The Korean Vita A Retinal Shot Tightening Booster is a powerful anti-aging serum designed to smooth fine lines, boost skin elasticity, and brighten the complexion. Packed with retinol, peptides, and hydrating agents, this overnight repair serum works while you sleep, providing visible results in just weeks. Perfect for all skin types, it helps restore youthful radiance and firmness, making it a must-have in your skincare routine.