Schwarzkopf Oleo Intense Black Brown 2-10 No Ammonia is a permanent hair dye designed for dark blonde to black hair. The caring oil formula gives rich, long-lasting colour with up to 100% grey coverage, whilst the fair trade argan oil in the conditioner leaves your hair strong, soft and full of shine.- Permanent hair dye - For dark blonde to black hair- Up to 100% grey coverage- No ammonia- Argan oil formula for strong, soft hairThe oil infused formula works in two ways to give you salon beautiful hair at home. - boosts the penetration of the colour pigments deep inside the hair fibre giving you rich long-lasting colour with up to 100% grey coverage.- cares for your hair while colouring, offering supreme care and healthy-looking hair. Schwarzkopf top tips:Always perform an allergy alert test 48 hours prior to colouringFor long or thick hair we recommended using two packs This shade is recommended for hair colours dark blonde to blackResults may vary on previously coloured hair