What is the Skin Barrier?

The concept of the skin barrier, also known as the "natural barrier," refers to a natural protective layer of the skin composed of a microbial film, sebum film, and a brick wall-like structure of the stratum corneum. A stable skin barrier prevents moisture evaporation, maintains skin hydration, shields against harmful external substances, and provides a certain level of protection. Skin health and aesthetics are directly influenced by the integrity of the skin barrier. Barrier damage occurs when external stimuli or internal factors thin the stratum corneum or create defects. Severe damage can lead to fine cracks, itching, dryness, peeling, and roughness. Damaged barriers make the skin more susceptible to external microbes, exacerbating acne and sensitivity. Composition of the Skin Barrier: 1. Microbial Film: A community of microorganisms on the sebum film helps defend against harmful microbes and skin issues. 2. Sebum Film: A transparent layer on the skin's surface consisting of sebum, sweat, and lipid from cell breakdown, acting as a lipid barrier. 3. Stratum Corneum: The skin's outermost layer, resembling a brick wall structure, reduces water loss, absorbs moisture, and maintains skin hydration. Six Major Functions of the Skin Barrier: 1. Physical Barrier: Protects against friction and pressure to a certain extent and quickly recovers to normal. 2. Electrical Resistance Barrier: The outer layer of the skin has insulating properties against low-voltage electric currents. 3. UV Barrier: Skin tissue selectively absorbs light, providing protection against UV rays. 4. Chemical Barrier: Stratum corneum cells with lipid membranes and cytoplasmic keratin have a barrier function against chemicals. 5. Microbial Barrier: Blocks microbes residing on the skin. 6. Moisture Barrier: Lipids between stratum corneum cells prevent moisture loss. The skin barrier is crucial for maintaining skin health. Understanding its composition and functions is essential for effective skincare. Scientific care and selecting suitable skincare products help repair damaged skin barriers, keeping your skin soft and smooth. Remember, consistent care is key to maintaining a stable skin barrier and providing comprehensive protection for your skin. #skincareroutine#beautytips#antiaging#eyepatch#eyemask#eyecream#viicode#Eastsuperstar VIIcode blog: https://viiblog.com/index.php?route=blog/category&blog_category_id=3

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