Repairing the skin barrier mainly refers to a series of measures to protect and restore the healthy state of the skin, reduce external stimuli and water loss, and maintain skin health.

Ingredient safety refers to the safety of various substances and elements in a product for the human body, including those required by the human body and those that are harmful. However, harmful substances need to reach a certain level to pose a threat to the human body.

After sales guarantee refers to the seller's commitment to provide consumers with after-sales services such as repair, replacement, and return within a certain period of time when selling products.

Quality inspection is the examination of the physical properties, chemical composition, functional reliability, appearance quality, and other aspects of a product. The purpose of quality testing is to ensure that the quality of the product or service meets the expected standards, thereby meeting user needs and enhancing the reliability and safety of the product,