October 2021 in “Journal of Investigative Dermatology” DPP4, a molecule in skin, helps heal large wounds and regrow hair follicles when its levels are reduced.
May 2012 in “F1000Research” Proteins released by cells can promote hair growth in people.
November 2022 in “Journal of Investigative Dermatology” Activating a bitter taste receptor in hair follicles can stop hair growth by increasing a specific growth factor.
April 2016 in “Journal of Investigative Dermatology” Oenocarpus bataua vegetable oil may help reduce hair loss by affecting a key gene pathway.
April 2023 in “Journal of Investigative Dermatology” Blocking casein kinase 1 in skin cells can help melanocyte precursors move better, potentially helping with conditions like vitiligo or gray hair.
1 citations
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June 2022 in “International Journal of Health Sciences” Lower BDNF levels link to worse depression in alopecia areata patients.
June 2023 in “British Journal of Dermatology” The protein called small nuclear ribonucleoprotein polypeptide E is identified as a cause of a type of hair loss without other symptoms.
2 citations
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November 1961 in “American Journal of Clinical Nutrition” 1 citations
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January 2010 in “Institutional Repository of Leibniz Universität Hannover (Leibniz Universität Hannover)” 1 citations
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July 2024 in “Journal of Investigative Dermatology” MPZL3 protein affects hair growth cycles and could help manage hair loss.
April 2023 in “Journal of Investigative Dermatology” CD8+ T cells attack hair follicle stem cells, causing scarring and hair loss.
82 citations
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October 1980 in “The Journal of Clinical Endocrinology & Metabolism” The child's body didn't respond well to vitamin D, causing hair loss and rickets.
January 2018 in “Social Science Research Network” Certain small molecules that trigger cell cleanup processes can promote hair growth.
September 2024 in “Journal of the American Academy of Dermatology” Baricitinib 4 mg is effective and safe for treating severe alopecia areata.
November 2025 in “Journal of Investigative Dermatology” Ritlecitinib effectively treats severe Alopecia Areata by reducing harmful immune activity in the skin.
42 citations
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June 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” PAI-2 helps in the maturation and protection of hair and nail cells.
20 citations
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July 1990 in “Clinical and experimental dermatology” Taking cyproterone acetate and ethinyl oestradiol for hair loss can lower vitamin B12 levels in women.
30 citations
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May 1999 in “Food and chemical toxicology” Procyanidin B-2 is safe to use on skin as a hair growth product.
August 2023 in “Journal of Cosmetic Dermatology” Some plants like spinach, broccoli, and matcha may boost the effectiveness of the hair growth drug minoxidil.
July 1995 in “Journal of Dermatological Science” 1 citations
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January 2023 in “Science Advances” The skin's microbiome helps hair regrow by boosting certain cell signals and metabolism.
70 citations
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January 2000 in “Drug Development Research” New butyric acid prodrugs show promise for cancer treatment, anemia management, and protecting hair from chemotherapy damage.
The natural compound VB-1, found in a Chinese herb, can promote hair growth by boosting cell activity in human skin cells.
18 citations
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February 1992 in “Molecular Biology Reports” A specific type II hair keratin was identified and found in hair cortex and tongue cells.
September 2025 in “JID Innovations” Squaric acid dibutylester promotes hair growth by activating immune cells, especially macrophages.
3 citations
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March 2016 in “Phytotherapy Research” The new compound was more effective than finasteride in reducing markers of hair loss and prostate issues in cell tests.
6 citations
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November 1977 in “International Journal of Legal Medicine” Human hair contains a substance that shows blood group A activity.
6 citations
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August 2016 in “Journal of Visualized Experiments” The CUBIC protocol allows detailed 3D visualization of proteins in mouse skin biopsies.
June 2018 in “Journal of Dermatological Science” UV radiation may cause DNA changes in skin, certain UVB therapy helps psoriasis, a new gene mutation is linked to mild piebaldism, different immune cells affect psoriasis, a drug promotes hair growth, and some cancer drugs could treat skin barrier issues.
January 2025 in “ARC Journal of Clinical Case Reports” Encapsulated retinol may effectively treat actinic keratosis without side effects.