Ouidad Vitalcurl Plus Leave In Styling Serum is a lightweight serum designed to hydrate and define curls. This multi-purpose formula strengthens and balances hair and scalp, acting as an overnight treatment for improved hair health. Infused with niacinamide, biotin, and peptides, it moisturizes without silicones, parabens, or sulfates, offering a vegan, cruelty-free solution for textured hair.