Well as the

Colorless henna, as well as the usual henna for hair, can create an invisible protective film, thanks to which aggressive harmful substances cannot penetrate the hair.

In order to prepare a colorless henna for your hair, dilute it in a small amount of clean water, so that it turns out to be a gruel that will be conveniently applied to the hair.You can keep colorless henna on your hair from half an hour and up to three hours.