Blasol Powder Permanent Hair Colouring. Blasol hair colour gives your hair permanent and natural looking colour. Because Blasol contais no ammonia or hydrogen peroxide, it is gentle to your hair. Easy to use, just mix the contents of the bottle with plain water and apply. Can be used by both ladies and gentlemen. Banishes grey and white hair. Restores beautiful colour. No ammonia, no peroxide. BLASOL works on all hair types and has been extensively tested on ethnic hair. It has been found toevenly cover grey hairs, to provide 100 percent grey coverage. It wont drip and stain your clothes and contains no ammonia or peroxide, so it is extremyl gentle on your head. This dye gives a beautiful permanent oriental black colour.