5 citations
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January 2004 in “Annals of Dermatology” People with androgenetic alopecia (AGA) have lower hair density and more single-hair units compared to those with normal scalps.
5 citations
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March 2017 in “Laser Physics Letters” Different scalp imaging methods are important for studying hair and scalp health and require more volunteers for better evaluation.
1 citations
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October 2023 in “Journal of plastic, reconstructive & aesthetic surgery” Stem cell-derived conditioned medium is effective in improving hair density and thickness for alopecia treatment.
1 citations
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November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
Fructus Ligustri Lucidi water extract helps hair growth by promoting cell survival and activating specific pathways.
June 2024 in “Nature Cell and Science” The Scalp Coverage Scoring method reliably measures hair density from images.
January 2022 in “Journal of Cosmetics, Dermatological Sciences and Applications” The serum increased hair density and was well-tolerated, but didn't affect hair thickness or shedding.
January 2019 in “Durham e-Theses (Durham University)” Less stiff collagen promotes higher cell growth in hair follicles.
August 2025 in “Revista Contemporânea” Combinar microagulhamento com óleos essenciais pode ajudar no crescimento do cabelo em homens.
January 1974 in “Almogaren” A new method shows promise for regenerating hair follicles to treat hair loss.
January 2013 in “프로그램북(구 초록집)” Adipose stem cell-conditioned media improved hair density and thickness in women with hair loss.
1 citations
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July 2005 in “Informa Healthcare eBooks” Hair follicles could be used for targeted drug delivery, with liposomal systems showing promise for this method.
182 citations
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December 2007 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles significantly increase the speed and amount of caffeine absorbed through the skin.
January 2023 in “Surgical & Cosmetic Dermatology” Combining intradermotherapy with microneedling and a topical solution reduces hair loss more effectively than intradermotherapy alone.
3 citations
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October 2015 in “International Journal of Dermatology” Normal hair density and diameter ratios were established to help diagnose adult hair loss.
Culturing hair follicles at the air-liquid interface with minoxidil significantly boosts hair growth and preserves the root sheath.
1 citations
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April 1998 in “PubMed”
February 2026 in “Journal of the Korean Society of Cosmetology” The ampoule significantly improves hair density, thickness, and usability without side effects.
October 2025 in “COGNITIONIS Scientific Journal” Postpartum hair loss is common, temporary, and linked to hormonal changes, stress, and nutrition.
10 citations
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January 2012 in “Journal of biomedical optics” Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.
September 2020 in “Revista da Sociedade Portuguesa de Dermatologia e Venereologia” The document's conclusion cannot be provided because the document is not accessible or not in a readable format.
1 citations
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January 2017 in “Springer eBooks” Hair follicles are important for drug delivery through the skin, but better methods are needed to understand and improve this process.
26 citations
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December 2009 in “Laser Physics” Caffeine from shampoo penetrates hair follicles quickly and stays for at least 24 hours.
9 citations
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January 1989 in “Sen'i Gakkaishi” Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
GPC1 is important for hair growth by helping blood vessels form around hair follicles.
1 citations
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July 2005 in “Drugs and the pharmaceutical sciences” Targeting drugs to hair follicles can treat skin conditions, but reaching deep follicle areas is hard and needs more research.
2 citations
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September 2017 in “Plastic and Aesthetic Research” Healthy Han Chinese have lower hair density than whites and Africans, and transplanting 300 hair units can nearly restore normal hair density.
9 citations
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January 2015 in “Springer eBooks” Using hair follicles can improve skin drug delivery.
October 2019 in “Zenodo (CERN European Organization for Nuclear Research)” Capilcep effectively promotes hair growth and is safe, but long-term effects need more research.
90 citations
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July 1993 in “Journal of Investigative Dermatology”