Boots Lavender Nourishing Hair Treatment Mask 500ml. We’ve for formulated our vegan hair treatment mask to treat your hair. Specially formulated for dry & damaged hair with Pro-Vitamin B5. Hair looks repaired. Making it smooth, nourished, managable and soft to touch. Directions: Apply Boots Lavender Nourishing Hair Treatment Mask to hair and massage gently. Leave on for 1-2 minutes and rinse well. For better results, use with Boots Lavender Moisturising Shampoo.