EIMI natural volume 300 ml EIMI natural volume 300 ml is a volume-enhancing mousse from Wella Professionals. It is designed to give volume and texture to the hair, while providing a natural feel and look. The mousse contains natural ingredients such as avocado oil, macadamia nut oil and provitamin B5, which help nourish the hair, as well as providing a natural hold and shine. It is easy to apply and can be used on all hair types.