July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists created a detailed map of gene activity in different parts of human hair follicles.
October 2020 in “Research Square (Research Square)” Aging-related changes in hair follicle stem cells can be partially reversed with a specific treatment.
March 2023 in “Advances in Cosmetic Surgery” Exosomes, tiny cell-released particles, may help hair growth, but their exact role is unclear, they're not FDA-approved, and their unregulated use can cause side effects.
75 citations
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November 1965 in “Textile research journal” Papain and bisulfite break down human hair by dissolving parts of it.
32 citations
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March 2008 in “SKINmed Dermatology for the Clinician” Accurate diagnosis and tailored treatment are crucial for managing complex hair loss conditions.
22 citations
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June 2013 in “Australasian Journal of Dermatology” Early stage bald spots are linked to skin inflammation and damage to the upper part of the hair follicle.
15 citations
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August 2010 in “Annals of saudi medicine/Annals of Saudi medicine” Hair tourniquet syndrome is a rare condition where hair wraps around an infant's body part, needing quick removal to prevent damage.
1 citations
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June 2023 in “Journal of applied crystallography” The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
September 2019 in “Journal of Investigative Dermatology” Apple stem cell extract may increase the number of stem cells in a part of the hair follicle.
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
More hair-loss studies are needed with standardized outcomes and diverse participants.
June 2026 in “British Journal of Dermatology” Long-term exposure to air pollution may increase the risk of hair loss.
June 2026 in “JAAD International” Long-term exposure to air pollution increases the risk of hair loss.
August 2025 in “Journal of Affective Disorders” Gender-diverse people face more depression and anxiety, partly due to stress and lower cortisol levels.
July 2025 in “SKIN The Journal of Cutaneous Medicine” Adding dupilumab led to almost complete hair regrowth in a patient with alopecia areata who only partially responded to baricitinib.
January 2024 in “Biochemical and Biophysical Research Communications” Lack of zinc can cause hearing loss by damaging important parts of inner ear cells in mice.
January 2023 in “Theranostics” A patch with curcumin-zinc can improve hair growth and health by delivering beneficial particles to the skin, increasing hair follicles, and reversing effects of a hair loss hormone.
August 1989 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” The research provided a detailed view of the non-keratinous parts of human hair fibers.
October 2025 in “International Journal of Cosmetic Science” Hair properties vary by ethnicity and environment, affecting surface charge and particle deposition.
51 citations
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January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
7 citations
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December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
November 2019 in “Journal of Aesthetic Nursing” The article concludes that a thorough diagnosis and treatment plan, including medications, non-invasive methods, or surgery, is important for managing hair loss, with a combination of minoxidil and finasteride being particularly effective.
39 citations
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February 1990 in “The journal of cell biology/The Journal of cell biology” Trichohyalin, a hair follicle protein, has a part with repeating patterns of 23 amino acids.
28 citations
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January 2012 in “Case Reports in Medicine” Hair-thread Tourniquet Syndrome, where hair or thread tightly wraps around a body part, is not rare and requires early detection to prevent serious damage.
26 citations
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April 1999 in “Dermatologic Clinics” The long-pulsed alexandrite laser is effective for hair reduction, particularly for light-skinned individuals with dark hair, but caution is needed for darker skin.
15 citations
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August 1985 in “Archives of dermatology” Tretinoin lotion can remove hair casts, which come from a specific part of the hair follicle and can be classified into two types.
11 citations
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March 2006 in “Journal of medical ethics” PRP injections may be an effective treatment for severe hair loss.
7 citations
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September 1977 in “PubMed” A new technique called hair-lifting was introduced to treat male-pattern baldness and can also give a partial face-lift.
6 citations
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August 1985 in “Archives of dermatology” A lotion helped remove hair casts, which seem to come from a specific part of the hair follicle, and patients with hair casts can be grouped based on the cause.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.