Qinci

Anti-aging · Serum

Tetrapeptide-21

Also listed as: tetrapeptide 21

Matrikine-style peptide promoted for collagen support.

Retinoids and peptides nudge the skin to firm up and soften the look of fine lines with regular use.

  • Targets: fine lines, texture

Pairs well with

More anti-aging actives

Other serum ingredients

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Guidance based on ingredient data, not medical advice.