uv gel nail ...easy and safety - how to application...?

The thickness of the gel layer has a profound effect on cure rate. It is far better to use three or four coats rather than one or two thick coats. thin coat allow much light can penetrate the layer, thus reducing shrinkage. Shrinking is normal, but above 12% causing many problems, such as lifting, cracking and other types of service interruption. Gel shrinking product increased to 20%. Clients