You may have noticed wheat in your moisturizer’s list of ingredients. Its ceramides, a kind of lipid molecule found in the outer layer of skin, is believed to help skin stay hydrated. However, a new study published in the International Journal of Cosmetic Science makes a strong argument for ingesting wheat ceramides instead of applying them.
Hitex, a French pharmaceutical subsidiary, had volunteers take either a placebo or a 350mg supplement of a wheat ceramide, known as Lipowheat, for 84 days. After three months, a corneometry test was used to analyze tissue hydration, and found a significant increase in those taking Lipowheat-as much as 35% on the arms.
Dermatologists and participants didn’t notice as much of an increase. Although the dermatologists saw an improvement in dryness and redness in most areas of the body, it was not as significant as the corneometry analysis. Participants in both the Lipowheat and placebo groups reported a small increase in hydration.
Hitex believes that the personal perceptions of skin hydration may have been affected by day-to-day humidity, noting that the corneometry analysis is likely more accurate because it is performed in a controlled setting.
Researchers believe using Lipowheat as a supplement, or as an ingredient in beverages and food, could mean longer-lasting hydration than what topical products provide.
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