Serie Expert Inforcer Masque - a rich, powerful treatment specifically developed for weak and fragile locks.Utilizing a strengthening blend of Vitamin B6 and Biotin, the creamy hair mask envelopes hair with moisture and nutrients, seeking to impart a soft texture and minimize the appearance of split ends. Perfect for long hair in need of a boost, it improves manageability, resilience and lustre for healthier-looking locks.