These steps include: Add tones back to hair: The reason bleach is so effective at lightening your hair color is that it dissolves the pigments. Before you want to attempt putting any dye over your hair, you must add the tones back to your hair with a filler. Fillers work to add some yellow and orangey tones to your hair. Another option is to do a test strand before you bleach your entire head. This way, you can get an idea of how your mane handles bleach and how long it takes to lighten without experimenting on your whole head. Apply bleach to a few hidden strands from the underneath layer of your hair and time how long it takes to lighten. Photo Credit: Alanna Pour some peroxide on a cotton ball. Smooth it over vertical sections of hair that are about 1⁄4 inch (6.4 mm) thick. Start at the roots and stroke down to the tips with the cotton ball. Wrap each hair section in a piece of tin foil to keep the peroxide from getting onto the rest of your hair. 1. Pat wet hair with a microfiber towel after showering to prevent breakage. A microfiber towel helps prevent further breakage and damage to your already-sensitive bleached hair. After you shower, gently squeeze and pat your hair with the towel to absorb excess water. Add a green shampoo and conditioner to your hair care routine to see the magic of this combo. After one use, you’ll notice strands appear more golden brown or deep brunette, depending on the undertones of your red color. While it may not completely remove the red color, it can lessen the hues so it’s not as vibrant. . Use the brush to evenly apply developer to every section you want to lighten. Aim for saturation of each section, but make sure you’re not leaving a ton of excess developer on your hair. Cover your hair with a shower cap once you’re done applying. Set a timer for 20 minutes. Check your hair to see how it’s progressing. 2. Start the Bleaching Process. A general breakdown of how bleaching your hair works is as follows: First, you’ll mix together bleach and developer, then you’ll brush the mixture onto your hair, being careful not to get it on your skin or clothes (we recommend wearing something no longer in your outfit circulation). 3. You can leave 30 volumes of bleach in your hair for up to 20 minutes, but it is important to watch it so that it does not over-bleach your hair. What happens the longer you leave bleach in your hair? The longer you leave bleach in your hair, the lighter it will become. If you leave it in for too long, it can over-bleach your hair and cause damage. Bleaching your hair involves using strong chemicals to strip your hair’s natural pigments, leaving it lighter or completely colourless. The process disrupts your hair's structure, as it breaks down the protective outer layer and reduces moisture levels. This can lead to dryness, brittleness, and increased porosity, making hair more 1. Permanent Hair Dye. Lasts About 6-12 Weeks: As mentioned by experts like Wella Professionals, permanent hair dye typically keeps your hair looking lush and vibrant for about 6 to 12 weeks . This depends on how often you wash your hair, your natural hair texture, and even your lifestyle.

how long does it take for hair to bleach