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New ingredient explanations with research references and products are added to our database everyday.

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Similar to CosDNA, you can quickly check comedogenicity & irritancy ratings, main functions and good-for-the-skin-rating.

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Unlike on CosDNA, we have detailed, research-referenced ingredient explanations written by a cosmetic formulator & scientist. We are constantly working on adding new descriptions.
What-it-does: moisturizer/humectant

Hydrolyzed Hyaluronic Acid is a low molecular weight, chemically chopped up version of the naturally big molecule and current IT-moisturizer, Hyaluronic Acid (HA). The TL; DR version of HA is that it's a huge polymer (big molecule from repeated subunits) found in the skin that acts as a sponge helping the skin to retain water, making it plump and elastic. As HA is a polymer, the subunits can be repeated many times (as a high-molecular-weight version), or just a few times (as a low-molecular-weight version).

We wrote in detail at HA about how different molecular weight versions do different things both as a component of the skin and as a skincare ingredient, so click here and read about all the details. Hydrolyzed Hyaluronic Acid can also come in different molecular-weight versions with different properties:

See the key ingredients and function breakdown
Key ingredients are highlighted separately and you can easily check ingredients by functions such as sunscreen filters, preservatives or emulsifiers. We automatically tag products that are drying alcohol-free and fragrance- and essential oil free.
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