March 2026 in “Indian Dermatology Online Journal” Hair dye ingredient PPD can cause severe allergic reactions, including facial swelling.
328 citations
,
November 2020 in “Nature Materials” Hydrogel scaffolds can help wounds heal better and grow hair.
51 citations
,
August 2013 in “The Journal of experimental medicine/The journal of experimental medicine” Loss of a specific protein in skin cells causes symptoms similar to psoriasis.
22 citations
,
January 2009 in “Advances in experimental medicine and biology” FOXN1 mutations cause severe immunodeficiency, hair loss, nail issues, and thymus defects.
May 2022 in “Liver transplantation” The document explains how the immune system reacts to organ transplants and the treatments used to prevent rejection.
8 citations
,
December 2015 in “The Journal of Physiology” The document concludes that stem cell inactivity is actively controlled and important for tissue repair and balance.
45 citations
,
May 2024 in “International Journal of Molecular Sciences” Alopecia areata is caused by immune attacks on hair follicles, affecting hair growth and quality of life.
73 citations
,
April 2019 in “Experimental Dermatology” The scalp's microorganisms significantly affect hair health and disease.
54 citations
,
January 2023 in “Signal Transduction and Targeted Therapy” New therapies are being developed that target integrin pathways to treat various diseases.
32 citations
,
August 2016 in “Science Signaling” Alopecia areata patients show unique protein activity patterns, suggesting imbalanced signaling pathways.
24 citations
,
May 2006 in “Journal of Investigative Dermatology” Chronic contact eczema may help hair regrowth in alopecia areata by reducing certain immune cell movement.
15 citations
,
June 2015 in “F1000Research” Psoriasis may be chronic because it lacks certain immune system controls that prevent overreaction.
January 2025 in “International Journal of Molecular Sciences” Psoriasis involves immune and genetic factors, and understanding these can improve treatments.
October 2024 in “Frontiers in Immunology” Pertussis toxin may contribute to hair loss in alopecia areata.
Different types of sun exposure damage skin cells and immune cells, with chronic exposure leading to more severe and lasting damage.
Scalp involvement in primary cutaneous lymphomas is common and can be aggressive, requiring careful attention.
415 citations
,
January 2008 in “Cell” NFATc1 controls hair stem cell activity, affecting hair growth and could be a target for hair loss treatments.
January 2025 in “Clinical Cosmetic and Investigational Dermatology” Pediatric alopecia areata is more immune-active than adult cases, suggesting age-specific treatments and potential use of JAK inhibitors.
90 citations
,
May 2019 in “Drugs” Long-term use of azole antifungals can cause hair loss, hormonal imbalances, and severe skin reactions.
2 citations
,
July 2025 in “Journal of Cosmetic Dermatology” Cosmetic dermatology is improving with new technologies but faces ethical and regulatory challenges.
March 2024 in “International journal of molecular sciences” taVNS reduces vitiligo symptoms in mice.
134 citations
,
July 2020 in “Experimental dermatology” Hair follicles are normally protected from the immune system, but when this protection fails, it can cause hair loss in alopecia areata.
16 citations
,
December 2015 in “Journal of Investigative Dermatology” Alopecia areata involves persistent gene abnormalities and immune activity, even in regrown hair, suggesting a risk of relapse.
January 2026 in “Dermatologic Therapy” Folliculotropic Mycosis Fungoides requires stage-based treatment, with early stages using skin therapies and advanced stages needing aggressive treatments.
4 citations
,
July 2014 in “Journal of Investigative Dermatology” Old people have less hair because their hair follicles don't regenerate as well, not because of fewer stem cells, and a protein called follistatin might help reactivate hair growth.
May 2023 in “Antioxidants” Peptides from oysters may safely and effectively heal skin wounds with less scarring.
5 citations
,
January 2021 in “Biomedicine & Pharmacotherapy” Policosanol helps treat hair loss by balancing hormones and supporting hair growth.
19 citations
,
April 2015 in “European Journal of Pharmacology” Dihydrotestosterone (DHT) doesn't affect rat skin cell growth, but it does change cell cycle, protein levels, and other cell functions, potentially shortening hair growth cycle.
1039 citations
,
February 2009 in “Nature Reviews Molecular Cell Biology” Skin stem cells are crucial for maintaining and repairing the skin and hair, using a complex mix of signals to do so.
44 citations
,
February 2012 in “The journal of neuroscience/The Journal of neuroscience” Mutations in the PTPRQ gene cause significant balance issues in mice due to hair bundle defects in the inner ear.