It’s madness. I had bright red hair, dyed it dark to grow out my natural colour and have it blend it, regretted it months later. I happen to be allergic to coconut oil so using it would not do any good. Since hair doesn’t have the ability to digest or metabolize coconut oil … Even if you are living on a tight budget, it will be possible for you to get some high quality coconut oil without having to spend too much on it. Then once your hair is nice and oily, you leave it on for a few hours. Try applying coconut oil about 15 to 30 minutes before you wash, focusing on the midsection and ends of your hair. I am bleaching my hair to a platinum blonde. For me, this was just the roots and ends of about 1/4 of my head. Most say overnight but if you don't want to wake up in a puddle of grease, maybe just apply it in the morning and bleach later on in the day. All you have to do is melt enough organic virgin coconut oil to fully saturate the hair you want to bleach. Applying coconut oil to your hair will not damage the color, however, depending on the color of blonde and the integrity of your hair before applying oil will determine whether or not you may experience some "browning" of the hair. - I had bright red hair, dyed it dark to grow out my natural colour and have it blend it, regretted it months later so a few days ago I decided to bleach All my hair (thinking I will lose half my length to bleach damage) . Coconut oil literally dried the cr*p out of my hair and it took me over a year to figure it out. After washing my hair with my regular shampoo, I rinse it really well with cold water. Now before I let you go, I want to make one thing clear–coconut oil is loaded with tons of rich fatty acids and has many beneficial properties for your health. Conditioner: Like any good conditioner, coconut oil may help strengthen the hair shaft and prevent breakage. So I drenched my hair in coconut oil before, and wow, my hair does not feel damaged at all. Pre-wash protector: When applied pre-shampoo, coconut oil can stop your hair from soaking up too much water (and, in turn, stave off damage and dryness). As you can see, there are many benefits of using coconut oil when you have hair extensions. So a few days ago I decided to bleach all my hair (thinking I will lose half my length to bleach damage). So I drenched my hair in coconut oil before, and wow, my hair does not feel damaged at all. At all ! The good thing about the product is that it has all the benefits above and more, but is also very cheap as well. At all! I know a lot of people for coconut oil on their hair when bleaching to prevent some damage. I carefully detangle my hair and start to distribute the coconut oil gently throughout my hair. Once my hair is well-covered with the product, I put on a shower cap and let it sit for three hours. It's madness . I know it's bad for you and i should go to a professional, but I'm still going to do it my self and I already know the risks.