31 citations
,
August 2000 in “Journal of Investigative Dermatology” Stem cells are key for hair follicle recovery.
2 citations
,
November 1998 in “Journal of The European Academy of Dermatology and Venereology” A patient with a severe type of hair loss experienced partial hair regrowth after treatment with a specific light therapy and a medication called interferon α2a.
October 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Scientists used a special imaging technique to observe that hair follicle regeneration involves cell division and structural changes, mostly in the lower part of the follicle, and that the dermal papilla at the base is crucial for regrowth.
May 2009 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” PPARgamma is crucial for healthy hair follicles, and its loss causes scarring alopecia.
2 citations
,
June 2001 in “American Journal of Pathology” The document concludes that understanding how hair follicles naturally die and regenerate is important for insights into organ development and could impact health and disease treatment.
1 citations
,
December 2023 in “Skin Research and Technology” Combining hair follicle transplantation and a 308 nm excimer laser effectively treats perioral vitiligo without unwanted hair growth.
December 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The conclusion is that the dermal papilla is crucial for hair follicle regrowth, and hair follicles undergo significant structural changes in addition to cell division during regeneration.
November 2022 in “Journal of Investigative Dermatology” Minoxidil and PRP can help convert miniaturized hair follicles back to normal in male pattern baldness.
7 citations
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January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” T-cell reconstitution after thymus transplantation can cause hair whitening and loss.
19 citations
,
November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
1 citations
,
January 2018 in “Journal of Cosmetics Dermatological Sciences and Applications” A targetoid hair regrowth pattern indicates recovery in alopecia areata.
3 citations
,
June 2025 in “Stem Cell Research & Therapy” Hair follicle-derived melanocyte transplant could effectively treat vitiligo by restoring skin color.
10 citations
,
November 2010 in “Pigment Cell & Melanoma Research” Only skin melanocytes, not other types, can color hair in mice.
44 citations
,
April 1979 in “Journal of Ultrastructure Research” 4 citations
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May 2024 in “Cytotechnology”
45 citations
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October 2009 in “Dermatology” Half of the patients treated with a specific drug for skin cancer experienced hair loss not related to the drug's dosage.
October 2023 in “Acta dermato-venereologica” Minoxidil and platelet-rich plasma can help turn thin hair into thicker hair in male pattern baldness.
1 citations
,
December 2015 in “Journal of the Medical Sciences (Berkala Ilmu Kedokteran)” Transplanting melanocyte stem cells from hair follicles can effectively treat vitiligo.
3 citations
,
August 2017 in “Clinical case reports” A rare skin condition causes red and dark patches on the face and limbs.
1 citations
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April 2019 in “JAAD case reports” A woman with lymphoma had a rare skin rash on her scalp and forehead, which was hard to diagnose but responded well to treatment.
August 2023 in “Portuguese journal of dermatology and venereology” Cyclosporine can reverse hair graying.
1 citations
,
April 2016 in “PubMed” Epidermis and dermis cells together can regenerate hair follicles.
5 citations
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June 2021 in “JAAD Case Reports” Platelet-rich plasma therapy may help treat folliculitis decalvans but benefits might not last without ongoing treatment.
December 2025 in “Clinical Case Reports” Exosome therapy helped regrow and repigment beard hair in a man with alopecia.
Keratinocytes grew and migrated into hair follicle areas but disappeared after 15-20 days.
20 citations
,
January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
June 2025 in “Clinical and Experimental Dermatology” Baricitinib treatment led to dark brown hair regrowth in a red-haired woman with alopecia areata.
13 citations
,
March 2011 in “British Journal of Dermatology” A woman with scalp lymphoma and hair loss improved with radiotherapy, highlighting the need for biopsies in similar cases.
6 citations
,
March 2005 in “Journal of the American Academy of Dermatology” Follicular dystrophy in immunocompromised patients may be linked to medication or viral factors and can improve with treatment changes.
November 2023 in “Journal of the American Academy of Dermatology” Skin of color can spontaneously repigment after a phenol-croton oil chemical peel.