The JAYSUING Professional 5-in-1 Facial Serum is a powerhouse skincare solution designed to target multiple skin concerns in one formula. Enriched with 10% Hyaluronic Acid for deep hydration, 5% Niacinamide to brighten and even skin tone, 30% Vitamin C for antioxidant protection, 10% Vitamin E to nourish and repair, and 5% Collagen to improve elasticity, this serum works to hydrate, firm, and rejuvenate your complexion. Suitable for daily use, it leaves skin feeling soft, plump, and youthful while helping reduce fine lines, dark spots, and dullness.