13 citations
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April 2002 in “International Journal of Toxicology” This review discusses the use of human and animal-derived placental and umbilical extracts in cosmetics, highlighting insufficient data to establish their safety and recommending they should not have metabolic or endocrine activity.
November 2024 in “Applied Sciences” This study suggests that while some evidence indicates potential efficacy of placental products for hair growth and inhibiting hair loss, the current scientific evidence is scarce and of low quality.
21 citations
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June 2003 in “Journal of Morphology” This study suggests that the epidermis of monotremes and marsupials exhibits a more primitive pattern of protein distribution compared to eutherian mammals, with differences in loricrin distribution and keratinocyte maturation.
21 citations
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June 2022 in “Pharmaceutics” This study found that bioactive extracts from goat placenta, particularly when delivered via dissolving microneedles, enhanced fibroblast proliferation and skin regeneration without being toxic to skin cells, suggesting a promising dermal application for improving skin health.
16 citations
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May 2000 in “Endocrinology” This study identified a new gene, mrp4, in mice, which suggests it may have a unique role in the growth and development of hair follicles in the ears and tails.
