Thicker, Stronger Nails Instantly. Builds layers of protection. Stops peeling & breaking. Conditions & hydrates. For thin, peeling nails. No formaldehyde, toulene & DBP Problem Nails that peel, split and break because they are thin and weak. Solution Nutra Nail Thickener with Green Tea What it does Nutra Nail Thickener glides on to create a clear bond that thickens your nails for maximum breakage resistance. It has molecules that actually fuse with your nails surface to create layers of protection and smooth out ridge.