Silk Protein Leave-In Conditioner by Salerm 21, is a leave-in conditioner and mask. Its excellent moisturising formula, made with silk proteins, penetrates the inside of the hair fibre to improve its condition from its first use. It gives the hair shine, strengthening, flexibility and intense hydration, achieving to repair damaged hair. It is also a perfect ally to protect your hair from external agents such as sun, sea salt and even pool chlorine. The result is immediate hydration of the hair, thus giving you a visible improvement in touch and shine. No rinsing required. How to use: If you want to use hair hydration, apply a hazelnut product on wet hair, insist on the most punished areas. Then comb without rinsing. If you are looking for a mask effect, apply the product to wet hair and leave for 10-15 minutes. Rinse and proceed to styling.