Coloring your hair is very popular these days, no longer is it just to cover grey, people use it as a statement of their own individuality.. And it's no longer just natural browns and black's people are going for they are experimenting with all sorts of colors, pink blues and purples. There are many ways in which your can color your hair, some permanent and some temporary. One of the most common ways especially for young people is peroxide which bleaches or removes all the color from your hair. There are also permanent hair coloring products that dye your hair another colour (not blond). These work by using an oxidising agent (hydrogen peroxide) and an alkalizing ingredient (ammonia) to lift the cuticle of the hair shaft and allow the color to penetrate beneath the surface. This is why hair can often feel dry after using a permanent dyes. Temporary hair colouring solutions last around 6 weeks depending on how many times you wash your hair. They are ...