Home Cosmetic Science Talk Formulating Any recent advances in hair dyes?

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  • Bill_Toge

    Member
    May 7, 2019 at 7:16 pm
    depends what you mean by ‘recent’
    in the last few years, HC Blue No. 15 and Basic Blue 124 are vibrant blue temporary shades that have been introduced onto the market to replace the now-banned Basic Blue 9

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