January 2023 in “Pharmaceutics” In this study, researchers developed a new topical atraric acid formulation, AA-TF#15, which showed a significantly higher drug penetration and increased hair regrowth in mice compared to minoxidil and finasteride treatments, suggesting its potential effectiveness for treating scalp androgenic alopecia.
14 citations
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February 2021 in “International Journal of Pharmaceutics” In this study, applying deer antler velvet extract-loaded niosomes and microspicules serum to the scalp significantly improved hair growth, melanin content, and skin hydration over 14 to 30 days without causing skin irritation.
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.
February 2024 in “Pharmaceutical research” In this in silico study, researchers found that the hair follicle's contribution to dermal permeability of small molecules varies with the lipophilic and hydrophilic properties of substances, highlighting the need for careful characterization of substances filling the follicular route when interpreting experimental permeability data.
111 citations
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August 1998 in “Journal of Investigative Dermatology” This study found that human epidermal keratinocytes express a functional μ-opiate receptor at both the mRNA and protein levels, potentially playing a role in skin physiology and pathology.