128 citations
,
October 2011 in “Development” Activating a protein called β-catenin in adult skin can make it behave like young skin, potentially helping with skin aging and hair loss.
52 citations
,
May 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” Parathyroid hormone-related protein helps control hair growth phases in mice.
6 citations
,
November 1960 in “Experimental Biology and Medicine” Hair growth stages don't significantly change lipid content in mouse skin.
5 citations
,
January 1961 in “PubMed” Cholesterol and phospholipids increase in mouse skin during cancer development, with differences between male and female skin.
3 citations
,
February 2005 in “Aktuelle Dermatologie” Prolactin and TGF-β receptor blockers might help treat hair loss.
25 citations
,
October 1975 in “Journal of Cutaneous Pathology” Hair growth in alopecia areata is hindered due to impaired cell activity in the surrounding tissue.
94 citations
,
August 1975 in “Journal of Cutaneous Pathology” Male pattern baldness involves smaller hair follicles, larger oil glands, and other tissue changes, but not major blood supply issues.
6 citations
,
March 2019 in “The American Journal of Dermatopathology” Amyloid deposits linked to a type of protein may cause a unique pattern of hair loss by disrupting hair growth cycles.
July 2020 in “Experimental Dermatology” Aging causes hair thinning in women due to changes in the scalp environment.
277 citations
,
July 2011 in “Journal of the Dermatology Nurses’ Association” The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.
62 citations
,
January 2000 in “Developmental dynamics” Notch-related genes play a key role in the development and cycling of hair follicles.
50 citations
,
December 2010 in “Dermatologic Surgery” Laser treatment can stimulate hair growth for male pattern hair loss.
46 citations
,
November 2007 in “Gene Expression Patterns” Trps1 plays a key role in hair follicle development and cycling.
28 citations
,
November 2020 in “Journal of Controlled Release” A new hair loss treatment uses tiny needles to deliver a drug-loaded lipid carrier, promoting hair growth more effectively than current treatments.
10 citations
,
January 2014 in “Genetics and Molecular Research” Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.
7 citations
,
June 2012 in “Journal of dairy science” Bovine milk fats applied to mouse skin can promote hair growth similar to known hair growth treatments.
7 citations
,
January 1981 in “Springer eBooks” The document concludes that hair biology is complex and there are still unanswered questions about hair loss and follicle changes.
6 citations
,
January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
6 citations
,
January 2009 in “Elsevier eBooks” The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.
2 citations
,
September 1980 in “Experientia” Polyethylene alanine caused hair loss in young lab animals but not in adults, with hair regrowth occurring within 20 days.
1 citations
,
March 2019 in “Hygiene and Sanitation” Heavy metals can damage skin and hair in mice.
January 2007 in “Strait Pharmaceutical Journal” Water-soluble minoxidil effectively promoted hair growth in mice.
November 2023 in “Materials Today Bio” The new treatment using nanoparticles with ISX9 can effectively regrow hair without major side effects.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
15 citations
,
October 1999 in “British Journal of Dermatology” Collagen remodeling is more active during hair growth stages.
12 citations
,
September 2018 in “Journal of Drug Delivery Science and Technology” The silk fibroin hydrogel with FGF-2-liposome can potentially treat hair loss in mice.
4 citations
,
April 2019 in “Cell Stem Cell” Certain immune cells in the skin can stop hair from growing.
April 2017 in “Journal of Dermatological Science” Zinc deficiency disrupts hair growth and regeneration, but can be reversed with zinc supplementation.
January 2014 in “Journal of Investigative Dermatology” Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.
September 2004 in “PubMed” Hair grows in three stages: growing, transition, and resting.