Biotin, Collagen Protein Hair Mask for Dry Damaged Thin Fine Hair: This is our biotin hair mask for dry damaged thin fine hair. It’s a professional salon-quality hair treatment deep conditioner, enriched with a unique intensive formula, containing Biotin & Collage, Moroccan Argan oil, Avocado oil and Vitamin E. It is specifically designed to deeply condition, hydrate, strengthen and rejuvenate dry, damaged or dull hair to become soft, smooth & healthy with a rich shiny appearance. At StBotanica Hair Cosmetics, we understand that there are different hair types and each hair type needs its own unique specialized treatment. This is why we developed our biotin hair mask for thin fine & brittle hair - It provides deeply moisturizing & revitalizing delicate hair care treatment, with proven results that does NOT weigh down your fine hair as other hair masks and conditioners do! Argan oil makes sure that you do not lose more hair follicles then the number you grow. Argan stimulates your scalp due to its rich nutrient content to produce more hair. Argan treats your stressed-out locks to a shower spa treatment. The fabled conditioning properties of Moroccan argan oil, combined with natural herbal extracts, protein and Vitamin E give you the confidence boost of another good hair day. Protect your Hair Unlike many styling agents which can cause long term damage to hair due to the many chemicals contained within, Biotin Hair Mask helps to enrich the hair and nourish it with nutrients to repair the damage. Define and Shine Rich in Vitamin-E, Argan oil nourishes hair, repairing split ends and increase hair's shine and overall healthy appearance. Define and Shine Rich in Vitamin-E, Argan oil, Avocado Oil, Shea Butter nourishes hair, repairing split ends and increase hair's shine and overall healthy appearance.