Kosas chemistry aha serum deodorant
Kosas kosas chemistry aha serum deodorant lists 14 ingredients on its label, 14 decoded. See what each one does, its irritancy and comedogenic tendency, and its status in national inventories.
Ingredients overview
Label order. Colour is our internal rating: green routine, yellow restricted or worth a look, red prohibited or high-risk, grey not yet decoded.
Ingredients are listed in label order; the order reflects the label only, not exact concentrations.
Highlights
Free of alcoholFree of fragranceFree of parabensFree of siliconesFree of sulfatesFree of mineral oilFree of essential oilsFree of formaldehyde releasers
Formulation view Aqueous gel base with aloe juice, mandelic and lactic acids for gentle exfoliation, and hyaluronate for hydration. Preserved with sorbate and benzoate. Best for dull or rough skin. Factory note: Lacks essential oils, offering a purer texture; value is driven by active ingredient efficacy rather than scent profile.
Key ingredients
- ANTIPLAQUE
- Water
- SKIN CONDITIONING
- Aloe Barbadensis Leaf Juice
- ANTIMICROBIAL
- Mandelic Acid
- DENATURANT
- Glycerin
- ANTI-SEBORRHEIC
- Shikimic Acid
- BUFFERING
- Lactic Acid
- SKIN CONDITIONING - MISCELLANEOUS
- Palmitoyl Tripeptide-5
- HUMECTANT
- Sodium Hyaluronate
Other ingredients
Citric AcidTartaric AcidXanthan GumSodium HydroxidePotassium SorbateSodium Benzoate
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Water | ANTIPLAQUE, SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Aloe Barbadensis Leaf Juice | SKIN CONDITIONING | 0 · 0 | Green |
| Mandelic Acid | ANTIMICROBIAL | 2 · 0 | Green |
| Glycerin | DENATURANT, HAIR CONDITIONING, HUMECTANT, ORAL CARE, SKIN PROTECTING, SOLVENT, VISCOSITY CONTROLLING, PERFUMING, FRAGRANCE, SKIN CONDITIONING - HUMECTANT | 0 · 0 | Green |
| Shikimic Acid | ANTI-SEBORRHEIC, DEODORANT, SKIN CONDITIONING | 1 · – | Green |
| Lactic Acid | BUFFERING, HUMECTANT, SKIN CONDITIONING | 1 · 0 | Green |
| Palmitoyl Tripeptide-5 | SKIN CONDITIONING - MISCELLANEOUS | 0 · 0 | Green |
| Sodium Hyaluronate | HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
| Citric Acid | BUFFERING, CHELATING, FRAGRANCE | 1 · 0 | Green |
| Tartaric Acid | BUFFERING, FRAGRANCE | 3 · 0 | Green |
| Xanthan Gum | BINDING, SURFACTANT - EMULSIFYING, EMULSION STABILISING, GEL FORMING, SKIN CONDITIONING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Sodium Hydroxide | BUFFERING, DENATURANT · 限制 III/15a | 3 · – | Green |
| Potassium Sorbate | FRAGRANCE, PRESERVATIVE · 限制 V/4 | 0 · – | Yellow |
| Sodium Benzoate | ANTICORROSIVE, FRAGRANCE, PRESERVATIVE · 限制 V/1 | 0 · – | Yellow |
Ingredients explained
- Water
- Primary solvent and base; requires preservative system to prevent microbial growth
- Aloe Barbadensis Leaf Juice
- Natural humectant and soother with high water activity; requires preservative system, generally well-tolerated
- Mandelic Acid
- Alpha-hydroxy acid for exfoliation and antibacterial effects; mild penetration, less photosensitivity than other AHAs
- Glycerin
- Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives
- Shikimic Acid
- Antibacterial and oil-controlling organic acid. Can be exfoliating, use low levels for sensitive skin types.
- Lactic Acid
- AHA pH adjuster at 0.5-5%; exfoliation/humectancy, mild at low conc., irritating at high, avoid conflict with alkaline preservatives.
- Palmitoyl Tripeptide-5
- Peptide actives for skin conditioning; typically used at low levels.
- Sodium Hyaluronate
- Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture
- Citric Acid
- Buffer and chelator at 0.1–2%; adjusts pH, may irritate sensitive skin at low pH
- Tartaric Acid
- Small-molecule organic acid used as buffer and antioxidant; highly irritating at high levels, caution for sensitive skin
- Xanthan Gum
- Natural thickener at 0.1–1%; provides gel texture, pH-stable, requires full hydration
- Sodium Hydroxide
- Strong base neutralizer for pH adjustment; handle with extreme care
- Potassium Sorbate
- Preservative effective below pH 6; combinable with sodium benzoate
- Sodium Benzoate
- Preservative booster, effective below pH 4.5; combinable with sorbates
Source: full ingredient list published on the product label, collected 2026-09-17. Ratings are our internal reading, not a regulatory conclusion. · Product page
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