GrandeHAIR Enhancing Serum is made with a nutrient-rich blend of peptides, vitamins & botanical extracts for the appearance of thicker, healthier looking hair in just 8 weeks. Key ingredients include hydrating and nourishing flower extracts, and Vitamin B5 and amino acids to help strengthen and nourish hair. Isopropyl Cloprostenate is a prostaglandin analogue that helps to enhance the appearance of hair, and Procapil™ helps fortify, anchor hair and promote fuller-looking hair over time. In a 16-week study, 97% of users saw improved hair thickness and less hair thinning.