1. What is the "ladder" principle of skin care?
The "ladder" principle refers to the principle of "ladder", according to the tolerance of the skinAdd skincare products gradually and don't use too much at once.
For example, in the moderately sensitive period, it is recommended to only use Becomman repair liquid and repair cream, and other products can be added after remission, but you can't add all the cleansing, essence and ** at once, you have to do it one step at a time. In the first week after remission, add moisturizing water first, and then add cleansing products in the second week** if you are adapted, so as to gradually transition to a stable period.
2. How to moisturize and repair when highly sensitive?