五胜肽Matrixyl(微膠原蛋白)由5個氨基酸所組成，促進膠原蛋白和纖維母細胞再生，便重建細胞外的基質，提高肌膚的含水量，有效的消除深層皺紋，使肌膚緊實光滑有彈性。
Palmitoyl Pentapeptide-3: these peptides are based on palmitic acid. Amino acids in conjunction with fatty acids are FA's #1 enemy.
Not safe for fungal acne / Pityrosporum (Malassezia) Folliculitis.
But because a tiny amount is needed to be effective (at most 10 ppm), and malassezia doesn't happen with ingredients that are less than 0.01%, this ingredient is safe for people with fungal acne.
棕櫚醯五肽-4，在2006年前稱為“棕櫚醯五肽-3”