Black Cristalli Liquidi Serum Black Blue 100ml is a hair serum formulated with linseed oil to nourish and protect hair from environmental factors and chemical treatments. It enhances shine, smooths the cuticle, and improves hair manageability. Key Features: • Nourishment: Linseed oil provides essential nutrients, promoting healthier hair. • Protection: Shields hair from environmental damage and the effects of chemical treatments. • Enhanced Shine: Smooths the hair cuticle, resulting in increased shine and softness. How to Use: 1. Apply a few drops to damp or dry hair. 2. Distribute evenly, focusing on the lengths and ends. 3. Style as desired.