It gives your hair a natural look and it is easy to use. When compared to semi permanent hair color, demi one includes a low quantity of peroxide, which means it can make strands slightly lighter. Before&after of my cute client... Strawberry blonde Moreover, this color lasts up to 12 washes. Blonde semi permanent hair color . It's time to have some fun with your color. Great for soft coverage & blending of grey hair by wella professionals Explore l'oreal paris hair colour. It is available in various shades of blonde. Instead, the color coats the hair. Imagine that while semi replaces the outermost coat of the hair, demi permanent color is located somewhere between the cuticle and cortex. Now one for the blondes: Wash in wash out > root touch up > Semi permanent hair color deposits color onto the surface of your hair and brightens up your mane. Now, i don’t want to mislead you. It does not penetrate the cortex the way permanent hair ...