If you look at the actual paper there: https://pubmed.ncbi.nlm.nih.gov/36441553/ https://pubmed.ncbi.nlm.nih.gov/36441553/ you will notice that "studies were

If you look at the actual paper there: https://pubmed.ncbi.nlm.nih.gov/36441553/ 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.