SpaCaviar Nail & Cuticle Treatment dramatically increases natural nail strength and flexibility and stimulates nail growth while conditioning and nourishing cuticles. This vitamin rich treatment can be used on all nail types.SpaCaviar offers hands and nails a luxurious line of products developed to counteract the signs of aging. Used alone or as part of a five step intensive weekly regimen, each individual treatment within the spaCaviar system is rich in caviar extract, amino acids, vitamins and essential oils.