Study finds CBD may help protect against ultraviolet-A radiation, which can age the skin and possibly lead to skin cancer
A study led by researchers from the George Washington University School of Medicine and Health Sciences, in collaboration with the Center for Clinical and Cosmetic Research in Aventura, Florida, has found evidence that CBD may help protect against ultraviolet-A radiation, which can age the skin and possibly lead to skin cancer. And this time list year we were wondering if the CBD craze was over.
This small clinical trial asked the question of whether CBD’s time in the spotlight was coming to an end, involved 19 participants who applied either a nano-encapsulated CBD cream or the same cream without CBD to spots on the skin of the buttocks twice daily for 14 days. After this the treated skin areas were exposed to up to three times the amount of ultraviolet radiation needed to burn/injure the skin. After 24 hours, skin biopsies were taken for detailed analysis to assess for cellular and DNA damage associated with UVA exposure.
“This innovative trial is the first to establish the potential protective capacity of CBD, when purposefully delivered, in humans against the harmful effects of UVA radiation, both validating and marking a significant advancement in the field of cannabinoid based skin care,” said Adam Friedman, professor and chair of dermatology at the GW School of Medicine and Health Sciences, in a statement.
Twenty-one percent of participants showed less redness on the CBD-treated skin compared to control-treated skin at 24 hours after exposure. Skin thickening on biopsies, which would be caused by sun exposure, was significantly reduced in the CBD-treated skin compared to controls, suggesting the possibility that CBD acts as a prevention against UVA skin cell injury. Most importantly, application of CBD cream was associated with reduced DNA damage and DNA mutations associated with UVA-induced skin aging/damage and skin cancer.
“These findings will hopefully reinvigorate research efforts and investment in translating the preclinical knowledge we have on the impact of CBD in the skin to many areas within dermatology and beyond,” Friedman said.
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