Product introduction: Our Vitamin C Facial Serum is a highly effective anti-aging serum designed specifically for facial skin care. It is rich in vitamin C, which can reduce fine lines and nasolabial folds, tighten facial skin, and delay the aging process of the skin. This serum absorbs quickly, is non-greasy, and is suitable for all skin types. How to use: 1. After cleansing facial skin, take appropriate amount of essence into the palm of your hand. 2. Gently massage facial skin to allow it to be fully absorbed. 3. Use it in the morning and evening, 2-3 drops each time. 4. It is recommended to be used in conjunction with daily skin care procedures, such as cleansing, toner and cream, etc. Notes: 1. For external use only, avoid contact with eyes. 2. If you experience discomfort or allergies, please stop using it immediately and consult a doctor. 3. Please store the product in a cool, dry place away from direct sunlight. Our Vitamin C Facial Serum will give you visibly improved skin, leaving you with younger-looking, firmer skin. Buy now and enjoy refreshed skin!