50ml. Restores scalp's natural balance. Reduces redness, itchiness, and flakiness caused by a dry scalp. Soothes and strengthens. Prevents split ends. Protects against heat, pollution, and UV stress. Hydrates. 100% vegan. CONTAINS: ,Japanese Camellia,Algae,Lavender,Pro-Vitamin B5,Sunflower Sprouts ,Tara Extract ,Cationic Hyaluronic Acid,Purslane Extract . HOW TO USE: ,Apply the serum directly to wet or dry scalp and to hair tips using the pipette. Massage gently. Do not rinse.