It’s not just for fine lines and wrinkles: Botox is showing promise as a treatment for chronic pain. Or, rather, the botulinum toxin that’s used commercially to erase signs of aging is also being studied as a potential alternative to opioid drugs, per a report in STAT.

A new paper in Science shows that a single dose of botulinum toxin, injected into the spinal cavity, prompted several weeks of pain relief from chronic and neuropathic pain — in mice.