Can You Use 20 Volume Developer With Demi Permanent Color. Semi and demi permanent color is designed for deposit only color results. It can enhance existing color in various tones but it can not make it lighter. Permanent color requires ammonia or an ammonia alternative to help open the cuticle layer of. 30vol developer is ideal for lifting 3 levels using permanent hair color depending on the texture and natural depth of the hair.
This is why a demi designer is offered or a reduced quantity of 10 or below is made use of. A low quantity designer just permits the haircolor to rest within the follicle of the hair with really little penetration into the cortex. It is the usual developer to get grey coverage, but you may require a heavier developer for more resistant hair types. It can have a lightening effect on natural, undyed hair of 1 or 2 shades when used with permanent colour. Hair developer has several degrees to which you can lighten or darken your hair. The weakest one is 10 volume or 3% peroxide developer and normally, 3% in the developer helps to achieve 1 degree of lightening. So, with 6% peroxide, colorists can get 2 degrees of lightening. In other words, the developer lifts your hair color by one or two. 20 volume is likely the most used developer in the salon.