October 2024 in “Current Issues in Molecular Biology” In this experimental study, the researchers observed that Platycladus orientalis leaf extract promoted hair growth by enhancing dermal papilla cell proliferation and increasing growth factor expression, particularly through ACK1 activation and modulation of Wnt/β-catenin signaling pathways in cultured human cells and a 12-week topical application.
August 2015 in “MOJ proteomics & bioinformatics” This study suggests that epithelial-derived pop-up keratinocytes (ePUKs) may improve regenerative medicine applications due to their specific phenotype and increased expression of proteins involved in regulating cellular movement and wound healing.
May 2009 in “Hair transplant forum international” This review discusses Dr. Gill Westgate's background in hair growth regulation and industry experience, but reports no new findings or results.
April 2026 in “Journal of the Korean Society of Cosmetology” This study found that Limosilactobacillus reuteri NCHBL-005, derived from honeybees, may promote hair growth via a novel non-androgenic mechanism involving the Wnt/β-catenin signaling pathway, as it increased hair follicle size and number in mice and influenced related gene expression in human follicle cells.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study introduces a hypothesis that elevated DHT at puberty may cause chronic thermal stress in specific scalp areas, potentially explaining Androgenetic Alopecia characteristics and guiding future research.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This paper introduces a hypothesis that elevated DHT at puberty may increase cerebral heat output, creating chronic thermal stress linked to androgenetic alopecia, and suggests this could be tested with MR thermometry.
January 2026 in “Current Issues in Molecular Biology” This study found that transfecting alpaca melanocytes with miR-5110 altered gene expression related to pigmentation, specifically identifying pathways like MAPK and Wnt as involved in melanogenesis regulation, providing insights into miR-5110's role in pigmentation processes.
January 2026 in “Molecules” This study found that DHA, a derivative of artemisinin, shows potential as a cosmetic ingredient due to its anti-aging, anti-hair loss, antibacterial, whitening, and anti-glycation activities.
November 2025 in “Journal of Investigative Dermatology” NUL-5 may boost hair growth by improving hair follicle health and structure.
November 2025 in “Pharmacological Research” In this study, researchers found that exosome-like nanoparticles isolated from Polygoni Multiflori Radix can promote hair growth in mice by modulating androgen signaling and gene expression, outperforming Minoxidil in testosterone-induced conditions.
November 2025 in “PROGRESS IN BIOCHEMISTRY AND BIOPHYSICS” This study found that taurine significantly mitigated DHT-induced androgenetic alopecia in male C57BL/6 mice by promoting hair regrowth, enhancing hair follicle cycle progression, reducing apoptosis, and downregulating key androgen-related signaling pathways, highlighting its potential as a therapeutic candidate for hair loss management.
September 2025 in “Journal of the American Academy of Dermatology” Reducing SFRP1 can promote hair growth and may help treat hair loss.
July 2025 in “Journal of Investigative Dermatology” Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.
August 2024 in “Food Bioscience” This study reported that in laboratory conditions, a cell-free supernatant of Bifidobacterium longum BB536 promoted human dermal papilla cell proliferation and reduced damage and apoptosis caused by dihydrotestosterone, suggesting potential use as a preventative treatment for androgenic alopecia by modulating specific signaling pathways.
February 2024 in “Journal of Dermatological Science” This study examined the formation of acquired curved hair and found that the fusion of hair matrix cells during follicle regeneration contributes to asymmetric follicle shapes and curved hair, potentially linked to changes in type IV collagen and protein expression levels.
January 2024 in “Archives of Biological Sciences (Beograd)” This study found that AP collagen peptides can promote hair growth by supporting the health of hair follicle cells, as they stimulate cell proliferation, counteract apoptosis, and enhance antioxidant enzyme expression, suggesting potential as a treatment for hair loss.
September 2023 in “World Rabbit Science” In this study using Angora rabbits, researchers found that the FRZB gene inhibits hair follicle development by modulating the Wnt/β-catenin signaling pathway, affecting the expression of various genes related to this pathway and altering cell proliferation and apoptosis.
July 2023 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” This study found that litchi twig water and ethanol extracts exhibited protective effects against DHT-induced damage in androgenetic alopecia models, suggesting potential for use in hair growth promotion and waste reduction.
June 2023 in “Italian Journal of Medicine” This study found that urotensin II promoted proliferation and VEGF secretion in rat dermal papilla cells by activating the Wnt-β-catenin signaling pathway, with the effect being reversible by a Wnt inhibitor.
Ashwagandha-derived nanoparticles can promote human hair growth.
In a study on hair loss treatment, researchers found that a serum containing Cinchona succirubra extract and caffeine improved hair density and reduced hair loss in individuals with acute telogen effluvium after 16 weeks of use, with significant improvements observable after just 4 weeks.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that JAK1 and JAK2 inhibitors increase β-catenin activity in human hair follicle cells, suggesting an additional therapeutic mechanism for treating severe alopecia areata.
April 2023 in “Journal of Investigative Dermatology” In this clinical study, a serum containing Cinchona succirubra extract and Caffeine significantly improved hair growth and reduced hair loss in subjects with acute telogen effluvium.
April 2023 in “Journal of Investigative Dermatology” This study examined Ashwagandha-derived exosome-like nanoparticles and found that they increased hair growth markers and hair shaft production in human hair follicles ex vivo, suggesting potential for plant-derived exosome therapies in hair loss treatments.
November 2022 in “Journal of Investigative Dermatology” In this study, a serum containing Silybum marianum extract, Manganese PCA, and Lespedeza capitata extract improved hair growth and prolonged the anagen phase in a human scalp skin model.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” This study suggests that combining Silybum marianum extract, Manganese PCA, and Lespedeza capitata extract may help improve hair growth and anchorage by targeting specific signaling pathways in human dermal papilla cells.
August 2021 in “Journal of Investigative Dermatology” This study highlights that stress-induced activation of the HPA axis in human hair follicles can lead to hair growth arrest, but variability in follicle response complicates potential therapeutic approaches.
September 2019 in “Journal of Investigative Dermatology” This study found that co-culturing dermal papilla cells in a 3D structure with adipose-derived stem cells may enhance the expression of hair inductivity markers compared to 2D cultures.
This study found that VB-1, a vitexin compound, may promote human hair follicle growth by enhancing Wnt/β-catenin signaling in dermal papilla cells.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” In a laboratory setting, this study found that Biotrinine® dry extract activated hair follicle growth pathways and increased certain growth factor secretions in human dermal papilla cells, suggesting potential benefits for treating chronic hair loss.