ProtoClinical k-beauty COSRX AHA 7 Whitehead Power Liquid 100ml in a slim upright bottle with a dark cap centered on a white background
COSRX

COSRX AHA 7 Whitehead Power Liquid 100ml

$11.79
Visibly brightens skin tone and fades uneven patches Delivers deep, lasting hydration that keeps skin plump throughout the day Provides intensive moisture that sinks in without heaviness


  • Brightening Home Care - Cleanses the skin with dull skin and upgrades to transparent skin.
  • Removes sebum - Removes sebum on skin that is not caught by cleansing or pack.
  • Pore Care - Moisturizes dry skin and helps keep pores dry without worrying about dryness.
  • Tips - Use it as a special care skin pack to keep hydration and clear skin tone.
  • Key Ingredients - Number of apples 78.05%, Glycolic acid (AHA) 7%
For dry skin dealing with dehydration: COSRX's toner with Glycolic Acid works from within to deliver visibly brightens skin tone and fades uneven patches, not just temporary comfort.
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Glycolic Acid: dissolves the bonds between dead cells for faster turnover and brighter surface texture
COSRX AHA 7 Whitehead Power Liquid 100ml
COSRX AHA 7 Whitehead Power Liquid 100ml Default Title
$11.79
Ingredient-focused product details Clear use directions Full INCI when available Delivery confirmed at checkout
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Glycolic Acid

Glycolic acid has the smallest molecular size among AHAs, allowing it to penetrate the stratum corneum efficiently. It works by disrupting ionic bonds between corneocytes, accelerating the natural shedding process. In this toner, Glycolic Acid targets dehydration, delivering visibly brightens skin tone and fades uneven patches with consistent use.

Glycolic Acid
dissolves the bonds between dead cells for faster turnover and brighter surface texture
Texture

Watery, refreshing

Dry Skin
Hover the swatch: it ripples like water

How to use

1

After cleansing and toner, apply a thin layer to dry skin.

2

Avoid the eye and lip areas.

3

Leave on and follow with moisturizer.

4

Start 2-3 nights weekly, then increase as tolerated.

5

Use sunscreen during the day.

Full transparency

Ingredients

Glycolic Acid dissolves the bonds between dead cells for faster turnover and brighter surface texture. This focused formula puts all its power behind one proven active for maximum impact.

Glycolic acid has the smallest molecular size among AHAs, allowing it to penetrate the stratum corneum efficiently. It works by disrupting ionic bonds between corneocytes, accelerating the natural shedding process. In this toner, Glycolic Acid targets dehydration, delivering visibly brightens skin tone and fades uneven patches with consistent use.

The detail

Specs & details

FormatBalancing toner
SizeDefault Title
Skin typesDry Skin
Country of originSouth Korea
Before you add to cart

Questions & answers

Both work. Hands waste less product; cotton pads provide light physical exfoliation. Choose based on your preference.
Yes, the 7-skin method (layering toner) is a popular Korean skincare technique for deeper hydration.
Most users notice initial improvement within 2 to 4 weeks. For full benefits like visibly brightens skin tone and fades uneven patches, allow 6 to 8 weeks of consistent use.
Your skin begins adjusting. You may notice improved hydration and comfort before more visible changes like texture refinement become apparent.
Yes, this formula is developed to be compatible with dry skin dealing with dehydration. If you have very reactive skin, patch test on the inner arm before full application.
The formula is designed to be well-tolerated. For pregnancy-specific concerns, consult your healthcare provider. For sensitive skin, patch test before full application.
Glycolic Acid dissolves the bonds between dead cells for faster turnover and brighter surface texture. Consistent daily use is key to seeing the full benefits.
Check the INCI list for the most accurate information on fragrance components. The formula is developed for minimal irritation potential.
Store in a cool, dry place away from direct sunlight. Use within 12 months of opening for optimal freshness and efficacy.
Formulated with Korean beauty expertise, this product combines carefully selected ingredients at optimal concentrations for targeted results that compound with consistent daily use.
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