The Fairy Skin Premium Brightening Kit's main benefits include brightening skin and reducing hyperpigmentation by targeting dark spots and uneven skin tone, minimizing fine lines and wrinkles for an anti-aging effect, controlling acne and blemishes, providing skin hydration and soothing, and promoting skin renewal through a gentle peeling process for a radiant, "glass skin" look. The formula uses ingredients like retinol, niacinamide, Vitamin C, and various plant extracts to achieve these results.