Protect your polish with the Botanical Base Coat from OPI Nature Strong, our first plant-based, natural-origin, and 9-Free nail polish nail lacquer.This multi-benefit Botanical Base Coat can be worn alone or as a part of Nature Strong system. This natural origin base coat is boosted with gentle skincare ingredients for healthy and smooth looking nails. OPI Nature Strong is OPI's first natural origin nail polish, which lasts up to seven days of wear and shine. Use your natural origin base coat with Nature Strong natural origin nail polish and Nature Strong Top Coat for a complete Nature Strong system