the claim The Dr Jart+ Ceramidin Cream claims to strengthen the skin barrier helping to protect and retain hydration and in doing so, relieving dryness and repairing damaged skin.     the science A whole collection of moisturising and barrier enforcing ingredients are included in the formulation of this iconic cream. Bifida Ferment Lysate is the resultant yeast obtained by the fermentation of Bifida which strengthens the skin barrier. It displays soothing properties, able to reduce inflammation and redness whilst also improving hydration and skin elasticity. Ceramides are vital to healthy skin because they restore natural lipids lost due to environmental factors. Their water-retention capacity and moisture barrier strengthening provide…