Ingredient
Hyaluronic Acid
No known concerns Strong evidence Humectant
Humectant
Naturally occurring polysaccharide. CIR safe-as-used. Binds water in the upper layers of the stratum corneum.
On the plus side
Powerful humectant — hydrates by drawing water into the upper skin layers. Suitable for all skin types.
Sources
GlowOS describes what regulatory bodies and published research say about an ingredient — it does not tell you what to use or avoid, and none of this is medical advice. Concentration, formulation, and your own skin all matter. For skin conditions, see a dermatologist.
GlowOS scores every product on your shelf from its full ingredient list — learn more.