"A lot of people think that making perfect nails will make the nails thinner. Maybe they don't quite understand why they have to polish the surface of the nails before applying the gel polish. Can they just skip that step but apply the polish directly? Actually, the nail tech needs to polish it properly. Because there are some uneven and oily lines on the surface, polishing it is for improving the adhesion of the nail polish, so polish won’t be fell off easily." So will nail art make your nails thinner?