The concept of skin protection by dietary means is more and more gaining the interest of scientists.

Mechanisms responsible for the influence of diet on skin status are multiple. Micronutrients can act both at systemic and cutanate level as antioxidants, modulators of eicosanoid synthesis and gene expression or regulators of different signalling pathways. 

The aim of this is article is to synthesize past and more recent findings regarding the preventive or curative role of diet (enriched diets and regional diets) in certain skin diseases, and also, to suggest new area of investigation in order to elucidate the true influence of diet on these skin diseases.