Which peptides are most commonly used in private label face mists?

The most widely used cosmetic peptides in face mist formulations include Palmitoyl Tripeptide-1 and Palmitoyl Tetrapeptide-7 (MatrixylTM 3000), Acetyl Hexapeptide-3 (Argireline), and Copper Peptide GHK-Cu. Use levels typically range from 0.5% to 5%. Your cosmetic chemist should confirm stability and compatibility with your chosen preservative and pH system.