The Skin Barrier Explained by Estheticians: How Damage Happens and How to Repair It

In this episode, Morgan and Joely break down the skin barrier—what it is, how it works, and why barrier damage is at the root of so many skin concerns like sensitivity, acne, dehydration, inflammation, and burning sensations. They explain the brick-and-mortar structure of the stratum corneum, the role of ceramides, cholesterol, and fatty acids, and the most common causes of a compromised skin barrier, including over-exfoliation, improper product use, environmental stress, and internal factors like stress and sleep. You'll learn how to recognize the signs of barrier damage (even when skin looks oily or acne-prone), why "tingling" doesn't mean products are working, and how to properly repair the skin barrier by simplifying routines, removing aggressive actives, and prioritizing barrier-supportive ingredients. Whether you're an esthetician or skincare enthusiast, this episode explains why barrier repair is foundational for healthy, resilient skin and better treatment results. Takeaways: A compromised skin barrier is often the root cause of sensitivity, acne, dehydration, inflammation, and burning—not "weak skin" or product failure. Over-exfoliation, aggressive actives, environmental stress, and improper home care are the most common reasons the skin barrier becomes damaged. Barrier repair starts with simplifying routines, removing stressors, and prioritizing ceramides, cholesterol, fatty acids, and gentle, supportive care before active treatments. Connect with Us: Instagram:https://www.instagram.com/estitraining/?locale=fr_FR&hl=am-et Website: https://www.estitraining.com/ Email: [email protected] Youtube