Somewhat related, cannabis might not actually help to relieve pain. [1]
[1] https://www.health.harvard.edu/blog/does-cannabis-actually-r...
[1] https://www.health.harvard.edu/blog/does-cannabis-actually-r...
https://pubmed.ncbi.nlm.nih.gov/36441553/
you will notice that "studies were excluded if they treated patients with [...] severe skin disorders". Which seems relevant in integrating those findings with these.