The Matrix Biolage SmoothProof Shampoo boasts a unique formula designed to soften and smooth the hair, banishing frizz and flyaways! Containing extracts from the Camellia Flower, it works tame out of control hair. Using self-adjusting humidity blocking technology, this innovative shampoo locks out moisture but keeps the hair hydrated, meaning that it eliminates the chance of frizz and unwanted volume. Your hair will feel super sleek and refreshingly clean. Directions for use: Apply to damp hair massage thoroughly and gently. Rinse well. Repeat if necessary.