Experience the ultimate sun protection with 3-Second Cooling Sun Serum. Boasting SPF 50+ PA++++, it offers powerful UV defense while instantly soothing and moisturizing your skin. Perfect for acne-prone and sensitive skin, this lightweight serum reduces skin temperature within seconds, delivering a refreshing, non-sticky finish. Clinically tested for low irritation and high satisfaction, it ensures your skin stays cool, calm, and beautifully protected all day.