1)Mammary tissue growth

2)Lenthening and branching of milk ducts : Milk ducts end in clusters of lobules, which contribute to breast fullness

3)Maintenance of collagen levels : Promote smooth and firm breast skin

4)Improve blood circulation and estrogen concentrations in the breast : lead to build up fatty tissue in the breast.

5)Increase in the production of growth factors : growth factors help the development of younger skin and supporting  tissues, which are required for breast firmness