Why Vaseline Can Be Dangerous for Diabetic Feet

This episode explains what Vaseline (petroleum jelly) does: it is an occlusive that seals moisture in but does not hydrate. It can soften intact dry skin but is unsafe for diabetic ulcers, macerated or infected areas, and interdigital spaces because it traps bacteria and oxygen, worsening wounds.

The host recommends safer options for diabetic feet—urea creams, ceramide- or glycerin-based lotions, and barrier creams like zinc oxide when appropriate—and stresses daily foot inspection and early medical care rather than self-medicating with petroleum jelly.