Rapid Ageless Serum One thing that's easy to forget about your skin is that it's not just your peel or shell, it's part of you. But, the skin truly is a real organ, in fact the body's largest. Your skin will show your health. Caring for your body will show results, both to others and to your doctor.Rapid Ageless Serum One easy way to find out what type of skin you have is with the tissue test. When you first wake up in the morning, place a clean tissue on your face and apply a slight pressure. The total amount of oil left on the tissue can let you get an idea of whether your skin is oily, dry, or normal. Knowing your skin type is crucial to choosing the right products.