One of the mistakes that we make while caring for skin is vigorously rubbing the skin with towel, cleansing tools etc. It might give you squicky clean feeling, but it will destroy protective outer lipid barrier of your skin. Destroyed layer means infections, dryness, inflammation, excessive oil production. Excessive oil production+bacteria+inflammation causes pimples and acne. Read about more mistakes and how to avoid them. So you can end up with clean, healthy, glowing skin.