Designed to work together, chemically, Young Nails' Acrylic System was created with exact particle blend technology that gives you flawless consistency and superior adhesion. Speed Powder Begins to set in 60 seconds. Core Powder Begins to set in 90 seconds. Cover Powder Begins to set in 75 seconds. Young Nails Acrylic Powder, Nails Acrylic Powder, Jelly Pedicure, Kiara Sky Gel Polish, Gel Lamp, Acrylic Liquid, Nail Drills, Cat Eye Gel Polish, Vegan Nail Polish