16 citations
,
March 2008 in “International journal of pharmaceutics” Different factors like pH, gel type, and chemical enhancers affect how well hydrocortisone gets into hair follicles, and less hydrated skin doesn't work well with the test method.
7 citations
,
June 2017 in “Omics” The study developed a method to analyze ancient hair proteins using very small samples.
41 citations
,
September 2010 in “Journal of dermatological science” Bone marrow and umbilical cord stem cells can help grow new hair.
8 citations
,
May 2018 in “The Journal of Allergy and Clinical Immunology” Activating the Nrf2 pathway reduces inflammation and cell activation in human hair follicles, suggesting a potential treatment for certain hair loss conditions.
3 citations
,
January 2018 in “International Journal of Cosmetic Science” Hair stiffness increased by 13.2% after caffeine treatment, validating the Stiffness-Angle Law as an effective measurement method.
April 2018 in “Journal of Investigative Dermatology” Fat under the skin can help hair grow longer, darker, and increase cell growth.
78 citations
,
August 2002 in “Experimental Dermatology” Researchers developed a quick and easy way to get and grow cells from the base of human hair follicles.
55 citations
,
April 2017 in “Experimental Dermatology” The document describes a way to isolate and grow human hair follicle cells in 3D to help study hair growth.
27 citations
,
September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
Biofield Energy Healing significantly increased hair growth by making hair root cells grow more.
January 2018 in “Open access journal of pharmaceutical research” Biofield Energy Healing may increase hair growth by enhancing cell proliferation.
February 2026 in “Journal of Integrative Neuroscience” NGF-modified hair follicle stem cells may help treat Alzheimer's by improving brain function and reducing harmful proteins.
30 citations
,
April 2017 in “European Journal of Cell Biology” CIP/KIP proteins help stop cell division and support hair growth.
356 citations
,
December 1986 in “The journal of cell biology/The Journal of cell biology” Hair and nail cells share similar proteins, indicating a common differentiation pathway.
39 citations
,
March 2008 in “Growth hormone & IGF research” Raspberry ketone may help grow hair and improve skin elasticity.
19 citations
,
November 2012 in “British Journal of Dermatology” Dopamine stops hair growth and pigment production in human scalp hair follicles.
11 citations
,
February 2018 in “Amino acids” Copper and iron cause keratin damage in hair by converting methionine to homocysteine.
10 citations
,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
9 citations
,
April 2018 in “Journal of trace elements in medicine and biology” Hair analysis can show nutritional status and environmental exposure, with phosphorus being very stable in hair and differences found based on gender and conditions like depression and autism.
Blocking the Mitochondrial Pyruvate Carrier causes stress in hair follicles, which can be reduced by an ISR inhibitor.
29 citations
,
March 2010 in “Journal of Dermatological Science” Wnt3a activates certain genes in hair follicle cells, including a newly discovered one, EP2, which may affect hair growth.
11 citations
,
May 2016 in “Naunyn-Schmiedeberg's Archives of Pharmacology” A substance called 15-deoxy prostaglandin J2 can cause hair follicle cells to die, which might explain how prostaglandin D2 can lead to hair loss.
26 citations
,
January 2019 in “Experimental Dermatology” Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.
10 citations
,
November 1997 in “British Journal of Dermatology” RU58841 significantly increases hair growth rate and initiates more hair cycles, but doesn't affect hair thickness, suggesting it could be a new treatment for baldness.
8 citations
,
August 2025 in “Journal of Translational Medicine” CD44 signaling can help heal wounds without scars.
7 citations
,
January 2016 in “Laboratory Investigation” TR3 is mainly found in hair follicle stem cells and may be involved in hair loss.
2 citations
,
September 2020 in “Biomedical materials” Recombinant keratin materials may better promote skin cell differentiation than natural keratin.
December 2023 in “International journal of research in dermatology” The ayurvedic hair oil is safe and effective for reducing hair fall, promoting hair growth, and improving scalp health.
62 citations
,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.
41 citations
,
March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.