Moisturization is essential in skin care cosmetics. Aquaxtrem from Provital is its latest botanical moisturizer based on a new concept: it activates the skin’s own mechanism for long lasting hydration, according to the company. Unlike traditional moisturizers, Aquaxtrem works within the skin via PPARγ activation. In vitro and in vivo tests showed an increase in production of barrier lipids, improvement of barrier function and stratum corneum cohesion resulting in reduction of water loss (TEWL) ...