60 citations
,
May 2014 in “British Journal of Dermatology” This study found that caffeine enhanced hair growth and keratinocyte proliferation in human hair follicles, with female follicles showing greater sensitivity than male ones.
11 citations
,
January 1992 in “PubMed” In this study, the researchers found distinct patterns of TGF-beta 1 and IGF-II expression in pig fetal subcutaneous tissue, suggesting specific regulatory roles in developing adipocytes and muscle tissue.
4 citations
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April 2012 in “Asian-australasian Journal of Animal Sciences” This study found that applying deer antler extract to rat skin wounds enhanced hair growth and increased IGF-I expression, suggesting potential use in hair growth products.
29 citations
,
January 2016 in “Disease Markers” This study found that IGF-I and survivin may play a role in the pathogenesis of active acne vulgaris and postinflammatory acne scars, with a significant correlation between their serum levels.
29 citations
,
March 2011 in “The Journal of Nutritional Biochemistry” Eating isoflavone can help mice grow hair by increasing a growth factor.