Olaplex No 0.5 Scalp Longevity Treatment is a scientifically designed serum that balances, strengthens, and defends your scalp against signs of aging. This lightweight formula provides instant hydration, soothing and nourishing the scalp for healthy and shiny hair. With approval from trichologists and dermatologists, this treatment is clinically proven to repair and fortify the scalp barrier, preventing rapid scalp aging. Ideal for all hair and scalp types. Lavender and Tazman Pepper Extract protects against free radicals Biome Pro-Balancing Blend maintains scalp microbiome balance Scalp Barrier-Building Complex strengthens the scalp barrier Olaplex Bond Building Technology re-links disulfide bonds Essential Fatty Acids and Ceramides hydrates the scalp Who is it for? All hair types What Does it do? Hydrates and soothes the scalp Strengthens and protects scalp barrier Promotes soft, shiny, healthy hair Protects from accelerated scalp aging Suitable for all scalp types How-To Part hair with needle nose applicator Squeeze gently and apply directly to the scalp Continue for as many sections as needed. Our Pros suggest 3-4 sections on the crown and back of head Massage thoroughly into the scalp to ensure proper absorption Use before styling wet hair or as an overnight treatment when hair is dry For best results, use three times a week Gentle enough for daily use