Peptides

Caprooyl Tetrapeptide-3

INCI: ChroNOline

Reviewed by Kate · Last updated 18 Aug 2026

Also known as: ChroNOline

Synthetically-produced signal peptide

What Is Caprooyl Tetrapeptide-3?

Caprooyl Tetrapeptide-3 is a peptide that is made synthetically. It is a signal peptide that’s said to help to boost the natural production of supportive substances skin needs to look younger and feel firmer.\n\nCaprooyl tetrapeptide-3 is made by Lucas Meyer Cosmetics and sold with the trade name ChroNOline. It is mixed with water, glycerin, and the sugar dextran. In its raw form it is a white, water-soluble crystal.

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