essie gel couture is a 2-step system that combines color and top coat. It is an alternative at-home gel color system that stretches the limit of long lasting nail polish for up to 15 days of gel-like wear.* Now formulated with new flex.e gel technology to resist chipping and new triple shine benefits for glass-like shine. perfect posture is a periwinkle powder blue extreme longwear nail polish with iris undertones.gel couture product benefits:- Instant glass-like shine- A plumped, smooth surface to maximize light reflection & shine- A durable barrier to protect shine- Exclusive formula: flex.e gel technology that bonds and moves with you nails to resist chipping- Vegan formula - no animal-derived ingredients.*Self assessment, n=120, application on essie high shine gel couture top coat again on day 7Use:Get a gel manicure at home in just 2 easy steps: 1) Apply 2 coats of gel couture extreme long-lasting nail polish.2) Apply 1 coat of gel couture top coat for a smooth, even surface and a durable barrier to protect and prolong color. No UV lamp needed. Removes like regular polish. Easy, gentle removal with acetone or non-acetone nail polish remover. No harsh scrapping or soaking. Essie Gel Couture Nail Polish 450 Perfect Posture