There is only one undisputed King in the skincare jungle. The one backed by 40 years of medical research. The one that actually makes your skin cells get off the couch and work.

The beauty industry saw this side effect and turned it into a main product. They branded it as the "Cinderella Drip." But remember, just because a medicine has a side effect doesn't mean you should abuse it. (Chemotherapy makes hair fall out; that doesn't mean you take chemo if you want a bald look, right?)