Will breast massage with herbal oil surely increase breast size?

No. No. There isn't anything you can rub on your breasts to increase their size. The only way to increase them is by gaining weight when they get replaced with fatty tissue(not recommended). The tried and true way is with surgery. Implants.

Related Questions

Can herbal supplements help increase breast size at least by 2 cups at the age of 20?

Herbal. No. There is no herbal substitute that increase your breast size. There are augmentation procedures which use fat from other areas of your body or use plants. Please see board eligible or board certified plastic surgeon for a consultation. Herbs as you are describing have not been cleared by the fda typically. Read more...