PRODUCT REVIEW
Cos De BAHA S4 Salicylic Acid BHA 4% Serum
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Product summary
What can the product work for?
Works for
Does not work for
Anti-blemish
What does the product description say?
Enriched with salicylic acid and aloe barbadensis leaf extract, this serum offers antibacterial effects to prevent the formation of pimples and reduce redness and irritation.
niacinamide
2.5% -
3.8%
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
Irritation risk:
Concentration: Effectiveness: HIGH
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)
camellia sinensis leaf extract
0.85% -
1.25%
Irritation risk:
Concentration: Effectiveness:
LOW
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
Evens skin tone
What does the product description say?
It also offers moisture, removes blackheads, reduces the appearance of hyperpigmentation, improves skin elasticity and protects skin against sun damage.
niacinamide
2.5% -
3.8%
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
Irritation risk:
Concentration: Effectiveness:
LOW
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)
camellia sinensis leaf extract
0.85% -
1.25%
Irritation risk:
Concentration: Effectiveness:
LOW
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
Anti-aging
niacinamide
2.5% -
3.8%
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
camellia sinensis leaf extract
0.85% -
1.25%
Irritation risk:
Concentration: Effectiveness:
LOW
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
Exfoliation
Irritation risk:
Concentration: Effectiveness: HIGH
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)
Anti-oxidation
camellia sinensis leaf extract
0.85% -
1.25%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
artemisia vulgaris extract
0.15% -
0.65%
Irritation risk:
Concentration: Effectiveness:
LOW
A plant extract that might have some anti-inflammatory and anti-oxidant properties. It can be irritating
Moisturizing
What does the product description say?
It also offers moisture, removes blackheads, reduces the appearance of hyperpigmentation, improves skin elasticity and protects skin against sun damage.
niacinamide
2.5% -
3.8%
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
aloe barbadensis leaf extract
23% -
35%
Irritation risk:
Concentration: Effectiveness:
LOW
Traditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin
camellia sinensis leaf extract
0.85% -
1.25%
Irritation risk:
Concentration: Effectiveness:
LOW
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
Honesty check
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Evens skin tone | |
| Anti-blemish | |
| Moisturizing |
Total Promises Fulfilled score:
66/100.
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Can it cause trouble?
- Overall product irritation risk
- Acne & comedogenic risk ingredients: 0
Potential irritants
cocamidopropyl dimethylamine
8.1% -
12.2%
Irritation risk:
Works for:
Cleansing
Helps oil and water mix together. Can work as a cleansing agent. Can be irritating
Irritation risk:
Works for:
Exfoliation,
Anti-inflammatory,
Anti-blemish,
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)
Similar products & dupes
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| Price | ||||||||||||
| WIMJ similarity score |
67%
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92%
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90%
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89%
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89%
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89%
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88%
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86%
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86%
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85%
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84%
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| Key ingredients |
| Common: Other:
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Other: | Common: Other: | Common: Other: | Common: Other: | Common:
Other:
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Other: | Common: Other: | Common: Other: |
| Irritancy | IRRITANCY
HIGH
| IRRITANCY
MEDIUM
| IRRITANCY
LOW
| IRRITANCY
LOW
| IRRITANCY
HIGH
| IRRITANCY
LOW
| IRRITANCY
LOW
| IRRITANCY
HIGH
| IRRITANCY
HIGH
| IRRITANCY
HIGH
| IRRITANCY
HIGH
| IRRITANCY
HIGH
|
| Potential Irritants |
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Ingredients & concentrations
All ingredients
Key Actives
niacinamide
2.5% -
3.8%
Irritation risk:
Works for:
Anti-aging,
Evens skin tone,
Anti-blemish,
Moisturizing,
Reduces irritation,
Reduces redness,
Anti-inflammatory,
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
camellia sinensis leaf extract
0.85% -
1.25%
Irritation risk:
Works for:
Antibacterial,
Anti-oxidation,
Anti-aging,
Anti-blemish,
Moisturizing,
Evens skin tone
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
Show more
Potential irritants
cocamidopropyl dimethylamine
8.1% -
12.2%
Irritation risk:
Works for:
Cleansing
Helps oil and water mix together. Can work as a cleansing agent. Can be irritating
Irritation risk:
Works for:
Exfoliation,
Anti-inflammatory,
Anti-blemish,
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
aloe barbadensis leaf extract
23% -
35%
Irritation risk:
Works for:
Moisturizing
Traditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin
cocamidopropyl dimethylamine
8.1% -
12.2%
Irritation risk:
Works for:
Cleansing
Helps oil and water mix together. Can work as a cleansing agent. Can be irritating
Irritation risk:
Works for:
Exfoliation,
Anti-inflammatory,
Anti-blemish,
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
Ingredient list view
Aloe barbadensis leaf extract, Cocamidopropyl dimethylamine, Salicylic acid, 1,2-hexanediol, Propanediol, Niacinamide, Rosa damascena extract, Lavandula angustifolia flower extract, Camellia sinensis leaf extract, Melissa officinalis leaf extract, Artemisia vulgaris extract, Hydroxyethylcellulose
Sources
- Occupational contact allergy to cocamidopropyl betaine and its impurities
- 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
- The influence of alkane chain length on the skin irritation potential of 1,2-alkanediols
- 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
- Evaluation of Skin Irritation and Acute and Subacute Oral Toxicity of Lavandula angustifolia Essential Oils in Rabbit and Mice