Use what the pros use — Zeasorb, the #1 dermatologist-recommended brand.¹ Made by Stiefel, a GSK company, Zeasorb powders absorb unwanted moisture, prevent and treat fungi that can cause ailments such as athlete’s foot and jock itch, and help relieve frictional skin irritation — conditions that are more likely to affect athletes due to their rigorous training regimens.