eCosmetics is an authorized retailer of Grande CosmeticsFormulated with vitamins, peptides, and amino acids, this hair enhancing serum helps to support hair health for the appearance of healthier, thicker looking hair. See an improved appearance in 8 weeks, with full improvement in 4 months. GrandeHAIR serum is formulated to use on dyed hair and works for both men and women. Size:0.67oz