5 citations,
October 2022 in “Frontiers in bioengineering and biotechnology” Ro stress hindered ginseng root growth and ginsenoside production, but increased certain hormones and affected gene regulation related to plant growth and stress responses.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
10 citations,
June 2019 in “Cosmetics” Mixed-race individuals have hair with varied shapes and more root damage.
Caffeine in Alpecin shampoo may help prolong hair root activity and reduce hair loss.
10 citations,
December 2021 in “Frontiers in cell and developmental biology” Glypican-1 is important for blood vessel growth in hair follicles and could help treat hair loss.
4 citations,
June 2022 in “Journal of Cosmetic Dermatology” Multi-peptide factors from fibroblasts may stimulate hair growth by increasing growth factors and β-catenin in hair cells.
January 2022 in “Biomedical Reports” Inaudible sound at 30 kHz can boost hair growth and decrease hair loss by promoting cell growth and reducing cell death in hair follicles.
38 citations,
October 1988 in “Clinics in Dermatology” Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
6 citations,
June 1976 in “Journal of ultrastructure research” Keratinized wool cells still have some organelles like lysosomes and mitochondria.
2 citations,
March 2019 in “Journal of Histochemistry and Cytochemistry” Neuronatin is found in specific cells within rat testis, hair follicles, tongue, and pancreas, suggesting it has various roles in tissue development and function.
1 citations,
June 2006 in “Experimental dermatology” The conclusion suggests that early signs of hidradenitis suppurativa may start in the hair follicle, with genetic and immune factors playing a role, highlighting the need for more research on the hair follicle's immune system.
April 2012 in “Informa Healthcare eBooks” The document concludes that diagnosing hair loss requires evaluating multiple histological features, as no single feature is definitive on its own.
February 2024 in “Journal of Dermatological Science” Curved hair can develop when hair cells merge abnormally during growth.
June 2023 in “Biochimica and biophysica acta. Molecular and cell biology of lipids” Impaired ABCA5 activity disrupts cholesterol balance in hair follicle cells, affecting hair growth.
October 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Neuronatin is found in various cells of rat tissues and has a unique location in sperm cells.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” 17β-estradiol may help hair growth by increasing cannabinoid receptor type 1.
56 citations,
November 1993 in “Journal of The American Academy of Dermatology” Capsaicin cream quickly relieved itching in two patients with brachioradial pruritus.
30 citations,
December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” Steroids, particularly estrogens and 5α-reductase inhibitors, affect blood vessel-related hair growth processes in hair follicle cells.
11 citations,
January 2012 in “Journal of cell science” Rac1 is essential for proper hair structure and color.
4 citations,
December 1997 in “Clinical Endocrinology” Spironolactone may help reduce hair loss in androgenic alopecia.
19 citations,
February 2023 in “Environmental and experimental botany” Jasmonic acid helps plants grow, defend against threats, and survive stressful conditions like drought and salt.
1 citations,
March 2014 in “Applied Microscopy” CK19 and Vimentin are proteins found in rat skin that help with skin renewal and maintaining cell structure.
November 2022 in “Journal of Investigative Dermatology” Growth hormone-releasing hormone (GHRH) boosts hair growth and human scalp hair follicles have their own growth hormone system.
2 citations,
March 2018 in “The Journal of Dermatology” The "color-transition sign" helps tell apart alopecia areata incognita from telogen effluvium by looking at hair color changes.
November 2023 in “Periodontology 2000” Injectable platelet-rich fibrin has improved healing and regeneration in various medical fields and can be more effective than previous treatments.
1 citations,
February 2023 in “Drug Design Development and Therapy” Plant adaptogens may help treat skin diseases and improve skin health, but more research is needed to fully understand how they work.
1 citations,
July 2012 in “Nasza Dermatologia Online” CCCA may be caused by both hair traction and an immune response.
13 citations,
September 2021 in “Current Issues in Molecular Biology” Dexpanthenol helps human hair follicle cells grow by preventing aging and death, and by supporting growth signals.
4 citations,
January 2019 in “Micron” Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
February 2010 in “Journal of The American Academy of Dermatology” Mimicking growth factors in a topical solution can prolong hair growth phase and reduce hair loss without side effects.