What do systematic reviews say?

Moisturisers vs vehicle, placebo or no moisturiser

All moisturisers showed no clear difference in number of participants reporting an adverse event compared with vehicle, placebo or no moisturiser (moderate certainty).

• Emollients and moisturisers for eczema 2017 · Cochrane Headline outcomes only
  RR 1.03 [0.82, 1.3]
  10 studies · 1275 participants
  Moderate