One important thing to note is that henna doesn’t lighten hair. It adds warmth, shine and highlights to your existing hair color. Also, if you have more than 10% grey in your hair, the henna will not cover it completely.
This article describes the process of applying henna to your hair. It takes time and can be messy. But it’s one method to color your hair without using harsh chemicals
Click on the How to Henna Your Hair link below to read the complete article.