115 citations
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August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
152 citations
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December 2003 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
31 citations
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February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
Melatonin reduced oxidative damage, inflammation, and protected hair cells in scalded rats.
109 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.
100 citations
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September 2017 in “Molecular and Cellular Endocrinology” Male hormones and their receptors play a key role in hair loss and skin health, with potential new treatments being explored.
94 citations
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February 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” EGF makes hair follicles grow longer but stops hair production.
November 2022 in “Journal of Investigative Dermatology” The extract of Silybum marianum, Manganese PCA, and Lespedeza capitata can boost hair growth and extend the growth phase when combined in a serum.
52 citations
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May 2015 in “PLOS Genetics” miR-22, a type of microRNA, controls hair growth and its overproduction can cause hair loss, while its absence can speed up hair growth.
14 citations
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December 1991 in “Annals of the New York Academy of Sciences” MYC protooncogenes may be important for hair growth, but more research is needed.
6 citations
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October 2019 in “Jo'jig gonghag gwa jaesaeng uihag/Tissue engineering and regenerative medicine” Rice bran extract boosts melanin production in hair follicles.
397 citations
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February 2004 in “British Journal of Dermatology” Minoxidil boosts hair growth by opening potassium channels and increasing cell activity.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Silybum marianum extract, Manganese PCA, and Lespedeza capitata extract may help with hair growth and anchorage, potentially aiding in hair loss treatment.
37 citations
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June 2021 in “Journal of the European Academy of Dermatology and Venereology” Adult skin quickly reacts to short-term environmental and internal stress, leading to various skin issues and the need for protective measures.
4 citations
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November 2022 in “Nutrients” Cow placenta extract has strong antioxidant effects and can delay skin aging in mice.
8 citations
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June 2021 in “Frontiers in Bioengineering and Biotechnology” Extracts from Alnus sibirica and oregonin may help with hair growth and prevent hair loss.
21 citations
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November 2012 in “Plastic and Reconstructive Surgery” Both genetic and lifestyle factors significantly affect female hair loss.
γδTregs may help treat autoimmune diseases like alopecia areata by promoting hair regrowth and reducing immune attacks.
14 citations
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April 2005 in “Experimental Dermatology” Stressed fibroblasts greatly increase melanin production in hair, skin, and eye cells, mainly due to a growth factor called bFGF.
4 citations
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June 2024 in “British Journal of Dermatology” EGFRi/MEKi treatments cause hair follicles to lose some immune protection, leading to inflammation.
37 citations
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December 2001 in “Journal of Investigative Dermatology” Leptin may play a role in hair growth and hair follicle health.
66 citations
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December 2014 in “Nature Communications” Fibroblasts can be turned into melanocytes for potential skin treatments.
54 citations
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June 2008 in “Planta Medica” Hinokitiol may help treat hair loss by reducing inflammation and promoting hair growth.
2 citations
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May 2022 in “International journal of molecular sciences” Changes in KRT17 gene activity linked to wool production in Angora rabbits.
March 2021 in “World rabbit science” Adding 0.2% taurine to Angora rabbits' diet improves wool production and overall health.
9 citations
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April 2019 in “International Journal of Molecular Sciences” Kojyl cinnamate ester derivatives can promote hair growth by increasing adiponectin production in fat tissues.
April 2019 in “Journal of Investigative Dermatology” Stabilizing HIF1A in hair follicles may boost hair growth by enhancing energy production and blood vessel formation.
January 2020 in “International journal of agriculture & biology/International journal of agriculture and biology” Wool traits in sheep are controlled by many genes and environmental factors.
14 citations
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November 2013 in “PloS one” HGF/SF increases skin melanocytes but doesn't change melanin type or amount.
December 2025 in “Biomedicines” Tyrosine kinase inhibitors for endocrine tumors often cause skin issues, requiring early management and treatment adjustments.