Give a soothing boost to your hair with this ultra-nourishing Keratin Smooth Mask by Tresemme. Enriched with Keratin and Marula oil, it gives you 72 hours of frizz control and five smoothing benefits in one system, for hair that’s silky smooth but still full of natural movement. It fights frizz, detangles knots, boosts shine while adding softness and taming flyaways. Ideal to seal strands to fight against humidity, the hair mask allows you to enjoy a great look with minimal efforts. Size: 300ml. Usage: Apply a generous amount after Keratin Smooth Shampoo focusing on ends. Leave on for 3 to 5 minutes then rinse thoroughly.