PRODUCT REVIEW
Today's Cosme Vitacos 20 Serum
Can it cause trouble?
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Product summary
What can the product work for?
Works for
Moisturizing
What does the product description say?
Brand from Japan Today's Cosme. VITACOS20 Serum contains 2 types of Vitamin C moisturizing and quick-acting.
sodium hyaluronate
0.5% -
1.15%
Irritation risk:
Concentration: Effectiveness: HIGH
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
glycerin
2.9% -
4.3%
Irritation risk:
Concentration: Effectiveness: HIGH
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
hydrolyzed collagen
1.4% -
2%
Irritation risk:
Concentration: Effectiveness: HIGH
A typically plant-derived compound that is supposed mimic human collagen. Cannot penetrate the skin barrier so is not particularly useful in skincare products beyond attracting water to the upper layer of the skin
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Evens skin tone
3-o-ethyl ascorbic acid
1.6% -
2.4%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products
ascorbic acid
2.4% -
3.6%
Irritation risk:
Concentration: Insufficient!
The most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging
Anti-oxidation
3-o-ethyl ascorbic acid
1.6% -
2.4%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products
ascorbic acid
2.4% -
3.6%
Irritation risk:
Concentration: Insufficient!
The most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging
Honesty check
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Moisturizing |
Total Promises Fulfilled score:
75/100.
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Can it cause trouble?
- Overall product irritation risk
- Acne & comedogenic risk ingredients: 0
Potential irritants
ascorbic acid
2.4% -
3.6%
Irritation risk:
Works for:
Anti-oxidation,
Evens skin tone,
Anti-aging
The most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging
3-o-ethyl ascorbic acid
1.6% -
2.4%
Irritation risk:
Works for:
Anti-oxidation,
Evens skin tone,
Anti-aging
A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products
Show more
Comodogenic ingredients
No comodogenic ingredients detected
User reviews (0)
Similar products & dupes
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| WIMJ similarity score |
79%
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90%
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82%
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81%
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| Irritancy | IRRITANCY
LOW
| IRRITANCY
MEDIUM
| IRRITANCY
LOW
| IRRITANCY
LOW
| IRRITANCY
LOW
| IRRITANCY
LOW
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MEDIUM
| IRRITANCY
MEDIUM
| IRRITANCY
LOW
| IRRITANCY
LOW
| IRRITANCY
LOW
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LOW
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Ingredients & concentrations
All ingredients
Key Actives
ascorbic acid
2.4% -
3.6%
Irritation risk:
Works for:
Anti-oxidation,
Evens skin tone,
Anti-aging
The most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging
3-o-ethyl ascorbic acid
1.6% -
2.4%
Irritation risk:
Works for:
Anti-oxidation,
Evens skin tone,
Anti-aging
A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products
Show more
Potential irritants
ascorbic acid
2.4% -
3.6%
Irritation risk:
Works for:
Anti-oxidation,
Evens skin tone,
Anti-aging
The most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging
3-o-ethyl ascorbic acid
1.6% -
2.4%
Irritation risk:
Works for:
Anti-oxidation,
Evens skin tone,
Anti-aging
A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products
Show more
Comodogenic ingredients
We couldn't find any comodogenic ingredients in this product
All ingredients
butylene glycol
5.2% -
7.8%
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
glycerin
2.9% -
4.3%
Irritation risk:
Works for:
Moisturizing
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
Show more
Ingredient list view
Water, Butylene glycol, Glycerin, Unknown, Ascorbic acid, 3-o-ethyl ascorbic acid, Hydrolyzed collagen, Sodium hyaluronate, Ethylhexylglycerin, Sodium citrate, Citric acid, Polyacrylate crosspolymer-6, 1,2-hexanediol