In this Ask Dr. A episode, Dr. Macrene explains what the skin barrier is, why it’s essential for healthy, youthful skin, and how to properly repair and protect it. She breaks down common signs of a compromised barrier—like redness, dryness, and sensitivity—and shares expert tips on how to restore it using clinically proven ingredients like ceramides, lipids, and antioxidants. Whether you're dealing with over-exfoliation or seasonal dryness, this video offers practical, science-backed guidance to get your skin back on track.
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