Powdered product as a 100% natural dye, certified organic, and with a great reputation in the world of natural hair colouring, dyes the hair without damaging it. It offers a healthy and natural way to colour and condition hair. Henna covers grey hair, strengthens the roots and protects the scalp. Henna is the powder of a plant, Lawsonia Inermis, which contains a molecule called Lawsona. This molecule interacts with the natural keratin in the hair.