中国最早的白发染黑的医方是一个距今至少900多年的将白发染黑和催生黑发的中医医方。
它于1986年1月被甘肃省中医学院在敦煌藏经洞曾出土的经卷中发现。
这表明，早在北宋以前，中国古代医学已对青壮年白发病进行救治，并总结出了白发染黑和催生黑发的方法。
这个医方，书写在一篇残经背面，约100多个字，对药物和医染方法均有明确记述。
中草药主要有4种医染过程，也较为复杂，医方最后写道：经染治后头发“得三载大黑效”。
经过药理分析证明，药方中有一种中药，具有明显的可使头发黑色素细胞活性增强的效用。同时，所用药的含铅量比现在普遍使用的化学染剂低得多。
有30多位患者用此方医染白发效果良好。
China’s Earliest Chinese Medicine Prescription for Grey Hair Black
China’s earliest Chinese medicine prescription for grey hair black was at least 900 years ago, which was discovered in the volumes excavated from Dunhuang Library Cave by the School of Chinese Medicine of Gansu Province in January 1986.
It became the evidence that before the North Song Dynasty,Chinese Medicine had studied how to treat the young’s grey hair and got some therapy.
The prescrip was about 100 words, with clear description of the medicine and the treatment, written on the back side of a broken piece of volumes.
There was 4 times for the complicated treatment. At the last of the prescription, the curative was described as that the hair can keep black for 3 years.
One kind of herbs stated in the prescription was found that it had great function to make the melanocytes of hair more active through the pharmacological analysis. Besides it, the lead volume of all herbs medicine was far lower than current commonly used hair dye cream. There had been later over 30 patient who got good treatment by the ancient prescription.