Foundation Flex is used as a base coat with Gelish adhesion you trust. Use it to give perfect volume to uneven nails, to camouflage discolored nails or as a ridge filler for gel polish. All this is possible because Foundation Flex cures while maintaining product flexibility.
Made in the U.S. and 10-FREE, Foundation Flex is a vegan, cruelty-free product enriched with vitamin A and biotin and contains a photo-reactive organic binder.
Foundation Flex is available in four beautiful, natural-looking shades.