Jimei should often hear the word skin barrier, today we will meet it together!!
What is the skin barrier?
We can understand it as a "brick wall structure", the outermost "wall skin" of the brick is the sebaceous membrane, which is composed of secretions of sweat glands and sebaceous glands, epidermal metabolites, inorganic salts, etc., and the PH value is weakly acidic."Brick" refers to keratinocytes, and "cement" refers to intercellular lipids, mainly including ceramides, cholesterol, free fatty acids and so on.
The main role is to resist the invasion and irritation of external microorganisms, lock in water and moisturize.
How does the skin barrier manifest?
If the barrier is damaged, it is common to present with dryness and peeling, which is prone to redness, itching, tingling, and burning sensation.The skin is greasy and acney, with long closed acne.
(1) Ultraviolet rays are the "sky number killer" of the skin, resulting in tanning, redness, peeling, and aging.
Apply mask every day leading to excessive skin hydration, frequent blind brush acid superimposed use of skin care products will also lead to damage to the skin barrier oh! !
2. Don't exfoliate or over-clean, use gentle cleansers and makeup removers
3. Streamline skin care, do a good job moisturizing, according to the needs of functional products
4. Develop a regular routine and quit bad habits.