1.Name:Black hair dye 2.Type:Semi-Permanent 3.Form:Fluent ... Chinese Herbal Medicine 5.100ml*3 100% Natural Black Hair Dye---Allergy FreeIngredientPolygonum multiflorum extract, Vitamin B5, VC, VE, ... time use.2. It is a semi-permanent hair dye, whose effect could last about 1 month, colored solid ... method1.Wash scalp, hair grease repeatedly to ensure the dye effect, dry the hair to 70-80%, then smudge ...