What Is the 4 2 4 Rule in Skincare? The Korean Double Cleanse Method
The 4 2 4 rule is a Korean double-cleansing method that breaks down to 4 minutes of oil cleansing, 2 minutes of foam cleansing, and 4 minutes of rinsing — totaling 10 minutes of face washing. It’s designed to thoroughly remove makeup, sunscreen, and sebum without stripping your skin. You start with an oil-based cleanser […]