What does the product description say? Revitalize tired and dull skin with this lightweight oil-free serum enriched with Vitamin B5 to soothe and hyaluronic acid to moisturize skin. Source: Yesstyle

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This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants":hyaluronic acid.

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).

Ingredient Effectiveness Concentration Irritancy
calcium pantothenate HIGH

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Ingredient Irritancy Skin Benefit
benzyl alcohol
dehydroacetic acid

7.8% - 11.6%
Helps support skin barrier function improving skin hydration and reducing sensitivity

3.3% - 5%
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin"s barrier function and may help to reduce inflammation