FLUORENYLMETHYLOXYCARBONYL GLUTAMOYL DIPEPTIDE-55 GAMMA TETRAPEPTIDE-58 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

FLUORENYLMETHYLOXYCARBONYL GLUTAMOYL DIPEPTIDE-55 GAMMA TETRAPEPTIDE-58

Safety grade: A

This is a lab-created peptide blend designed to help firm and smooth skin by supporting its natural structure. It works by signaling skin cells to maintain elasticity and may help reduce the appearance of fine lines when used regularly in skincare products.

Graded using: COSING.

Last verified: June 9, 2026