Just For Men Controlgx Hair Blackening Gray Blocker Shampoo 118 ml

Instructions for Use/Warnings: RECOMMENDATION Control GX Gray Reducer The shampoo is best suited for hair shades from medium brown to black hair colors. Use Use as you would your regular shampoo until you achieve the desired look in your hair (usually within 2 to 4 weeks). Then use several times a week to maintain the tone. Leave the shampoo on your hair for 1-2 minutes while showering. That's it! WARNING Always read the safety instructions before using the product and perform an allergy test 48 hours before use as indicated in the instructions for use. When applying the product to your hair, apply the product to your hair with your palms, not your fingertips, to avoid staining your nails.