Can you damage breast tissue while hand expressing?

While other methods exist, the Marmet method minimizes the damage to breast tissue, bruising or even skin burns that may result from other techniques – especially if you are hand expressing on a regular basis.

Why does expressing hurt?

Pumping pain can happen for a host of reasons: dry skin, the collagen fibers in the nipples needing to stretch, flanges that are too big or too small, the suction on the pump. If you're continuously in pain when you pump, something's not right.