Hello. A pharmacist who reads a dissertation.
Are there many people who are worried about white skin in dry winter? Winter is the season when you need more moisture because of the cold, dry air. Dry air, cold, and indoor heating cause moisture to evaporate and dry skin. Moisture management is very important to improve skin moisture loss and skin aging because it is closely related .
The ingredient I'm going to introduce today is hyaluronic acid , a key ingredient related to skin moisture . The most important characteristic of hyaluronic acid is its ability to adhere and retain moisture. Hyaluronic acid combines with water 1000 times its own weight to control the skin barrier function and improve moisture at the same time .
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