From a holistic standpoint, an increase in cellulite can indicate a build-up in toxins within the body - most of which are stored within the body's adipose (fatty) tissue. Weleda's Birch Cellulite Oil is a 100% certified natural massage oil for areas of visible cellulite anywhere on the body such as thighs and buttocks. From a holistic standpoint, an increase in cellulite can indicate a build-up in toxins within the body - most of which are stored within the body's adipose (fatty) tissue. Weleda's Birch Cellulite Oil is a 100% certified natural massage oil for areas of visible cellulite anywhere on the body such as thighs and buttocks. Extracts from organically grown birch, rosemary and butcher's broom stimulate the skin's metabolism, and are blended with active carrier oils, including vitamin rich wheat germ and nourishing jojoba. Invigorating essential oils of grapefruit and cypress provide the fragrance, and also work to uplift the mind, and energise the body. And it really works. K