OXIDISING AGENTS IN THE BLEACH BREAK DOWN TO RELEASE OXYGEN. THE OXYGEN PENETRATES THE HAIR SHAFT DE-COLOURING THE PIGMENTS.
WHEN BLEACHING BLACK HAIR A SERIES OF COLOUR CHANGES TAKE PLACE. THE SEVEN, MORE NOTICEABLE COLOURS, ARE LISTED BELOW.
AS THE COLOUR OF THE HAIR CHANGES FROM THE NATURAL COLOUR, TO WHITE, THE CONDITION OF THE HAIR IS AFFECTED.
AFTER THE HAIR HAS TURNED WHITE SEVERE BREAKAGE OCCURS, AS THE OXIDISING AGENT CONTINUES TO CHANGE THE COMPOSITION OF THE MELANIN, WHICH HAS AN ADVERSE AFFECT ON THE CUTICLE.
