Kerastase Soleil Masque UV Defense Active Beautify your sun damaged hair with this after sun treatment & replenish your dry hair, specifically in the areas that need it most. Retain hair fibre amd reinforce it's protection to prevent colour loss & radiance. Using a special formulated blend of ingredients your hair left looking & feeling soft & shiny. Directions Of Use: Recommended Hair Bath: Bain Après-Soleil. Apply 1 to 2 walnut sized amounts of Masque UV Défense Active to towel dried hair. Massage in gently mèche by mèche. Rinse thoroughly.