This serum contains three types of retinol and niacinamide to support skin firmness and brightness. - Brand: Celladix - Product Name: Triple Retinol Ampoule - Ingredients: 3X Retinol 0.3%, Niacinamide 2% - Volume: 30ml Thank you for viewing. ・All items are stored at home, so we do not accept claims. Please refrain from purchasing if you are sensitive to this. We may block users in some cases. (I am a non-smoker. Recently, some people have complained about the smell, but please understand the meaning of home storage.) ・Basically, items will be shipped via regular mail in an envelope. Please contact us BEFORE purchasing if you require waterproof or cushioning packaging. Additional fees will apply depending on the packaging. (We are troubled by people who complain after receiving the product. It's your fault for not reading!) ・Shipping will be via Yu-Yu Mail or the cheapest option. We are not responsible for any accidents during transit. If you are concerned, we can accommodate you for an additional fee. Please contact us in the comment section. ・Purchases for resale purposes are prohibited. We will report them to the administration as soon as we find them. ・Please ask any questions in the comment section. We will respond as quickly as possible, but please understand that we may be slow to respond due to work. ・We would like to accommodate price reductions as much as possible. Please consult with us. (We may not be able to accommodate unreasonable price cuts, and in severe cases, we will block users.) ・Please do not disappear after asking a question. It is very annoying. ・We will offer a discount for bulk purchases. ・We do not accept cancellations or returns. ・For payments other than credit card (immediate payment), please inform us in the comment section and let us know when you will make the payment. ・If you wish to purchase, please contact us in the comment section to express your interest. We participate in flea markets on weekends, irregularly, with the products listed here. Please note that we will immediately delete the Mercari listing if the item is sold there. Thank you for your understanding.