It seems that everyone is not very thorough understanding of the nail itself, not only will the nails not because harm, but also play a proper protective role. In fact, the decorative nails include various ornaments, decals, etc., and the point of the nail polishes such techniques as drawing and sketching, and the rubbing of nail polish have strict operating procedures.
Any need to apply nail polish in the early stage requires cleaning, applying nutrient oil and softener to exfoliate, and then applying the base oil. These programs will help nail protection and will not cause harm.