Ongoing research reveals that multifloral honey is a promising candidate for protecting human skin cells from premature aging and cell damage caused by UV radiation, with the potential for developing future clinical and cosmetic applications, according to a July 9 report.
Honey is already well known in the medical and cosmetic industries for its antioxidant, antimicrobial, anti-inflammatory, and wound-healing properties, and sterile honey-derived medical products already exist in the form of dressings, gels, and ointments for burns and difficult-to-heal wounds.
"I have always been interested in the fact that certain honeys, such as Manuka honey, are used in medical-grade applications," said Dr. Fikiye Fulya Kavak, a member of Prof. Margherita Maioli's research team at the University of Sassari, Italy. "This led me to ask whether high-quality multifloral honey could also show measurable protective effects for human skin cells."
Prof. Maioli's team aimed to investigate whether honey could protect human skin cells from UV damage, promote cell recovery, and prevent skin aging while also exploring which molecular and genetic mechanisms might be involved. For this investigation, the team grew cultures of various human skin cells—including stem cells, fibroblasts, and keratinocytes—in a bioreactor system simulating physiological conditions. Some cultures were treated with 1% multifloral honey before being exposed to UV radiation; responses were then compared between treated and untreated groups.
The study found that pretreatment with 1% multifloral honey supported a protective response against UV-induced stress in both skin stem cells and fibroblasts. Honey treatment reduced nitric oxide release while increasing antioxidant capacity under stress conditions. Genetic analysis indicated that honey helped regulate cell proliferation signals as well as increased expression of genes related to cellular protection after UV exposure.
"What was particularly interesting was that honey seemed to help the cells find a healthier balance after UV stress," said Kavak. "Rather than pushing the cells into an exaggerated repair response, it appeared to support protective mechanisms while keeping renewal-related signals under control." The research is ongoing as protein-level validation studies continue.
While these findings suggest promising future applications in medicine or cosmetics—such as new formulations or nanofiber-based delivery systems—the researchers caution against considering multifloral honey as an alternative to sunscreen or clinical treatments at this stage: "Our study was performed in cell-based experimental models, not in humans... further laboratory, preclinical, and clinical studies are needed before any practical recommendation can be made," said Kavak.
