E.H. Thiellay, a British pharmacist and perfumer, along with Leon Hugo of Paris, a hairdresser, invented peroxide, a blonding chemical. The product was introduced in 1867 at the Paris Exposition. It was considered the first hair bleach.
Daily Hair Tip
If you want haircolor help from nature remember that chamomile lightens blonde hair, rosemary darkens and madderroot is a natural red dye.