humectant
Proline
Generally safe·Strong evidence
An amino acid abundant in collagen that functions as a humectant to draw moisture into the skin. It is well tolerated in skincare products and assessed as safe for cosmetic use at standard formulation levels.
Products with Proline
- 100MinonAmino Moist Moist Charge Lotion I
- 100TorridenCellmazing Firming Cream
- 100IsntreeHyaluronic Acid Low-pH Cleansing Foam
- 97Paula's ChoiceOmega+ Complex Moisturizer
- 93KosasPlump + Juicy Vegan Collagen Spray-On Serum
- 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.