How OPI ProSpa Nail & Cuticle Oil works: Fast-absorbing formula conditions cuticles. Cupuau Butter helps restore moisture balance, Avocado Lipid Complex helps provide essential moisture, White Tea extract helps fight free radicals, rich yet lightweight grape seed, kukui & sunflower oils provide the ultimate in moisture. An absolute beauty essential for your nail care kit. Should be used with every manicure and pedicure regime to ensure healthy nails and cuticles. Strong, beautiful, healthy nails are everyones dream - a dream that can become reality with the complete range of OPI Nail Treatments, endorsed by salons worldwide every day. The ProSpa range is formulated with Cupuacu superfruit containing 9 essential fatty acids providing unparalleled moisture and anti-ageing effects.