To thin thickened nail polish effectively, follow these expert-recommended methods:

Best Methods to Thin Nail Polish

• Use a Nail Polish Thinner:
  This is the most reliable and recommended method. Add 2-3 drops of a commercial nail polish thinner directly into the polish bottle using an eyedropper. Screw the cap on tightly and gently roll the bottle between your palms to mix. Test the consistency and add more drops if needed, but avoid over-thinning as it can ruin the polish's finish

• Warm or Hot Water Bath:
  If the polish is only slightly thickened, place the closed bottle in warm (not boiling) water for about 2 minutes. This heats the polish, temporarily thinning it. After removing, let it cool, then roll the bottle between your palms to mix. Avoid shaking to prevent air bubbles that cause chipping

• Acetone or Nail Polish Remover (Last Resort):
  Adding a very small amount (1-2 drops) of pure acetone or nail polish remover can thin polish temporarily. However, this can break down the polish formula over time, making it less durable and potentially dull or bumpy. Use this method sparingly and only if you have no thinner available

Important Tips

• Never use water alone to thin polish, as it does not mix with nail polish and can ruin it

• Avoid shaking the bottle after adding thinner; instead, roll it gently to mix without introducing bubbles

• Keep polish bottles tightly closed and store them in a cool, dark place to prevent thickening

• Nail polish thinner is specially formulated to restore polish without damaging it, unlike acetone or remover which can degrade the formula

By following these steps, you can revive thick nail polish and extend its usability without compromising the quality of your manicure.