RAINBOW RESEARCH HENNA,PERSIAN LIGHT BROWN, 4 OZ Pack of 2 NWT Features& details 100 % Botanical Hair Color and conditioner. Rainbow Henna has no additives, chemicals, or pesticides Rainbow Henna coats each hair shaft with color. Fades gradually. Lasts 4-6 weeks. Smooths and seals the hair's cuticle for greater shine and body.