- Repair dry, damaged hair with the Lavender Mint Deep Conditioning Mineral Hair Mask. Used one to two times a week, this intensive hair care treatment moisturizes and strengthens strands. Essential minerals derived from French clay nourish hair and lock in moisture for beautiful results. Includes 1 packette that contains 0.68 fl.oz. Helps strengthen and hydrate moisture-starved hair. French clay deep conditions with restorative minerals. Calms the senses with the fragrance of lavender, mint and tea tree oil. Apply to damp, towel-dried hair. Rinse after 5-15 minutes. For deeper conditioning, wrap hair in a warm towel or apply heat. For best results, use 1-2 times weekly.