the twin. Buy the Black in either size; the Pink 15ml is the one variant currently out of stock. This is a product we stock. Available on our website, the twin pack at S$29.90 and the 15ml single at S$18.90.
3. Twisted Duo Calm the Funk Down, S$21.00 at twstdduo.com
Singapore-made, and the local brand with the biggest following in this category. Shea butter and virgin coconut oil base with kaolin clay for the moisture wick and colloidal oat flour and calendula for the irritation side, which is a well-judged set of choices for a jar deodorant. The brand says on its own site that it has been awarded Best Deodorant five years running; it does not name the award on that page and we have not verified it, so read it as the brand's claim. Calm the Funk Down is the signature; Bo.Ho, geranium and rosemary, is S$19.00 today. It is fragranced with essential oils, so if you are in the sensitive column of the table above, this is not your first pick. The brand does not publish a jar weight on its collection page, so we cannot give you a per-gram figure.
4. HYGR Smell Be Gone, from S$15.90 / 25g at hygr.sg
Also Singapore-made, and new to this list. Aluminium-free, alcohol-free and paraben-free stick in a 25g twist-up. The single is from S$15.90 today against a S$20.00 usual price, and there is a refillable line alongside it: a case plus one refill from S$12.00, three refills for S$56.90, or a case plus three refills for S$65.90. Worth checking the arithmetic before you commit to a bundle, because at today's single price the three-refill bundle works out around S$18.97 each and is not the saving it looks like. The scents are named rather than unscented, Zasmine among them, so this is a fragranced product. Small format, so it travels well and it runs out faster. Sold direct in Singapore, and at Watsons Malaysia.
5. AporeNaturals Natural Deodorant, S$18 / 50ml at aporenaturals.com
The third Singapore-made pick. Magnesium-powered with probiotics, aluminium-free and paraben-free, in a liquid roll-on that is the easiest thing on this list to apply without touching your skin or waiting for a cream to sink in. The brand claims up to 12 hours, which is a modest number by the standards of this category and useful precisely because it tells you to expect a midday reapplication. Scents include cypress and sandalwood, eucalyptus and mint, and rose and geranium, so it is fragranced.
6. Sukin Fresh Cotton Natural Deodorant, S$15.20 (S$10.60 today) / 125ml at Watsons SG
Aluminium-free spray with zinc phenolsulfonate, a zinc salt used as an astringent and odour-control agent, plus aloe, burdock and nettle. It is a zinc active, though it is not the same molecule as the zinc oxide in the trial above and does not inherit that evidence. The Australian brand has been at Watsons SG and Guardian SG long enough that you can walk in and grab it, and the spray is the cleanest way to apply if you do not want to touch your armpits. Two caveats. It is fragranced, with cotton, lily, jasmine and cedarwood notes. And Sukin's own Watsons listing states the product is not recommended for sensitive skin and asks you to patch test first. On the filter set out above it is here for availability and price rather than for formulation, and if your skin reacts easily it is not your pick.
7. Coconut Matter MOOD Hero, S$31.00 (S$24.80 today) / 35g at Watsons SG
Baking-soda-free push-up tube on magnesium hydroxide, arrowroot and tapioca starch, with zinc ricinoleate and shea butter. Compostable packaging, no plastic, made in Hong Kong with Solomon Islands coconut oil. It is the most carefully formulated baking-soda-free stick we found on a Singapore shelf. One thing to flag, since we listed it in the avoid table three sections up: the published INCI includes peppermint, eucalyptus and rosemary essential oils with D-limonene and linalool as naturally occurring components. Those are exactly the oxidising sensitisers we told you to watch. Fine for most skin, not for reactive skin, and we would rather say so than sell you the pick and hide the ingredient list.
8. Dove 0% Aluminium Salts, Cucumber & Green Tea, S$7.85 (S$6.20 today) / 50ml at Watsons SG
The cheapest aluminium-free pick at any Singapore drugstore and the easiest to grab. Be clear about what it is: water and glycerin with niacinamide, no aluminium salts and no alcohol, but none of the four active systems above. It works by not being an antiperspirant and by carrying a scent, which is a real thing to buy but it is not a mechanism. It is also fragranced, and fragrance sits at the top of our avoid table. This is the try-before-you-commit option, and at S$6.20 it is a cheap way to find out whether you can live without an antiperspirant at all.
