It turns out that hydrogen peroxide is safe to use on most dyes and fabrics, as long as the dye is colorfast. It’s mild bleaching properties work well for making whites whiter and colors brighter. This makes it an effective substitute for chlorine bleach. Hydrogen peroxide is an oxygen-based, non-chlorine bleach.

Is hydrogen peroxide safe on colored clothes?

Colored clothes can become dull from body soil and detergent residue trapped in the fibers. You can brighten them with the mild bleaching action of hydrogen peroxide. But remember, never pour full-strength hydrogen peroxide directly onto colored fabrics unless you have tested them first for colorfastness.

How long does it take for hydrogen peroxide to bleach clothes?

How to Whiten Clothes with Hydrogen Peroxide and Baking Soda. Make a paste of equal parts hydrogen peroxide, baking soda, and water. Cover the affected areas with a ¼” layer and allow it to sit for 30-60 minutes. Gently remove excess residue with a soft brush and throw the item in the washing machine.