It is so much better to listen to what people say and do. It means that the person thinks that it is easy to either predict or see by your facial or body expressions what you are thinking or what you will do next. Think of poker players and how they hide their reactions to their cards.
This doesn't mean you can take vitamins or apply topical vitamin C and then bake safely in the sun, but you can help keep your skin healthy and supple by making sure you get enough of this antioxidant vitamin [source: Bouchez].
Vitamin C Serum Benefits. A Vitamin C serum benefits the skin in many ways. Vitamin C is a powerful nutrient used in skin care products to prevent and repair aging, stimulate collagen production, heal acne scars, and brighten skin coloration. In order to get these benefits, you need to use a certain concentration of Vitamin C at a certain pH.