What is Beauty Ceramides? Doctor’s Best Beauty Ceramides contains Ceramide-PCD, 100% rice phytoceramides and natural astaxanthin to help support healthy skin from within. This potent combination helps improve skin moisture, smoothness, and reduces skin roughness. Ceramide-PCD has been clinically shown to reduce skin dryness and scaling. Astaxanthin is a potent antioxidant that helps minimize collagen degradation from UV sun exposure, protecting skin from the inside out.