How to lighten your hair by How to lighten your hairAll you need is two ingredients.1. Baking Soda 2. Any Dandruff shampoo Put both ingredients into a bowl and mix until the baking soda is completely blended into the dandruff shampoo. Apply into hair and put a shower cap on. People usually keep it in for at least 30 minutes, but the longer it stays in the better the results.When done just wash all of it out and condition hair.