The skincare trend known as 早c晚a功效 has become extremely popular in the beauty world. This concept refers to using Vitamin C in the morning (“早C”) and Vitamin A (retinol) at night (“晚A”). The routine is designed to improve skin brightness, reduce aging signs, and support overall skin health. What is 早c晚a功效? The meaning of 早c晚a功效 is simple but powerful: 早C (Morni... https://www.derm-mart.com.hk/collections/pigment-and-sun-damaged