Pineapple juice is helpful in the care of skin in various ways. It is a good acne treatment, and also helps to heal wounds quickly, as the enzymes that are in this juice are known for that type of healing. The synthesis of collagen, which is helpful in providing the necessary elasticity of the skin, is helped from drinking pineapple juice. Skin wrinkling is cause by the lack of collagen, as well as rapid ageing. So, drink pineapple juice to stay looking young and beautiful.