What do systematic reviews say?

Topical vitamin D derivative vs placebo

Topical vitamin D derivative may leads to higher proportion of participants cleared or almost cleared in the short… compared with placebo (low certainty).

• Interventions for chronic palmoplantar pustulosis 2020 · Cochrane Headline outcomes only
  RR 7.83 [1.85, 33.12]
  1 study · 188 participants
  Low