Slugging is an intensive kind of moisturizing that employs Vaseline or petroleum jelly to seal in water from your nightly skin-care regimen, as explained by a skin specialist Shari Marchbein, M.D. If your skin becomes dry during the winter, just remember this: moisturize, moisturize, moisturize. Slugging skincare, a moisturizing method that I’ve been using on my skin that has been suggested by dermatologists for years to treat problems like eczema, is one of my favorite ways of achieving this. Vaseline petroleum jelly may be used to hydrate the skin, keep it moisturized, and seal in the products you use while you sleep. Remove it in the morning with a mild cleaner.
Following your regular nighttime skin care treatment, just seal everything in with some Vaseline. The idea is that retaining as much moisture as possible will be beneficial, especially during winter (or at any time of year for those with very parched skin). Applying a jelly on top of your hydrating regimen produces a barrier that locks in moisture and aids the formulae in penetrating deeper into the skin.