Studies show that a warm breast triggers let-down and the release of breastmilk than a cold breast. By heating Lansinoh THERA°PEARL® and wrapping it around the breast pump cushion, the heat will encourage milk let-down and stimulate milk flow milk.

Resource: Effect of Warm Breastshields on Breast Milk Pumping, JHL, 27(4) 331-338, Kent et al.