During winter, the cold and dry climate reduces the activity of sebaceous and sweat glands, leading to a thinner natural oil layer on the skin and a weakened protective barrier. Bathing too frequently—especially with hot water or harsh, alkaline soaps—can strip away this already limited layer of protective oils, resulting in dryness, itching, or even cracked skin. Over-bathing may also disrupt the skin’s microbiome, increasing the risk of irritation or infection. Therefore, it’s advisable to reduce bathing frequency in winter—typically 2–3 times per week is sufficient. Use lukewarm water (ideally between 37°C and 40°C), avoid prolonged showers, and choose gentle, moisturizing cleansers. Applying body lotion immediately after bathing helps lock in moisture and maintain skin health. This is especially important for the elderly, children, and those with sensitive skin, who should prioritize ‘moderate cleansing’ to prevent winter-related skin issues.
冬季气候干燥寒冷，人体皮脂腺和汗腺的分泌活动减弱，皮肤表面的天然油脂层变薄，保护屏障功能下降。此时如果洗澡过于频繁，尤其是使用过热的水或强碱性沐浴产品，会进一步洗去本就稀少的皮脂，导致皮肤干燥、瘙痒甚至皲裂。此外，频繁洗澡还可能破坏皮肤表面的微生态平衡，增加敏感或感染的风险。因此，冬天建议适当减少洗澡频率，一般每周2-3次即可；水温控制在37℃–40℃之间，避免长时间冲洗；选择温和、保湿型的清洁产品，并在洗后及时涂抹身体乳，以锁住水分、维护皮肤健康。特别对于老年人、儿童及皮肤敏感人群，更应注意“适度清洁”，避免因过度洗澡而引发皮肤问题。
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