Carnosic Acid in Topical Rosemary Extract Enhances Skin Repair via TRPA1 Activation
October 2025
in “
JCI Insight
”
Studysummary In a mouse model, this study found that an ethanol-based rosemary extract speeds up wound healing and reduces scarring by activating the TRPA1 nociceptor in sensory neurons, with carnosic acid identified as a key component.
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