In 2018, U.S. consumers spent -$5.6 billion- on skincare products in their relentless quest for smooth, youthful, radiant skin. The most common skin issues, for both men and women, include acne, wrinkles, puffiness, dullness, dry skin and pigment issues. While skincare products may work fine, many of us may not actually need them. Many skin conditions can also be tackled by a quick habit that’s absolutely...