Nutrition
Transepidermal Water Loss Hydration
Transepidermal water loss is moisture leaving through a weak barrier—combine gentle skincare, occlusives, protein, fats, and steady fluids.
Transepidermal water loss hydration addresses moisture escaping through a compromised skin barrier—common with low humidity, overwashing, or aggressive actives. Nutrition supports repair via protein, zinc, essential fats, and steady fluids; occlusive moisturizers do the heavy lifting topically.
Athletes in dry climates or chlorinated pools see higher loss.
Common questions
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What raises transepidermal water loss most?
Low humidity, hot showers, harsh cleansers, and barrier damage raise TEWL—fix environment and moisturizer before chasing exotic supplements.
Related terms
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