Witchcraft Protein Hardener

A Witchcraft PROTEIN HARDENER treatment is enriched with proteins to encourage healthy nail growth. It reacts with the natural protein in your nails to create chemical bonds that tie the protein chains together to make nails harder. Infused with biotin, iron and zinc to accelerate skin cell renewal and strengthen nails. Contains formaldehyde which may cause skin sensitivity. Nail hardener are a popular polish treatment that helps to strengthen flimsy nails. Nail hardeners contain a key ingredient, ethyl acetate, to bond other agents together. A nail hardener may contain calcium for soft or weak nails and nail conditioners for brittle nails, which add a balance of structure in the nail plate surface.