The key active ingredients in Beauty Sure include biotin, vitamin E, vitamin C, and zinc, which are known for their benefits in maintaining healthy, glowing skin, strong hair, and resilient nails. Biotin is especially well-known for its role in improving hair thickness and reducing hair loss, while vitamin E provides antioxidant protection, helping to fight free radicals that can damage the skin and accelerate aging. Vitamin C supports collagen synthesis, which is vital for maintaining skin firmness and reducing the appearance of fine lines and wrinkles.