Cor Wrinkle Serum 30ml This wrinkle serum from Cor is commonly used by plastic surgeons to reverse sun damage & scarring. Copper Tri-Peptide has been well documented to improve the healing of various types of skin lesions such as scarring lesion sun & acne damage breaking down the abnormally large cross linked collagen & at the same time stimulating the production of regular collagen found in normal skin. In other words copper tri-peptides can help restore the damaged area to its original look.