520 citations,
February 2001 in “Journal of Clinical Investigation” VEGF helps hair grow and determines follicle size by increasing blood vessel growth.
36 citations,
March 2011 in “Nature Communications” Cells from a skin condition can create new hair follicles and similar growths in mice, and a specific treatment can reduce these effects.
15 citations,
January 2015 in “Skin Pharmacology and Physiology” Parathyroid hormones are important for hair growth, but their use in treating hair loss from chemotherapy is still uncertain.
6 citations,
May 2022 in “Frontiers in physiology” Injecting CHIR-99021 into goose embryos improves feather growth by changing gene activity and energy processes.
June 2021 in “Aesthetic Surgery Journal” PRP improves hair growth in AGA, but higher concentrations aren't significantly better than lower ones.
6 citations,
May 2021 in “Aesthetic Surgery Journal” Higher cell number PRP improves hair density and diameter more than lower cell number PRP.
5 citations,
April 2021 in “Frontiers in Pharmacology” Using minoxidil-coated microbubbles with ultrasound significantly boosts hair growth.
Skin stem cells in hair follicles are important for touch sensation.
Hair follicle stem cells are crucial for touch sensation and proper nerve structure in mice.
3 citations,
August 2023 in “Genes” The document concludes that various signaling pathways and genetic factors are crucial for chicken feather development, affecting poultry quality.
70 citations,
February 2017 in “Dermatologic Surgery” Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.
33 citations,
August 2018 in “Facial Plastic Surgery Clinics of North America” The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.
397 citations,
February 2004 in “British Journal of Dermatology” Minoxidil boosts hair growth by opening potassium channels and increasing cell activity.
43 citations,
March 2006 in “Seminars in Cutaneous Medicine and Surgery” Different types of hair loss have unique features under a microscope, but a doctor's exam is important for accurate diagnosis.
36 citations,
November 2009 in “European Radiology” The study found that women with PCOS have more and larger ovarian follicles and differences in ovarian structure, but these features alone can't always diagnose PCOS.
January 2009 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Lasers and light treatments are now the most common ways to remove hair.
43 citations,
May 2011 in “Dermatologic Therapy” Recognizing the different stages of alopecia areata is crucial for accurate diagnosis and treatment.
32 citations,
June 2015 in “PLOS ONE” Olive leaf compound oleuropein helps grow hair in mice.
22 citations,
June 2002 in “Seminars in cutaneous medicine and surgery” Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.
2 citations,
March 2018 in “Biotechnology Letters” Scientists created a new cell line from Cashmere goat hair and found that cytokeratin 13 is a unique marker for certain skin cells.
14 citations,
April 2000 in “Animal Science/Animal science” Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.
20 citations,
February 1985 in “Archives of Dermatology” Minoxidil helps hair regrowth, especially with more indeterminate hairs.
18 citations,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
6 citations,
August 2020 in “Journal of Pharmaceutical Innovation” Nanoemulgel improves hair growth and quality using finasteride without irritation.
47 citations,
August 2016 in “Fitoterapia” Some herbs and their components might help treat hair loss by affecting various biological pathways, but more research and regulation are needed.
33 citations,
May 2006 in “Journal of Investigative Dermatology” PTHrP and its receptor can control blood vessel growth and hair development in mouse skin.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
15 citations,
October 2020 in “European journal of pharmaceutics and biopharmaceutics” Caffeine penetrates skin quickly through open hair follicles, but less through closed ones, with levels becoming equal after 22 hours.
Some plant-based ingredients may help with hair growth and care, but more research is needed to confirm their effectiveness.
July 1971 in “The journal of nutrition/The Journal of nutrition” Higher quality and quantity of protein lead to better body and hair growth in rats.