69 citations
,
January 2002 in “Journal of biomedical optics” Dyes can penetrate human skin and hair follicles up to 1.2 mm deep and the sebaceous gland can store dye; Indocyanine Green lotion was made for safe dyeing and monitoring.
14 citations
,
September 2019 in “Forensic Science International Genetics” Hair keratin proteins can be reliably identified in hair as short as 0.12 cm, with 0.5 to 2 cm being the best length for analysis.
June 2020 in “Journal of cosmetic medicine” A good hair transplant is judged by various factors including cosmetic appearance, hair angles, complication signs, and donor scar consideration.
3 citations
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September 2021 in “Journal of Food Science and Nutrition” Red Ginseng Extract helps hair grow and improves skin health by stimulating cell growth and enhancing the body's antioxidant defense system.
4 citations
,
March 2022 in “BioEssays” Hydra can help understand human hair follicle microbiomes and develop new skin disease therapies.
1 citations
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May 2012 in “Hair transplant forum international” Hair loss in men may be caused by inflammation triggered by hormones, and treatments reducing inflammation could potentially promote hair growth.
42 citations
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June 2019 in “Aging” 3,4,5-tri-O-caffeoylquinic acid promotes hair growth by activating the β-catenin pathway.
3 citations
,
January 2022 in “Pharmaceutics” Nanostructured delivery systems could potentially improve hair loss treatment by targeting drugs to hair follicles, reducing side effects and dosage, but the best size, charge, and materials for these systems need further investigation.
2 citations
,
July 2022 in “Cell Regeneration” Understanding hair growth involves complex factors, and more research is needed to improve treatments for hair loss conditions.
2 citations
,
January 2022 in “Clinical, Cosmetic and Investigational Dermatology” The refined wash test is a reliable way to measure daily hair loss and can tell the difference between different types of hair loss.
4 citations
,
January 2017 in “PubMed” Epidermal growth factor helps stem cells heal wounds and regenerate hair follicles faster.
11 citations
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May 2022 in “Chinese medicine” Alpinetin helps grow hair by turning on hair stem cells and is safe for use.
April 2026 in “International Journal of Molecular Sciences” Wnt signaling is crucial for skin, hair, and nail health and regeneration.
January 2026 in “Aesthetic Plastic Surgery” The severity of female pattern hair loss is linked to how long someone has had it, not to levels of certain nutrients or hormones.
4 citations
,
January 2021 in “Cell transplantation” Scientists found the best time to transplant human stem cells for hair growth is between days 16-18 when they have the right markers and growth potential.
1 citations
,
December 2022 in “Current Issues in Molecular Biology” Annurca apple extract improved hair growth in mice and could potentially prevent hair loss.
74 citations
,
October 2023 in “Nature Reviews Molecular Cell Biology”
68 citations
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May 2016 in “Experimental dermatology” FFA's causes may include environmental triggers and genetic factors.
September 2025 in “PubMed” Combining microneedling with drugs and stem cells shows promise for improving hair growth in androgenetic alopecia.
January 2024 in “Pan African Medical Journal” Non-scarring hair loss is common in lupus patients and can be diagnosed with specific hair and tissue tests.
July 2023 in “JAAD International” Two drugs, finasteride and minoxidil, are approved for hair loss treatment, but new therapies are being developed.
14 citations
,
August 2017 in “International Journal of Immunopathology and Pharmacology” Photodynamic therapy improved skin issues from sorafenib when other treatments failed.
July 2025 in “International Journal of Molecular Sciences” Blocking CXCL12 can reverse hair loss and fibrosis in androgenetic alopecia.
January 2026 in “Journal of Biosciences and Medicines” Androgenetic alopecia treatments focus on reducing hair loss by targeting hormones, with new therapies showing promise but needing more research.
A high neutrophil-to-lymphocyte ratio may predict poor response to hair loss treatment.
January 2026 in “Experimental Dermatology” Keratinocytes contribute to hidradenitis suppurativa by causing inflammation and worsening the condition.
August 2023 in “International Journal of Molecular Sciences” Human skin xenografting could improve our understanding of skin development, renewal, and healing.
August 2021 in “Annals of Agricultural and Environmental Medicine” The article concludes that understanding Frontal Fibrosing Alopecia (FFA) is crucial for effective treatment, which includes medication like 5α-reductase inhibitors and hydroxychloroquine.
May 2025 in “International Journal of Cosmetic Science” Caffeine and adenosine in shampoo may boost hair growth and change scalp microbes and lipids.
April 2023 in “Advanced functional materials” The study created a tool that mimics natural cell signals, which increased cell growth and could help with hair regeneration research.