eCosmetics is an authorized retailer of Perfect Formula Perfect Formula's Manicure Booster is a 2-in-1 base and top coat that primes and seals your nails to extend the wear of your nail polish. This Manicure Booster creates a thick, protein-rich coating over natural nails that nail polish can effectively adhere to; then seals the polish to prevent wear and chipping with a superior shield. Clinically proven to give a longer lasting high gloss manicure. An added plus - this Keratin infused formula also helps strengthen nails. The ultimate Mani-Saver!