January 2012 in “Journal of the Dermatology Nurses’ Association” The document explains hair growth, hair loss types, and other hair-related terms.
June 2004 in “Dermatologic Surgery” Dr. Walter P. Unger suggests that copying a person's natural hair direction and angle during transplants leads to a more natural and fuller appearance.
96 citations
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January 1940 in “Journal of Endocrinology” Complete adrenal removal causes more hair loss in rats than partial removal.
1 citations
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September 2021 in “Gynäkologische Endokrinologie” Hair loss has many causes, so treatment varies.
June 2015 in “The American journal of dermatopathology/American journal of dermatopathology” The study found that a one-step antibody method is better than the LSAB method for accurately studying hair follicle structures without false positives.
11 citations
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September 2021 in “Skin Appendage Disorders” Hair count values should be standardized for each scalp region to evaluate hair disorders in Asians.
June 2021 in “International journal of research in dermatology” A boy and his father with hereditary hypotrichosis simplex were treated for hair loss, but the treatment result is unknown.
25 citations
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October 1975 in “Journal of Cutaneous Pathology” Hair growth in alopecia areata is hindered due to impaired cell activity in the surrounding tissue.
1 citations
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May 2024 in “PubMed” Dermal fat helps control hair growth, but more research is needed.
21 citations
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June 1992 in “Pediatric Dermatology” Eruptive vellus hair cysts are often underreported and need histologic confirmation for accurate diagnosis.
36 citations
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July 1996 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice with the 'lanceolate hair' mutation have abnormal hair and skin similar to human Netherton's syndrome.
January 2015 in “Journal of clinical and investigative dermatology” Clipping is the best method to prepare rats for studying hair loss from chemotherapy because it causes less skin damage and effectively gets hair to the right growth phase.
19 citations
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October 2017 in “The FASEB Journal” Male hormones cause different growth in identical human hair follicles due to their unique epigenetic characteristics.
4 citations
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April 1989 in “The Journal of Dermatology” Trichohyalin granules help inner root sheath cells in hair follicles harden by integrating with keratin filaments.
November 2022 in “Hair transplant forum international” The long hair preview technique in body hair transplantation offers high-quality, natural results.
2 citations
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October 2022 in “Journal of structural biology” Older thin hair is not just thinner but also has different shape, structure, and stiffness.
37 citations
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April 1977 in “Journal of Cutaneous Pathology” Skin biopsy can help diagnose hair loss from trichotillomania.
3 citations
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January 1966 in “PubMed”
32 citations
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December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
72 citations
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November 2002 in “Journal of Investigative Dermatology” Estrogen receptor α controls hair growth cycles and skin thickness in male mice.
Hirsutism is excessive male-pattern hair growth in women, often treated cosmetically or with hormone therapy if contraception is also desired.
4 citations
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July 2010 in “International Journal of Cosmetic Science” Curved human hair has different structures on its convex and concave sides.
4 citations
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February 2019 in “Journal of Cutaneous Pathology” The marker 5-hmC changes in hair follicle stem cells when they start to grow.
8 citations
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October 2021 in “European Journal of Dermatology” Wounds heal faster in the anogenital/inguinal area than in the axillary area after surgery for hidradenitis suppurativa.
Mutations in the hairless protein gene cause hair loss.
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Non-invasive methods can effectively monitor hair growth cycles, aiding hair loss treatment development.
56 citations
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February 2012 in “Developmental biology” Sostdc1 controls the size and number of hair and mammary gland structures.
78 citations
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November 2005 in “Endocrinology” Hairless protein can block vitamin D activation in skin cells.
86 citations
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February 2012 in “Journal of Clinical Investigation” Stem cells in hair follicles are diverse and change throughout the hair cycle.
November 2024 in “Image Analysis & Stereology” The method improves hair image segmentation accuracy while reducing annotation costs.