cosrx Aha 7 Whitehead Power Liquid
cosrx COSRX Aha 7 Whitehead Power Liquid lists 11 ingredients on its label, 11 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 fragranceFree of parabensFree of siliconesFree of sulfatesFree of mineral oilFree of essential oilsFree of formaldehyde releasersContains EU-26 allergensContains alcohol
Formulation view Apple fruit water base with high glycolic acid for exfoliation, plus niacinamide and panthenol for repair. Hyaluronic acid hydrates; xanthan gum adjusts viscosity. For thick skin and pores. Factory note: Acidic formulas are pH-sensitive; precise neutralization is key to barrier safety.
Key ingredients
- FRAGRANCE
- Pyrus Malus Fruit Water
- HUMECTANT
- Butylene Glycol
- BUFFERING
- Glycolic AcidSodium Hydroxide
- ANTIPLAQUE
- Water
- SMOOTHING
- Niacinamide
- SKIN CONDITIONING
- 1,2-Hexanediol
- ANTISTATIC
- Panthenol
Other ingredients
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Pyrus Malus Fruit Water | FRAGRANCE | 0 · 0 | Green |
| Butylene Glycol | HUMECTANT, FRAGRANCE, SKIN CONDITIONING, SOLVENT, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Glycolic Acid | BUFFERING | 2 · 0 | Green |
| Water | ANTIPLAQUE, SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Niacinamide | SMOOTHING | 0 · 0 | Green |
| Sodium Hydroxide | BUFFERING, DENATURANT · 限制 III/15a | 3 · – | Green |
| 1,2-Hexanediol | SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Panthenol | ANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING | 0 · 0 | Green |
| Sodium Hyaluronate | HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
| Xanthan Gum | BINDING, SURFACTANT - EMULSIFYING, EMULSION STABILISING, GEL FORMING, SKIN CONDITIONING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Ethyl Hexanediol | SOLVENT | 0 · 0 | Green |
Ingredients explained
- Pyrus Malus Fruit Water
- Apple water, hydration and mild conditioning; 5–20% typical, 26 allergens included
- Butylene Glycol
- Polyol humectant and solvent at 1–5%; aids solubilization, light feel
- Glycolic Acid
- Glycolic acid for exfoliation; requires buffering at concentrations >10%, avoid combination with other acids.
- Water
- Primary solvent and base; requires preservative system to prevent microbial growth
- Niacinamide
- Niacinamide at 2–5%; improves texture, controls oil, brightens; high levels may cause sensitivity
- Sodium Hydroxide
- Strong base neutralizer for pH adjustment; handle with extreme care
- 1,2-Hexanediol
- Polyol solvent and preservative booster at 1–5%; light feel, can replace some traditional preservatives
- Panthenol
- Panthenol (vitamin B5) at 1–5%; moisturizing and reparative, supports barrier recovery
- Sodium Hyaluronate
- Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture
- Xanthan Gum
- Natural thickener at 0.1–1%; provides gel texture, pH-stable, requires full hydration
- Ethyl Hexanediol
- Polyol solvent with humectant and mild preservative boost; low viscosity, compatible with many ingredients, gentle.
Source: full ingredient list published on the product label, collected 2026-09-18. Ratings are our internal reading, not a regulatory conclusion. · Product page
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