PRODUCT REVIEW
COSRX AHA 7 Whitehead Power Liquid - Best Korean Beauty Store
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Product summary
What can the product work for?
Anti-blemish
What does the product description say?
AHA 7 Whitehead Power Liquid .
niacinamide
2.3% -
3.5%
Irritation risk:
Concentration: Effectiveness: HIGH
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture.
The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
glycolic acid
4.7% -
7.1%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
Exfoliation
What does the product description say?
Cosrx AHA 7 Whitehead Power Liquid helps to rid the skin of whiteheads while working to improve skin complexion.
glycolic acid
4.7% -
7.1%
Irritation risk:
Concentration: Effectiveness: HIGH
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
Anti-aging
glycolic acid
4.7% -
7.1%
Irritation risk:
Concentration: Effectiveness: HIGH
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
niacinamide
2.3% -
3.5%
Irritation risk:
Concentration: Effectiveness: HIGH
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture.
The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
Evens skin tone
glycolic acid
4.7% -
7.1%
Irritation risk:
Concentration: Effectiveness: HIGH
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
niacinamide
2.3% -
3.5%
Irritation risk:
Concentration: Effectiveness: HIGH
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture.
The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
Moisturizing
niacinamide
2.3% -
3.5%
Irritation risk:
Concentration: Effectiveness: HIGH
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture.
The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
panthenol
0.5% -
1.1%
Irritation risk:
Concentration: Effectiveness: HIGH
Helps attract water to the upper layer of the skin and can help improve skin barrier function
sodium hyaluronate
0.35% -
0.8%
Irritation risk:
Concentration: Effectiveness: HIGH
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
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Honesty check
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Exfoliation | |
| Anti-blemish |
Total Promises Fulfilled score:
100/100.
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Can it cause trouble?
- Overall product irritation risk
- Acne & comedogenic risk ingredients: 0
Potential irritants
glycolic acid
4.7% -
7.1%
Irritation risk:
Works for:
Anti-aging,
Evens skin tone,
Exfoliation,
Anti-blemish
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
ethyl hexanediol
0.1% -
0.3%
Irritation risk:
Used to dissolve other ingredients. Might be irritating
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Comodogenic ingredients
No comodogenic ingredients detected
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| WIMJ similarity score |
74%
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97%
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91%
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85%
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76%
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74%
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| Common: Other: | Common:
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| Irritancy | IRRITANCY
LOW
| IRRITANCY
LOW
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LOW
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LOW
| IRRITANCY
HIGH
| IRRITANCY
HIGH
| IRRITANCY
HIGH
| IRRITANCY
LOW
| IRRITANCY
HIGH
| IRRITANCY
LOW
| IRRITANCY
HIGH
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LOW
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Ingredients & concentrations
All ingredients
Key Actives
niacinamide
2.3% -
3.5%
Irritation risk:
Works for:
Anti-blemish,
Anti-aging,
Moisturizing,
Evens skin tone,
Reduces irritation,
Reduces redness,
Antibacterial,
Anti-inflammatory
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture.
The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
glycolic acid
4.7% -
7.1%
Irritation risk:
Works for:
Anti-aging,
Evens skin tone,
Exfoliation,
Anti-blemish
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
Show more
Potential irritants
glycolic acid
4.7% -
7.1%
Irritation risk:
Works for:
Anti-aging,
Evens skin tone,
Exfoliation,
Anti-blemish
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
ethyl hexanediol
0.1% -
0.3%
Irritation risk:
Used to dissolve other ingredients. Might be irritating
Show more
Comodogenic ingredients
We couldn't find any comodogenic ingredients in this product
All ingredients
butylene glycol
8.3% -
12.5%
Irritation risk:
Works for:
Moisturizing
Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin
glycolic acid
4.7% -
7.1%
Irritation risk:
Works for:
Anti-aging,
Evens skin tone,
Exfoliation,
Anti-blemish
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
Show more
Ingredient list view
Pyrus malus fruit water, Butylene glycol, Glycolic acid, Water, Niacinamide, Sodium hydroxide, 1,2-hexanediol, Panthenol, Sodium hyaluronate, Xanthan gum, Ethyl hexanediol
Sources
- Photoprotective and antiinflammatory effects of topical glycolic acid
- Glycolic acid peel therapy – a current review
- Dual Effects of Alpha-Hydroxy Acids on the Skin
- Niacinamide - mechanisms of action and its topical use in dermatology
- Gehring, W. (2004). Nicotinic acid/niacinamide and the skin. Journal of Cosmetic Dermatology, 3(2), 88–93. doi:10.1111/j.1473-2130.2004.00115.x
- The influence of alkane chain length on the skin irritation potential of 1,2-alkanediols