Question: how to use hydrogen peroxide to whiten nails?
Answer: In a plastic bowl, mix together 1 Tbsp of 3% hydrogen peroxide with 2 1/2 Tbsp of baking soda. Use a cotton swab to apply the paste to the nails, and let sit for 3 minutes. Rinse with clean water and pat dry. Repeat a every 6-8 weeks for best results.