Lemon has many health and beauty benefits. It contains vitamins C and B6, folate, potassium, and magnesium. The high vitamin C content boosts the immune system and helps fight infections. Lemon also aids digestion, balances pH levels, brightens skin and hair, whitens teeth, and can help with weight loss, cancer prevention, acne, and anxiety reduction. Its various uses make lemon a versatile citrus fruit that can be consumed or applied topically for multiple health and beauty purposes.