Instantly unifies the surface. For ridged nails, with imperfections. 7Free Contains a high concentration of minerals that fill in stretch marks and small imperfections. Its regular use strengthens and hydrates the nails, fighting the causes that cause stretch marks. Contains vitamins E and C with moisturizing and anti-oxidant properties. Incorporates UV filter to prevent discoloration and yellowing. 7 Free: Formula without toluene, DBP, formaldehyde, formaldehyde resin, camphor, parabens and xylene. Use You can apply it as a base before the nail polish to facilitate the application and improve the result or use it as a natural tone nail polish.