If you want to avoid getting a surgery to increase the size of your breasts, you’re pretty darn limited to what you can do. There are a slew of “natural” creams, ointments, etc. that’ll claim they can help you increase the size of your breasts without surgery, but it’s best to be weary of these things. No scientific evidence behind them means that they are most probably just making claims and can’t back them up. However, there are other ways to get an increased breast size without going into surgery or relying on these “natural” products.
One such way to do this is to do a variety of exercises. They are easily found online, and often focus on the chest area or improving posture. An improved posture makes you more likely to accenture your breasts naturally.