ammonia/peroxide what do they do?

monica001monica001 Posts: 43Registered Users
i've been wondering this for awhile. doesn't one lift the color?i use some with no ammonia except the nuttrise which i HATE it lift the base lighter.

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  • BrioBrio Posts: 1,432Registered Users
    ammonia usually is used to open the cuticle so the hair color can go in. I think a lot of companies have discontinued using ammonia and gone to other chemicals.

    Perioxide is used to lift color.

    There are some deposit only hair colors, such as Robert Craig hair, and demi-permanent or a semi-permanent colors, such as Natural Instincts or ColorSpa.
    [SIGPIC][/SIGPIC]
    Frizz Happens!
    my Fotki hair journey/experiment diary PW is brio (and I really need to update it!)

    3A hair; coloring with henna/indigo since July 2009; normally follow the CG method. Still searching for my HG products!

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