Is Matrixyl vegan?

Pentapeptide-4 is also known as Matrixyl.

Pentapeptide-4 is a synthetic peptide composed of lysine, serine and threonine residues, used in cosmetics, often as its palmitoylated derivative (Palmitoyl Pentapeptide-4, trade name Matrixyl), for anti-wrinkle skincare purposes.

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