Breast Actives Breast Actives is a natural supplement and cream that, when used together, are supposed to make your breasts grow larger and firmer, even long after puberty when breasts generally stop growing. Obviously there are a LOT of women, young and old, who feel a little short changed in the breasts department, and therefore there's a lot of interest in any product that naturally increases breast growth. However, the real question is: does breast actives actually work?