Red dye for dark hair, a chromatogenic substance, transforms dark hair into vibrant shades of crimson. For instance, henna, a plant-based red dye, has been used for centuries to enhance the color of locks.
The allure of red dye for dark hair stems from its ability to bestow a bold and captivating look. Its benefits extend beyond aesthetics; red dyes can strengthen hair follicles, promoting growth and vitality. The introduction of synthetic red dyes in the 20th century revolutionized hair coloring, enabling a broader range of hues and lasting results.