Oral intake of glucosylceramides, whether extracted from wheat, maize, rice bran, beets, or konjac root, has been shown in studies to travel through the digestive process to the skin. Research has also found that glucosylceramides have more benefits for dry, photo-damaged than normal skin.

Plant-derived glucosylceramides can support the skin's barrier, enhance hydration pathways, and help irritated, dry and dull skin. Glucosylceramides is a  good ingredient to promote healthier skin. 

See also:
Ceramides