SP Luxury Oil Keratin Reconstructive Elixir System Professional. Reconstruction and smoothing treatment for all hair types, even fine hair. An excellent treatment that penetrates the hair shaft. struttura inside of the hair to exercise una Transformation from the inside out. Its advanced formula helps protect the keratin within the hair fiber to improve softness and shine. This oil offers long-lasting benefits, promoting a lasting improvement in hair condition. It also improves manageability and protects keratin from mechanical stress. It is enriched with jojoba, argan, and almond oils to improve hair nutrition and hydration.