While the words "slugging" or "slug life" are relativity newer terms coined by K-Beauty industry, it's nothing new at all, and our great-great-grandmothers have been doing this for years since Vaseline was created in 1872! Petrolatum is also one of the main ingredients in the old-school Ponds Cold cream, Aquaphor, and Cerave Healing Ointment.

What is your skin barrier anyway? The skin barrier is the outermost layer of skin cells (a.k.a. the stratum corneum). It's also home to the lipid matrix which is made up of ceramides, cholesterol, and fatty acids. The function is to protect the skin from environmental irritants, free radicals, and pathogens. It also helps to prevent transepidermal water loss (TEWL). Think of your skin barrier as a “brick wall.”

One of the top skincare questions I receive is, “How do you get rid of acne scars?” The thing is, it may not be a true scar at all. It could be other skin conditions that require different treatments and products…