9. Salt & Stone Santal & Vetiver, S$33 / 75g at Sephora SG
Premium US brand, probiotic and shea butter base on baking-soda-free magnesium hydroxide. The price reflects the brand more than the formula, but the wear and the skin conditioning are good and the scent work is the most ambitious here. It is also the most heavily fragranced pick on the page, santal and vetiver, so it is the wrong end of the list for reactive skin and it belongs in the same caution bracket as Dove and Twisted Duo. Pick it if you want a deodorant that smells like a fragrance launch and the markup does not bother you. One note on the price: it comes from Sephora SG's listing page rather than the product page, which is the only figure here we could not read off the product page itself.
Our own stone contains an aluminium salt, and we are not going to pretend otherwise
If you searched "aluminium free deodorant Singapore" and landed here, you deserve a straight answer before you put a crystal stone in your basket. Potassium alum is potassium aluminium sulfate. There is aluminium in it. Any brand telling you a crystal deodorant is aluminium-free is playing with the word, and that includes anyone selling ours.
What is true is the distinction in the mechanism section above: alum is a large lattice-bound crystal that forms a film on the skin surface, and aluminium chlorohydrate is a small soluble salt engineered to enter the sweat duct and plug it. Different molecules and different behaviour, and that difference is why alum stones sit in the natural category at all. It is a claim about mechanism, not a clean bill of health, and we are not going to dress it up as one.
It is still not the same as zero aluminium. If your reason for leaving antiperspirant is that you want no aluminium anywhere near your skin, then our stone is the wrong pick and eight of the other nine entries here are fine, because Nuud, Twisted Duo, HYGR, AporeNaturals, Coconut Matter, Salt & Stone, Sukin and Dove all state they contain no aluminium. Cheapest of those on 25 August was Dove at S$6.20. We would rather point you at a six-dollar competitor than have you find this out after you have bought.
What we cut from this list and why
Two picks came off the May 2026 version of this article. The Nuud Deodorant Stick is gone because every variant is out of stock on our own store, and recommending something you cannot buy is worse than recommending nothing. Native is gone because we could not find an authorised Singapore channel or a stable price for it, only marketplace listings that moved between visits. We are not making any claim about the product; we simply cannot quote it accurately, so it should not be in a price table.
Further back, the 2022 version of this article recommended Lume, Each & Every and Arm & Hammer Essentials. None of the three are stocked at a major Singapore retailer in 2026. If you have been using one and want a swap, the Nuud cream is the closest match for Lume on format and the Sukin spray is the closest match for the Arm & Hammer aerosol on price and format.
How to switch from antiperspirant without smelling for two weeks
The purge period is real. Sweat glands that have been plugged by aluminium chlorohydrate for years have a backlog of trapped sweat and the bacterial population on the surface has adapted to the dryness. When you switch, the glands open up and the bacteria need a few weeks to rebalance. You will smell more than usual for 7 to 14 days, then it settles.
The transition pack: clay mask the underarm twice in week 1 with kaolin or bentonite for 5 minutes and rinse, exfoliate gently with a sugar scrub or a flannel twice a week, shower before reapplying because the deodorant needs clean skin to bond, and reapply once mid-day if you exercise. After 14 days the natural option is doing what it should. Pushing through the purge is the single biggest reason people give up on naturals, and it is also the easiest hurdle to clear if you know it is coming. There is more on the odour side of this in our guide to stopping underarm odour.
SG humidity, the part most international guides skip
Singapore's relative humidity swings through roughly 70 to 90 percent across a typical day and the annual mean sits in the low-to-mid 80s (Meteorological Service Singapore climate records). You sweat more here than you would in a temperate climate, period. A natural deodorant that controls odour does not stop the sweat, so your shirt will still get damp on a hot day even with a perfect aluminium-free formula. That is the trade-off, not a flaw. If the wet underarm is the dealbreaker, you want an antiperspirant. If smell control is the brief and you accept the sweat, the picks above all hold up in our weather.
Practical tweaks for humid days: apply right after showering on dry skin, reapply once after lunch on a 30-degree day, and choose a stone or a cream over a fragranced stick if you are doing field work, because there is less to sweat off. Cotton or merino t-shirts let the underarm breathe in a way that a polyester athletic top does not, which matters more here than people give it credit for.
Buying this in Malaysia
The Singapore-made brands travel. HYGR is on Watsons Malaysia at RM39.90 for the 25g Zasmine stick, against S$15.90 to S$20.00 direct from the brand in Singapore. We are deliberately not converting those into each other, because the rate moves and a stale conversion is worse than none; compare each against what else is on the shelf in that country.
Watsons Malaysia also carries JOI Eucalyptus & Mint 60ml at RM37.62, a magnesium and probiotic formula in the same family as AporeNaturals, 6 PERSCENT Coconut & Vanilla 15g at RM19.79, and SIMPLE 0% Aluminium Salts roll-on 45ml at RM13.01 as the budget end. Those three plus the HYGR figure were all read on 25 August 2026. Sukin, Dove and Salt & Stone are also sold in Malaysia but at different SKUs and sizes, so check the size before comparing to the Singapore column.
