Curly hair may be caused by a muscle contraction, and muscle relaxants might help treat it.
January 2024 in “Indian Journal of Pharmaceutical Sciences” Relaxing certain muscles might straighten curly hair.
86 citations,
July 1990 in “British Journal of Pharmacology” Diazoxide, minoxidil sulphate, and cromakalim relax rat blood vessels by opening K+ channels, with some differences in their actions.
119 citations,
October 1992 in “Fundamental & Clinical Pharmacology” Potassium channel openers could help treat cardiovascular diseases and asthma but require better targeting to specific tissues for effective use.
183 citations,
January 1987 in “British Journal of Anaesthesia” Opioid painkillers can cause many side effects, including breathing problems and addiction, but are generally considered safe when used properly.