Hair Colours for use in Salons and for consumers have gone through a huge change. Since 2000, we have noticed hair colours and hair dyes are now ammonia, ppd and nickel free.
We embarked on ammonia free and p~phenylendiamine free since 2007.
what causes hair allergy?
Hair allergy is really our internal clock working against us at a certain age. Many blame the hair colours or dyes. Manufacturers are looking for more vegan based permanent hair dyes.
In order for your hair to cover with the dye, some form if chemicals are added. Always test a new hair dye before applying to your hair.