Dermasil Labs has developed Dermasil OTC pharmaceutical skin care, a powerful dry skin treatment and skin protectant.This lotion contains 4 systems to control and provide long-lasting relief from severe dry skin:Occlusives to block moisture loss from the skin's surfaceHumectant to bind water in the skin's outermost layersSkin Lipids to enhance the skin's natural ability to retain moisture EFA's an important component of the skin's moisture barrier.