Dark Brown Hair Color and Conditioner offers a natural, gentle alternative to conventional hair dyes given that the henna conditions the hair while it colors, adds highlights, and is free of damaging peroxide and ammonia. Light Mountain Natural Hair Color & Conditioner, (Dark Brown). 100% Premium Henna. The complete all natural hair color and conditioning program. Plus fully illustrated instructions includes cap and gloves. To color light hair with the dark shade a two step process is required. Please use the formulations in our Color The Gray! Series which will work very well on blonde hair. Money back guarantee. Return if not completely satisfied.