Authority source
Safety basis: CIR
Cosmetic Ingredient Review (CIR) Expert Panel
Peptides
peptidepolypeptide
Moisturizer
Peptides are short chains of amino acids that help build proteins. They can help lock in moisture and support skin health.
What it is
Peptides are short chains of amino acids that help build proteins and support skin health.
Found in
moisturizers, serums, creams, lotions
The concern
No significant concerns identified
Legal status
Generally recognized as safe and effective for cosmetic use by the Cosmetic Ingredient Review (CIR) Expert Panel.
Low Concern
Generally recognized as safe and effective for cosmetic use.
Evidence & sources
Article / explainer
Article / explainer
No highly relevant article explainer found yet.
Community questions
Community questions
Community discussions are not used as safety evidence and no highly relevant discussion is shown for this ingredient.
Related ingredient guides
Compare this ingredient with related ingredients and common alternatives.
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Ceramides
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Panthenol
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Shea Butter
Another moisturizer in the reviewed ingredient set.
Last updated: June 9, 2026