Your skin can lock moisture in better and protect itself Alvera Tone from irritants when you treat with Vitamin B3. After a couple of weeks, the skin ought to feel far healthier and more hydrated. Use lemon juice as a natural bleach for your skin. Apply lemon juice to spots, blemishes, and scars to make them lighter and less noticeable. This solution doesn’t last forever. You must reapply the lemon juice every so often to maintain the effect. It is, however, a safe and cheap alternative to chemical bleaching agents. One way to maintain youthful and healthy skin is to use sunscreen regularly. The sun is the biggest threat to healthy skin.