3 : Cures for 30 seconds in the 18G LED light.
5oz LED Brush On STRUCTURE GELCLEAR- Brush-On Formula 1 : A thicker viscosity gel designed to improve damaged uneven or troubled nail plates.Harmony Gelish UV Structure Gel CLEAR in the bottle 0.5oz LED Brush On No Clear LED 5-45 light cure time 45 seconds. Harmony Gelish UV Structure Gel CLEAR in the bottle 0.