Coffee a rich source of antioxidants: The environment we live in is full of free radicals made up of pollution and dirt particles. These free radicals have an adverse effect on our skin. Due to its natural antioxidants properties, coffee protects the skin from harmful effects of free radicals. It makes skin smooth and bright: Coffee contains qualities that signal tissue repair which can play be benifical in regulating cell re-growth, resulting in increased collagen and skin elasticity.