January 2008 in “한국미용학회지” Chamaecyparis obtusa oil effectively stimulates hair growth.
January 2006 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” Rubus coreanum may help hair growth but not through the tested mechanisms, and none of the herbal extracts help with acne.
January 2005 in “Chinese Journal of Veterinary” Hairless mice lose hair by 3-4 weeks, develop thicker, folded skin, and show pigmentation differences.
May 2004 in “International Journal of Cosmetic Science” Melanogenesis inhibitors like kojic acid and niacinamide can reduce inflammation and pigment production in skin cells.
September 1997 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Anti-IL-1 treatments might help with certain types of hair loss in people with high inflammation.
DHT, not testosterone, mainly affects hair growth and related conditions.
A black Doberman with hair loss improved partially with omega-3/omega-6 treatment.
January 1991 in “Journal of Society of Cosmetic Chemists of Japan” Hair treatments can damage hair by changing its chemical content.
Hair germ cells differ from epidermal cells in keratin expression, and specific keratins form after hair differentiation.
April 2023 in “Journal of Investigative Dermatology” Exosomes from certain stem cells can fight hair loss by promoting hair growth and maintaining the growth phase of hair.
April 2023 in “Journal of Investigative Dermatology” cp-asiAR may effectively treat hair loss by targeting androgen receptors.
November 2022 in “Molecular Pharmaceutics” cp-asiAR may effectively treat androgenetic alopecia by promoting hair growth and reducing androgen receptor activity.
October 2021 in “Plastic and reconstructive surgery. Global open” Adipose-derived stem cells may help treat hair loss.
February 2019 in “Chin J Injury Repair and Wound Healing(Electronic Edition)” Porcine acellular dermal matrix helps hair growth by boosting specific proteins and signals.
February 2015 in “American journal of medical and biological research” Balding hair follicles have less growth-promoting factors and more inhibitory factors, leading to hair loss.
April 2012 in “The Journal of Urology” Early baldness increases prostate cancer risk, radiotherapy and surgery have similar second cancer rates, and ALA may reduce prostate cancer risk.
161 citations
,
June 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair stops producing melanin as it transitions from the growth phase to the resting phase.
77 citations
,
March 2021 in “Nature” Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
48 citations
,
June 2014 in “Neurobiology of Disease” The study suggests that motor neurons created from stem cells of patients with spinal and bulbar muscular atrophy show signs of the disease, including changes in protein levels and cell functions.
28 citations
,
January 2013 in “Stem cells” Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.
28 citations
,
June 1994 in “Journal of Dermatological Science” Proteolytic activity in mouse skin changes with hair cycle stages, peaking in early anagen.
27 citations
,
August 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers found new genes involved in hair growth, which could help develop new hair treatments.
24 citations
,
March 2022 in “Frontiers in plant science” Plant root hair growth is mainly controlled by hormones like auxin and ethylene, which promote growth, while others like brassinosteroid inhibit it.
23 citations
,
July 2020 in “Aging Cell” Aging changes sugar molecules on skin stem cells, which may affect their ability to repair skin.
21 citations
,
July 2016 in “Gynecological Endocrinology” Obese and non-obese women with PCOS have higher heart risk markers, especially if they are obese.
13 citations
,
March 2023 in “International Journal of Molecular Sciences” Lower Gas6 and sAxl levels are linked to hair loss in COVID-19 survivors.
13 citations
,
January 2002 in “Biochemical and biophysical research communications” Interferon β from hair cells stops the growth of other hair cells.
9 citations
,
March 2015 in “Journal of Microbiology and Biotechnology” Ultra-high molecular weight poly-γ-glutamic acid may help promote hair growth.
8 citations
,
July 1977 in “Lipids” High levels of certain fats in rapeseed oil can reduce the skin's ability to produce prostaglandin E2 and cause hair loss and skin issues in rats.
7 citations
,
January 2017 in “Biological & Pharmaceutical Bulletin” Certain compounds from Panax ginseng can block proteins that affect hair growth, potentially helping treat hair loss.