- New
SADOER 4 in 1 Repair & Nourish Facial Serum is a multifunctional facial serum that combines four essential actions for comprehensive skin care. Its unique formula includes hyaluronic acid, niacinamide, vitamins C and E, providing deep hydration, nourishment, repair, and protection for the skin. Key Benefits: Deep Hydration: Hyaluronic acid retains moisture in the skin, increasing its elasticity and softness. Nourishment and Repair: Niacinamide stimulates collagen production, strengthens the skin's barrier, and helps reduce pigmentation.