Supreme Vegan Collagen-Containing Hair Tonic 300 ml - Supports New Hair Formation - While providing effective care for your scalp with its intensive nourishing formula containing Anti-Loss Collagen-ceramide-niacinamide and prebiotic and panthenol, it strengthens the scalp and hair strands with keratin-biotin and caffeine, keeping your hair healthy. It supports elongation. Usage: Pour a sufficient amount of product onto the scalp and massage to ensure it penetrates into the scalp. Does not require rinsing.