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December 2011 in “Annales de Dermatologie et de Vénéréologie” 2011 dermatological research found new skin aging markers, hair loss causes, skin defense mechanisms, and potential for new treatments.
November 2025 in “Frontiers in Nutrition” Olive leaf extract may help reduce aging signs in postmenopausal women.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
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November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.
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February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
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June 2009 in “Journal of the European Academy of Dermatology and Venereology” Basement membrane changes in lichen planopilaris cause scarring and permanent hair loss.
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August 1981 in “PubMed” Trichilemmal keratinization is a unique process in hair follicles where the outer root sheath turns into keratin without a specific layer.
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July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
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January 2018 in “Indian Dermatology Online Journal” A brown shadow seen in dermoscopy is a marker for lichen nitidus.
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September 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Basal stem cells in the skin have distinct types that are crucial for skin structure and health.
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October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.
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July 1994 in “The Journal of Cell Biology” Basonuclin helps keratinocytes multiply and prevents them from fully maturing.
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January 1986 Involucrin is crucial for skin cell maturation and protection.
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June 2013 in “The Journal of Pathology” Lichen planopilaris may be an autoimmune disease causing hair loss due to immune system issues in hair follicles.
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September 2012 in “Cell & tissue research/Cell and tissue research” pCLCA2 protein may help maintain skin structure and function.
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November 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Transplantation is effective for stable leucoderma but not for progressive, widespread vitiligo vulgaris.
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December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
The hair lotion from Ganoderma lucidum extract effectively promotes hair growth and reduces hair loss.
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December 2008 in “Stem Cells” Hair follicle stem cells can become corneal-like cells, potentially helping restore vision.
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August 2012 in “Cell Stem Cell” The study showed that some hair follicle stem cells wake up to grow hair while others stay asleep, and that the environment around them is important for hair growth.
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January 2016 in “Dermatology online journal” Some people with lichen planus pigmentosus might later develop frontal fibrosing alopecia.
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July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
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November 1958 in “The Journal of Cell Biology” A unique skin cell similar to hair bulb melanocytes was identified, with better preservation using permanganate fixation.
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November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
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May 2016 in “Matrix Biology” Deleting a specific protein in skin cells disrupts normal hair growth and development.
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June 2018 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” Laminin-511 may contribute to psoriasis by affecting skin cell growth and survival.