5 in 1 hair serum - This 5-in-1 Hair Treatment Oil from Alvanso promotes hair growth, reduces hair loss, moisturizes, repairs, enhances shine, and protects against damage. It is a premium, organic hair care product combining natural oils and essential nutrients to revitalize and strengthen hair. The lightweight, non-greasy formula is suitable for all hair types and can be used as a hair oil, serum, and scalp treatment. Apply to damp or dry hair, focusing on ends or areas needing nourishment. Leave on for deep conditioning and wash as usual.