[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D.](https://indike.org/pramana/ins.science.ray-1902) › v1.c10.t20 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c10.t20: Formula for Hair-Dye A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c10.t20 - **Language:** English ### Formula for Hair-Dye ### [v1.c10.t20.1](https://indike.org/pramana/ins.science.ray-1902.v1.c10.t20.1) Sulphates of copper and iron, boiled with the oil of belleric myrobalans \* \* \* are used as a remedy for turning grey hair into black (ibid; p. 162). ## Cites (1) - [Bower Manuscript](https://indike.org/pramana/in.med.yoga.bower) — Sanskrit --- Source: [https://indike.org/pramana/ins.science.ray-1902.v1.c10.t20](https://indike.org/pramana/ins.science.ray-1902.v1.c10.t20) · Pramāṇa