How to Black Hair Without Dye: Henna and Indigo Guide
Henna followed by indigo is the most dependable way to make hair appear black without conventional oxidative hair dye. Pure henna deposits a red-orange lawsone stain, while pure indigo adds blue pigment over that base. The result can be deep brown-black to blue-black, but the outcome depends on starting color, porosity, gray percentage, and product […]