The Hyaluronan Metabolism in the UV-Irradiated Human Epidermis and the Relevance of In Vitro Epidermal Models

Using qRT-PCR, confocal microscopy, and LC–MS/MS. tha authors compared the naturally sun-exposed, sun-protected, experimentally repeatedly UVA + UVB-exposed and acutely UVA + UVB irradiated skin of Caucasian women.