Function description: Anti aging, reduces skin oil production Suitable for: Any skin type Ingredient principle: essence liquid added with retinol, in which hydroxypinacone retinoate (also called retinol) can be finally converted into retinoic acid through metabolism. Retinoic acid can promote the renewal of keratinocytes, reduce collagen breakdown, and promote the production of collagen and hyaluronic acid, making the skin plump and smooth, and having anti-aging effects. In addition, the conversion of a alcohol in a alcohol essence into retinoic acid can also play a role in inhibiting the secretion of oil by sebaceous glands Selling point description: makes the skin more firm, locks in moisture and moisturizes; Plays an anti-aging effect and has a certain acne removing effect on oily skin and acne prone skin Odor&Texture&Skin Texture: No Fragrance precautions For external use only. Due to different skin types, it is recommended to apply it locally behind the ear before the first use. If there is any discomfort or abnormal skin reaction after use, it is recommended to suspend use and consult a professional. Please keep out of reach of children.