For best results to achieve 4C (Ash Chestnut) on uncoloured hair is to apply on 4N - Chestnuts. If applied on 1N, 2N, 3N the result will be dark ash chestnut. If applied on 5N, 6N, 7N, the result will be ash chestnut.
Please note this colour is very cold and flat in tone. If applied on 4D, 5D, 4M, 5M, 4R, 5R. To cover grey hair is essential to mix appropriate quantity of 4N - Chestnut.
VEGETAL colours enhance the shine and clarity of your natural hair colour whilst greatly improving the condition of the hair. However because the VEGETAL colours do not contain PPD or Peroxide the effect on grey hair is somewhat unpredictable depending on the type of hair it is applied to. We do have many customers that use the VEGETAL range because they either have a PPD sensitivity or choose not to use permanent colours and they find the effect on their hair is good enough for their purpose.