The perfect choice to prevent and correct early signs of aging before they set in. Feel the benefits of Retinol without irritation. (*Based on clinical trials- 30 subjects completed the test.) How to use After using essence or serum, pat a small amount using your ring finger. Apply evenly over the face, neck, and onto parts with wrinkle concerns. Limit initial use to three times per week; gradually increase frequency to every other night, use as tolerated. * Have an ‘adaption period’ when using retinol WEEK 1~2 Frequency : use every other day at night How to Use : After cleansing, at the moisturizer step, apply a small amount to areas of concern. • e.g. under eyes, mouth, forehead and neck (Recommended amount : 0.1ml per section / 1 grain of rice) WEEK 3~ Frequency : may apply everyday at night How to use : After cleansing, at the moisturizer step, may spread over the entire face.