SOLUTION
- if your nail polish has thickened to the extent that its getting difficult to spread over and it leaves a rough texture on the nails then the tip is to just dip your nail polish bottle into a cup of warm water for half an hour and.... TADAAAA the magic just happened your nail polish is back to normal .
- If your nail polish has dried a little more then a thickened state then just add a few drops of Thinner into your bottle and shake it well it will be back to normal .
TIP :always bye small bottles of nail polish having little quantity in side them in this way you will use them up before they have a chance to get dried .