In order to protect the skin from fine dust First, you need to strengthen your skin barrier.
To strengthen the skin barrier, it is good to maintain the skin's pH at 5.5.
pH is an indicator of acidity. The lower the pH, the closer it is to an acidic state, so excessive oil production leads to skin troubles, and the higher the pH, the closer it is to an alkaline state, so the skin becomes dry.
Skin, whether the fine dust is severe or not For your health, it is recommended to use a mild, low-irritation facial cleanser and to regularly apply moisturizing products containing ceramide, which is a key component of the skin barrier.
Exfoliation is for dry or sensitive skin Once every 1-2 weeks is appropriate, once a week for normal skin, and about two or three times a week for oily skin.
Source | Alice Film
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