New bottle. 3.4 fl oz From Kevin Murphy website: LEAVE-IN PLUMPING CONDITIONING TREATMENT As the name implies…this is BODY in a bottle. Created using eyelash thickening and lengthening technology, BODY.MASS helps strengthen the hair, while imparting a fullness and thickness that gives you beautiful body and bounce. Richly formulated with Oleanolic Acid, our leave-in plumping treatment helps fortify and strengthen at the roots to help prevent hair ageing.