How does cold weather primarily contribute to acute skin dryness?
Answer
Dry air from central heating pulls moisture directly out of the skin
Cold weather is a major external trigger for skin dryness primarily because it correlates with low indoor humidity, often a result of centralized heating systems running indoors. This dry air creates a strong gradient, causing moisture to be pulled directly out of the skin's surface layers via evaporation. This environmental stress actively depletes the skin's natural hydration faster than it can be replenished, leading to symptoms like tightness and roughness, even if bathing habits have not changed.
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