Keys Soulcare Promise Serum with Niacinamide
Something wrong? Edit here- Anti-aging
- Moisturizing
- Evens skin tone
- +2 more
- niacinamide
- 3-o-ethyl ascorbic acid
- camellia sinensis leaf
- +4 more
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Formula review
WIMJ summary
This product might be able to help reduce blemishes and clogged pores because it contains niacinamide.
The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually works: zinc pca
Ingredient | Effectiveness | Concentration | Irritancy |
---|---|---|---|
HIGH | |||
MEDIUM
| |||
LOW
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Promise
What does the product description say?WIMJ summary
This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains niacinamide.
Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.
Ingredient | Effectiveness | Concentration | Irritancy |
---|---|---|---|
HIGH | |||
LOW
| |||
LOW
|
WIMJ summary
This product can help reduce hypepigmentation and even out the skin tone because it contains the following effective ingredients: niacinamide
The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually can help even out the skin tone: 3-o-ethyl ascorbic acid.
Keep in mind that you would need to apply any topical skincare targetted at hypigmentation consistently for a couple of months to get a result. No topical skincare product can help get rid of hyperpigmentation (including post-acne marks and age spots) instantly.
Ingredient | Effectiveness | Concentration | Irritancy |
---|---|---|---|
HIGH | |||
MEDIUM
| |||
LOW
|
Promise
What does the product description say?WIMJ summary
This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": erythritol, glycerin.
When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. If the air is dry, humectants can speed up the moisture loss from the skin. This is why it is a good idea to use another product on top of this one to help "seal in" the moisture (look for ingredients like dimethicone, squalane, oils and butters).
The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: niacinamide
Ingredient | Effectiveness | Concentration | Irritancy |
---|---|---|---|
HIGH | |||
HIGH | |||
HIGH |
WIMJ summary
This product contains antioxidants (3-o-ethyl ascorbic acid, camellia sinensis leaf) that might be able to help neutralize free radicals in skin to lessen the damage it gets from the UV light (sun). There is not enough evidence to confirm their effectiveness in skin though.
Ingredient | Effectiveness | Concentration | Irritancy |
---|---|---|---|
MEDIUM
| |||
MEDIUM
| |||
LOW
|
Potential irritants

Ingredient | Irritancy | Skin Benefit |
---|---|---|
propylene glycol | ||
3-o-ethyl ascorbic acid | ||
tocopheryl acetate |
Ingredients by volume
Ingredient | Estimated concentration |
---|---|
Plain old water
| 40% - 60% |
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
| 5.4% - 8.1% |
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
| 3.6% - 5.3% |
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Questions
Skincare resources
Scientific Sources
- 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
- Glycerol and the skin: holistic approach to its origin and functions
- Surfactants and experimental irritant contact dermatitis
- Propylene Glycol
- Skin-sensitizing and irritant properties of propylene glycol
- Zinc L-pyrrolidone carboxylate inhibits the UVA-induced production of matrix metalloproteinase-1 by in vitro cultured skin fibroblasts, whereas it enhances their collagen synthesis
- Zinc Therapy in Dermatology: A Review
- Carboxymethylation of polysaccharides from Tremella fuciformis for antioxidant and moisture-preserving activities
- Antioxidant Ability and Stability Studies of 3-O-Ethyl Ascorbic Acid, a Cosmetic Tyrosinase Inhibitor
- Safety Evaluation of Polyethylene Glycol (PEG) Compounds for Cosmetic Use