OK Herbal Shampoo to cover gray hair, black, covers gray hair in one step, no mixing, no hassle, with herbal extracts to nourish hair, making it soft and not dry and damaged. - Name: OK HERBAL Color Care Shampoo Black 30 ml x 12 - Brand: OK HERBAL - Unit Amount: 12 unit(s) How to Preserve: Store in a cool, dry place.