Hedgehog signaling can create new hair follicles in adult skin but may increase cancer risk.
Hedgehog signaling can create new hair follicles but may also cause tumors.
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May 2022 in “Chinese medicine” Alpinetin helps grow hair by turning on hair stem cells and is safe for use.
18 citations
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April 2014 in “Stem cells” The study found stem cells in minor salivary glands that can differentiate and are involved in tumor formation when exposed to tobacco.