Ingredient

Nonapeptide-1

Low risk

FunctionPeptide

What it is — Nonapeptide-1 (INCI: Nonapeptide-1) is a synthetic peptide used for its conditioning, brightening-oriented character.

What it does — It is commonly used to condition the skin and support a more even, radiant-looking tone, working at low levels within a wider formula.

Typical use — Found in brightening serums, essences and creams, often alongside other peptides and radiance ingredients.

Who it suits / good to know — Broadly suitable for tone-focused routines; effects are cosmetic and gradual, and it pairs well with antioxidants and humectants.

Safety — DHALIORA grades it low risk in its EWG-style, ingredient-by-ingredient review, reflecting a peptide with no known irritation concerns at typical use levels. This is general information, not medical advice.

Why we grade it Low: Peptide ingredient with no known irritation concerns at typical use levels.
Cross-reference

Found in these DHALIORA products

Found in 0 DHALIORA products

Not currently in any DHALIORA product.

How grades are set — Risk reflects our own reading of publicly available safety data, an EWG-style reading shown at the worst-case grade we've assigned this ingredient across products. It isn't a third party's proprietary score, and it isn't medical advice. Always read the packaging and patch-test where indicated.
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