PRODUCT REVIEW
Cos De BAHA Azelaic Acid + Tea Tree Clear Skin Facial Serum with Niacinamide 10%, Salicylic Acid, Retinol
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Price as of 11/23/2024 2:26 GMT.
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8 routines
Added by Renee
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Product summary
What can the product work for?
Anti-blemish
What does the product description say?
azelaic acid
3.5% -
5.2%
Irritation risk:
Concentration: Effectiveness: HIGH
Is produced by a yeast that lives on normal human skin. It is used in medicine as a topical treatment for mild to moderate acne. It has a mild exfoliating effect. It can also help reduce hyperpigmentation, helps calm down inflammation and can help neutralize free radicals
retinol
0.1% -
0.35%
Irritation risk:
Concentration: Effectiveness: HIGH
Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating
niacinamide
5.1% -
7.6%
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
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Anti-aging
What does the product description say?
retinol
0.1% -
0.35%
Irritation risk:
Concentration: Effectiveness: HIGH
Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating
niacinamide
5.1% -
7.6%
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
niacinamide
5.1% -
7.6%
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
azelaic acid
3.5% -
5.2%
Irritation risk:
Concentration: Effectiveness: HIGH
Is produced by a yeast that lives on normal human skin. It is used in medicine as a topical treatment for mild to moderate acne. It has a mild exfoliating effect. It can also help reduce hyperpigmentation, helps calm down inflammation and can help neutralize free radicals
retinol
0.1% -
0.35%
Irritation risk:
Concentration: Effectiveness: HIGH
Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating
Show more
Exfoliation
retinol
0.1% -
0.35%
Irritation risk:
Concentration: Effectiveness: HIGH
Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating
azelaic acid
3.5% -
5.2%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
Is produced by a yeast that lives on normal human skin. It is used in medicine as a topical treatment for mild to moderate acne. It has a mild exfoliating effect. It can also help reduce hyperpigmentation, helps calm down inflammation and can help neutralize free radicals
salicylic acid
0.35% -
0.8%
Irritation risk:
Concentration: Insufficient!
Used for skin exfoliation. It has an anti-inflammatory and anti-bacterial effect, helps to unclog pores, prevent blemishes and speed up healing of the existing ones. Sometimes referred to as a BHA (beta-hydroxy acid)
Moisturizing
sodium hyaluronate
1% -
1.5%
Irritation risk:
Concentration: Effectiveness: HIGH
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
niacinamide
5.1% -
7.6%
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
propylene glycol
23% -
35%
Irritation risk:
Concentration: Effectiveness:
LOW
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
Anti-oxidation
retinol
0.1% -
0.35%
Irritation risk:
Concentration: Effectiveness: HIGH
Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating
azelaic acid
3.5% -
5.2%
Irritation risk:
Concentration: Effectiveness: HIGH
Is produced by a yeast that lives on normal human skin. It is used in medicine as a topical treatment for mild to moderate acne. It has a mild exfoliating effect. It can also help reduce hyperpigmentation, helps calm down inflammation and can help neutralize free radicals
Honesty check
How honest is this product?
Promise | Can it deliver? |
---|---|
Anti-aging | |
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
propylene glycol
23% -
35%
Irritation risk:
Works for:
Moisturizing
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
salicylic acid
0.35% -
0.8%
Irritation risk:
Works for:
Anti-blemish,
Exfoliation,
Anti-inflammatory,
Antibacterial,
Evens skin tone
Used for skin exfoliation. It has an anti-inflammatory and anti-bacterial effect, helps to unclog pores, prevent blemishes and speed up healing of the existing ones. Sometimes referred to as a BHA (beta-hydroxy acid)
Show more
Comodogenic ingredients
No comodogenic ingredients detected
User reviews (0)
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Key ingredients |
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Irritancy | IRRITANCY
MEDIUM
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MEDIUM
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LOW
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LOW
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MEDIUM
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HIGH
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HIGH
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LOW
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LOW
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LOW
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MEDIUM
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Ingredients & concentrations
All ingredients
Key Actives
niacinamide
5.1% -
7.6%
Irritation risk:
Works for:
Anti-blemish,
Anti-aging,
Evens skin tone,
Moisturizing,
Reduces irritation,
Anti-inflammatory,
Reduces redness,
Antibacterial
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
retinol
0.1% -
0.35%
Irritation risk:
Works for:
Anti-aging,
Anti-oxidation,
Exfoliation,
Mattifying,
Anti-blemish,
Evens skin tone
Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating
Show more
Potential irritants
propylene glycol
23% -
35%
Irritation risk:
Works for:
Moisturizing
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
salicylic acid
0.35% -
0.8%
Irritation risk:
Works for:
Anti-blemish,
Exfoliation,
Anti-inflammatory,
Antibacterial,
Evens skin tone
Used for skin exfoliation. It has an anti-inflammatory and anti-bacterial effect, helps to unclog pores, prevent blemishes and speed up healing of the existing ones. Sometimes referred to as a BHA (beta-hydroxy acid)
Show more
Comodogenic ingredients
We couldn't find any comodogenic ingredients in this product
All ingredients
propylene glycol
23% -
35%
Irritation risk:
Works for:
Moisturizing
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
niacinamide
5.1% -
7.6%
Irritation risk:
Works for:
Anti-blemish,
Anti-aging,
Evens skin tone,
Moisturizing,
Reduces irritation,
Anti-inflammatory,
Reduces redness,
Antibacterial
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
Show more
Ingredient list view
Propylene glycol, Water, Niacinamide, Azelaic acid, Polysorbate 20, 1,2-hexanediol, Sodium hyaluronate, Salicylic acid, Hinokitiol, Melaleuca alternifolia leaf oil, Retinol, Disodium edta
Sources
- Surfactants and experimental irritant contact dermatitis
- Propylene Glycol
- Skin-sensitizing and irritant properties of propylene glycol
- 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
- Hyaluronic acid: A key molecule in skin aging
- Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin care
- Salicylic acid as a peeling agent: a comprehensive review
- Beta Hydroxy Acids
- A review of toxicity from topical salicylic acid preparations
- Glycolic Acid Peels Versus Salicylic–Mandelic Acid Peels in Active Acne Vulgaris and Post‐Acne Scarring and Hyperpigmentation: A Comparative Study
- Retinoids in the treatment of skin aging: an overview of clinical efficacy and safety
- Improvement of naturally aged skin with vitamin A (retinol)