Color, top coat and is cured in a UV light so there is zero dry time. The colors are hypo-allergenic, and “3-Free”. No formaldehyde, toluene or DBP. Shellac offers a range of shades from pretty French pinks and whites to siren red and rich darks. The formula is thin and flexible like polish, so it not only looks natural. It provides strong natural nail protection with a resilient mirror finish that resists dullness and chipping, even during the most rigorous activities. Add Shellac to any hand or foot treatment.