19 citations
,
November 2012 in “British Journal of Dermatology” Dopamine stops hair growth and pigment production in human scalp hair follicles.
October 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Thymic peptides can either promote or inhibit human hair growth.
32 citations
,
December 2003 in “Planta” Hypaphorine from a fungus changes the internal structure of Eucalyptus root hairs, stopping their growth.
7 citations
,
January 2010 in “Animal” Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
53 citations
,
October 2012 in “The FASEB Journal” Bimatoprost, a glaucoma medication, may also help treat hair loss.
January 2018 in “Social Science Research Network” Certain small molecules that trigger cell cleanup processes can promote hair growth.
24 citations
,
March 2020 in “Cells” Natural small molecules can help treat diseases by activating or inhibiting the Wnt pathway.
238 citations
,
February 2007 in “Journal of Neuroscience” Ovarian and stress hormones can change GABA A receptors through neurosteroids.
63 citations
,
February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
3 citations
,
January 2016 Certain beneficial microbes can fight fungi and help plants get nutrients.
76 citations
,
December 2011 in “Journal of Cell Science” Different keratin types have unique amino acid patterns that are evolutionarily conserved.
April 2024 in “Current research in nutrition and food science” Taking an amino acid supplement improved skin, hair, and nail health in women.
January 2025 in “Archives of Dermatological Research” 8 citations
,
July 1997 in “Archives of Gerontology and Geriatrics” 43 citations
,
December 2012 in “The Journal of Steroid Biochemistry and Molecular Biology” Progesterone protects neurons from damage by converting to allopregnanolone, which works through GABAA receptors.
12 citations
,
December 2009 in “Amino Acids” Putting α-methylspermidine on mouse skin can start hair growth.
21 citations
,
August 2016 in “Translational Andrology and Urology” Delayed ejaculation is a complex issue caused by psychological, biological, and lifestyle factors, requiring a holistic treatment approach.
January 2025 in “Nanotechnology Reviews” Pumpkin seed extract can create copper oxide nanoparticles with potential antibacterial and cancer-fighting properties.
1 citations
,
July 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
July 2022 in “Journal of Investigative Dermatology” The combination of a plant extract and a peptide can increase hair pigmentation and may reverse greying.
4 citations
,
December 1989 in “The Journal of Dermatology” Human hair proteins have similar cysteine and glycine levels to skin proteins.
14 citations
,
October 2016 in “Psychoneuroendocrinology” Finasteride affects brain processes related to neurotransmission and metabolism, potentially helping with neuropsychiatric conditions.
101 citations
,
January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
59 citations
,
July 1972 in “Biochemistry” Transamidases help form strong crosslinks in hair proteins, crucial for hair strength.
11 citations
,
July 2015 in “Journal of Anatomy” SLVs help maintain muscle stretch sensitivity and could aid in treating hypertension and muscle spasticity.
35 citations
,
April 2009 in “Journal of Neuroscience Research” HDAC inhibitors help brain cells grow and improve brain function.
19 citations
,
January 2007 in “Biological & pharmaceutical bulletin” Glycine reduces skin pigmentation by lowering melanin production.
January 2026 in “Frontiers in Cellular Neuroscience” Neurosteroids like neuro-estrogen and neuro-androgen are crucial for brain function and can improve cognition and protect against aging-related decline.
Arginine deficiency hinders hair growth in androgenetic alopecia, but restoring it can promote hair regeneration.
48 citations
,
January 2003 Endophytes from Southeast Asia and Japan can produce useful substances like enzymes and antibiotics.