humectant
Threonine
Generally safe·Strong evidence
An essential amino acid that is a component of the skin barrier and natural moisturizing factor, used in cosmetics to improve hydration. It is well tolerated and assessed as safe for topical application.
Products with Threonine
- 100MinonAmino Moist Moist Charge Lotion I
- 100TorridenCellmazing Firming Cream
- 100IsntreeHyaluronic Acid Low-pH Cleansing Foam
- 97Paula's ChoiceOmega+ Complex Moisturizer
- 88SkinfoodBlack Sugar Perfect Cleansing Oil
- 86MinonAmino Moist Gentle Wash Whip Foaming Cleanser
- 85Drunk ElephantProtini Powerpeptide Resurfacing Serum
- 84TrulyHydra-Restore Body Lotion
- 78DiviScalp Serum
- 71FilorgaHydra-hyal Serum
References
Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.