Over time many factors contribute to changes in our hair, nails and skin. Dietary, environmental and genetic factors, as well as lifestyle, all contribute to our physical appearance and well-being. These factors can affect the pigmentation, elasticity, hydration, thickness and luster of hair, skin and nails. Outward appearance is a reflection of our internal cellular and metabolic health. Dietary supplementation with specific, scientifically studied nutrients can help to support our appearance as we age. Douglas Laboratories is committed to staying at the forefront of new research where the science of supplementation and beauty intersect.