Colour reducer

[krry-lou.yare]

My mum has colour build-up - how do you mix and apply colour reducers?

 

[minky]

My mum has colour build-up - how do you mix and apply colour reducers?

Hi Krry lou , you would have to be careful as it would all depend what make it is ,
plus should really have come with the full manufactures mixing instructions inside it,
do contact the place where you bought it as they should be able to provide the full instructions for you minky