St.Botanica Biotin and Collagen Hair Mask can help promote healthy hair growth and prevent hair damage and split ends. This mask is infused with the goodness of all natural ingredients that can nourish your hair and make them healthier and stronger with every use. They work together to deliver the required combination of nutrients to your hair strands to fight hair loss. It can also improve the overall quality of your hair including texture and thickness. St.Botanica products are Cruelty free and Vegan and do not contain any harmful chemicals: No Parabens, No SLS/SLES, No Mineral Oils, No Phthalates. They are safe for regular use.