Pei Zhengxue Health Weibo, Volume 3

9. Seborrheic Dermatitis

Chapter 291

**Question:** My husband has seborrheic dermatitis. Should he wash his hair with freshly boiled cypress leaf water, or with cypress leaf water purchased from the pharmacy? How long should he boil it for?

From Pei Zhengxue Health Weibo, Volume 3 · Read time 1 min · Updated March 22, 2026

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Section Index

  1. 9. Seborrheic Dermatitis

9. Seborrheic Dermatitis

Question: My husband has seborrheic dermatitis. Should he wash his hair with freshly boiled cypress leaf water, or with cypress leaf water purchased from the pharmacy? How long should he boil it for?

Answer: Boiling cypress leaf water is indeed effective for treating seborrheic dermatitis, and I often use it for my patients. No special preparation is needed—just use fresh cypress leaves to brew the water.


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