COSRX AHA 7 Whitehead Power Liquid
The COSRX AHA 7 Whitehead Power Liquid is a misc. Our analysis of its 10 ingredients (9 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to dry skin.
The COSRX AHA 7 Whitehead Power Liquid is a misc. Our analysis of its 10 ingredients (9 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to dry skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Pyrus Malus (Apple) Fruit Water
(Fragrance, Masking) |
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
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Glycolic Acid
(Exfoliant, Ph Adjuster, Buffering Agent) |
Good for Oily Skin
Bad for Sensitive Skin
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Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing) |
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Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent) |
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1,2-Hexanediol
(Solvent) |
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Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
Good for Dry Skin
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
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Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling) |
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Ethyl Hexanediol
(Fragrance, Solvent) |
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How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
The concentrations these actives are typically effective at in research — not a measurement of this product.
Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.
Niacinamide
OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.
Glycolic Acid
INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.
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