Effects of wound dressings on cultured primary keratinocytes

•Commercial burn wound dressings were tested for possible keratinocyte cytotoxicity.•Adaptic, Xeroform, EZ Derm, and Mepilex reduce the attachment expansion and survival.•Mepitel, N-Terface, Polyskin, and Biobrane do not interfere with attachment and expansion.•Mepitel, N-Terface, Polyskin, and Biobrane dressings do not change gene expression.