Hydrogen peroxide has long been used to treat minor cuts and scrapes. However, because it irritates the skin it is not recommended for first aid use anymore.[1] Still, there are many other household uses for hydrogen peroxide. Find 3% household hydrogen peroxide at your local pharmacy and add this inexpensive, non toxic chemical to your health and beauty routine. You can also use it for cleaning, disinfecting, or stain removal. Method 1 - Incorporating It into Your Health and Beauty Routine 1 → Soak a cotton ball with peroxide and use it to whiten your nails. Hydrogen peroxide gently whiten your nails. Soak a cotton ball in 3% hydrogen peroxide. Rub it on your nails and let it air dry. You can repeat the application every few weeks as needed. 2 → Fight a cold by putting a few drops of hydrogen peroxide in your ears. It might sound a bit strange, but hydrogen peroxide may help you fight a cold. Put a few drops of 3% hydrogen peroxide into each ear. Wait about 5 or 10 minute...