Good Dye Young Pre Wash Weekly Detox & Scalp Treatment is a paraben-free and sulphate-free scalp scrub that fortifies the scalp, gets rid of product build-up, and improves the shine and smoothness of hair. Its mild, biodegradable microbeads increase blood flow, which encourages the growth of healthy hair. Itchy, irritated scalps are soothed by chamomile flower extract. For healthier hair and a revitalised scalp, treat your hair to this weekly scalp treatment. It's like a facial for your hair, and is best used before