Adopt the anti-aging K-Beauty trend with the HEIMISH Marine Care Retinol serum. In the evening, after cleansing and applying lotion/toner, apply a few drops over the entire face, avoiding the eye and mouth areas. Start 2 to 3 times a week to let your skin get used to it, then gradually increase if your skin tolerates it well. Always use a moisturizer afterward, and don’t forget sunscreen every morning to protect your skin from UV rays.