Shagun Gold Herbal Black Beard Dye is Herbal based beard dye that really works. Your beard will remain the natural dyed color until you shave it off. It is permanent. It is not mascara. Follow the provided instructions, and you'll get a very natural looking black beard, Beard and Mustache Dye is "Nature's Way to Cover Grey". You will get insistent color in 25 to 30 minutes, Color Results: May vary from hair to hair so a strand test before application is always recommended. We do not entertain any repelled claim what so ever. Caution: - Keep out of reach of children. Herbal henna should be used to color eyebrows or eyelashes. Safely Instruction: Skin Allergy Test, Sometimes Herbal Henna May Cause Skin Allergy In Some Cases Of Very Sensitive Skins And So A Preliminary Test Is Advisable, Clean A Small Patch Of Skin Behind The Ear And Apply A Small Quantity Of The Past On The Skin For 24 Hrs And Wash It, If No Irritation Is Apparent It May Be Assumed That No Hypersensitivity Exits And Other Wise Don't Use The Product.