The dermatologist filter, summarised
If you are picking a natural deodorant cold, the filter is short: no aluminium chlorohydrate, baking-soda-free if you have sensitive skin, magnesium or zinc or alum as the active, and as little fragrance as you can live with.
Only four of the nine clear that filter completely on fragrance: the Pure Crystal stone, the Nuud cream, and at a push the two unscented variants some of these brands offer. Dove, Sukin, Twisted Duo, HYGR, AporeNaturals, Coconut Matter and Salt & Stone are all scented to some degree, and each entry says so. That is not a reason to avoid them, most people's underarms are fine with fragrance. It is a reason to start elsewhere if yours are not. Match the format to your routine and you are done.
If you want the reasoning behind the filter rather than the product list, our guide to what dermatologists actually look for in a deodorant is the better page and covers the aluminium question at more length. The wider Efreshme ingredient library covers the individual actives.
FAQ
What is the best natural deodorant in Singapore?
For most people, a potassium alum stone. It has the shortest ingredient list, nothing in it to react to, and the lowest running cost in the category at S$8.99 for a 120g stone. If you want genuinely zero aluminium, a zinc oxide plus microsilver cream is the better answer, and if you want a normal-looking stick, a magnesium hydroxide formula is.
How much does a natural deodorant cost in Singapore?
On list prices, between S$7.85 and S$33 on 25 August 2026, with the Dove 0% aluminium deodorant at the bottom and Salt & Stone at Sephora at the top. Promotions pushed the Dove to S$6.20 and the Sukin spray to S$10.60 that day. Per gram the spread is wider still, from S$0.075 for a crystal stone to S$1.26 for a small cream. Running cost matters more than sticker price, and of the two products here that publish a usage rate, the stone works out roughly ten times cheaper per year.
Does natural deodorant actually work in Singapore humidity?
Yes for odour control, no for sweat control. Bacteria are the same here as anywhere else, so the antibacterial mechanism is what kills the smell. You will still sweat at the gland level, but you will not smell.
Is a crystal deodorant aluminium-free?
No. Potassium alum is potassium aluminium sulfate, so there is aluminium in it. The useful distinction is that alum is a large lattice-bound crystal that sits on the skin surface, while aluminium chlorohydrate is a small soluble salt that enters and plugs the sweat duct. Different molecules and different behaviour, but if you want no aluminium at all, choose a zinc, magnesium or microsilver formula instead.
Is alum the same as aluminium chlorohydrate?
No. Potassium alum is a large lattice-bound crystal that forms an antibacterial film on the skin surface. Aluminium chlorohydrate is a small soluble salt that enters the sweat duct and plugs it, which is what makes an antiperspirant an antiperspirant. Alum does not block sweat at all, so it controls odour without reducing how much you sweat.
Why does my new natural deodorant burn?
First check baking soda content. If it is in the top 5 INCI items, that is almost certainly the trigger. Second check fragrance or essential oils, particularly tea tree above 1 percent and any citrus oil. Switch to a fragrance-free magnesium, zinc or alum formula and the burn usually clears in 3 to 5 days.
How long should one Efreshme Pure Crystal Deodorant last?
Eight to twelve months of daily use on a 120g stone, often longer. The stone wears down slowly because each application uses milligrams of material, not grams. That figure is our own estimate rather than a measured average.
Are aluminium antiperspirants linked to breast cancer?
The US National Cancer Institute and the American Cancer Society both state the current evidence does not support a causal link. We are not making a claim either way, we are pointing at the citation, the cancer.gov antiperspirants fact sheet. If the topic concerns you, a natural deodorant gives you the alternative without needing to settle the science.
What if I am pregnant or breastfeeding?
The general cosmetic advice is to avoid high-load essential oil formulas during pregnancy, which points you towards the unscented end of this list, a fragrance-free zinc oxide cream or an unscented alum stone. That is a comment on how many known sensitisers a formula contains, not a safety verdict on any specific product, and we are not in a position to give you one. Raise it with your doctor or midwife if you are unsure.
Will a natural deodorant stain my white shirts?
Usually less than aluminium antiperspirants do. The common explanation for the yellow underarm stain on a white tee is a reaction between aluminium salts, sweat and the fabric rather than the deodorant pigment itself. Whatever the mechanism, people who switch away from aluminium chlorohydrate generally report the staining easing over a few wash cycles.
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