Densifying Hair Serum. Features: Safe for color treated hair, and suitable for all hair types.. Key Ingredients: Aloe Vera: Balances scalp pH levels. Multi-Peptide Blends: Activate hair follicles. Ceramides: Calm scalp itchiness/dryness. Biotin: Strengthens and moisturizes. Caffeine: Supports follicle circulation. Rosemary Extract: Prevents hair breakage. Baicapil: Increases hair density while reducing hair loss. Redensyl: Supports a healthy scalp. Vegan Keratin: Protects against hair breakage. Calendula Extract: Soothes and hydrates scalp. Hydrating Oils: Olive Oil, Castor Oil, Argan Oil. :