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L'oréal Majicontrast - which ingredient helps to lighten up coloured hair?
  • Normal haircolours can't lighten up coloured hair, as peroxide brought the pigments together and can't split them up afterwards. Which ingredient helps Majicontrast to do so? It's obviously a haircolour and not like Magma a bleaching product. I already checked the ingredients and couldn't find out how the product does it.
    The ingredients are:
    AQUA; CETEARYL ALCOHOL; AMMONIUM HYDROXIDE; OLETH 30, HEXADIMETHRINE CLORIDE; OLEIC ACID; OLEYL ALCOHOL; ETHANOLAMINE; PENTASODIUM PENTETATE; 2-OLEAMIDO-1,3-OCTADECANEDIOL; BASIC RED 51; PARFUM
    Plus the usual ones:
    Resorcin; Toluylendiamin; Phenylendiamin and Ammoniak.
    I'd be very grateful if you could answer my question!