Developer / Desarrollador 40 Vol. (12%) It allows the hair cuticles

It allows the hair cuticles to open and provides better penetration of ONC hair color dyes without raising the pH of the hair and scalp with harsh chemicals

Hair loses its protein through coloring

Massage into scalp

(Protects hair more if it is not rinsed

Lightening / color removal

Developer / Desarrollador 40 Vol. (12%) It allows the hair cuticlesoncartofcolor professional heat activated healthier permanent hair color dye with certified organic ingredients. 2 in 1 Hair Color and Hair Care with added vitamins! ONC artofcolor professional is different from conventional hair color. It does not use harsh chemicals to raise the pH level to open cuticles. Instead, natural, molecule size pigments infuse the hair with color when exposed to heat. It is low pH. As a result, hair remains vibrant, soft,