November 2022 in “Skin Appendage Disorders” PT-20 did not significantly improve gray hair repigmentation.
May 2025 in “The Journal of Dermatology” March 2007 in “International Journal of Cosmetic Science” Hair with more melanin resists weather damage better.
23 citations
,
October 1958 in “PubMed” 36 citations
,
May 2005 in “BMC dermatology” DPCP is effective for treating severe alopecia areata, but relapse is common.
January 2026 in “Figshare” Finasteride can cause melasma, especially in people with darker skin.
8 citations
,
March 2001 in “PubMed” A man developed recurring scalp inflammation and hair loss after a head injury.
May 2017 in “Journal of the American Academy of Dermatology”
2 citations
,
March 2009 in “Hair transplant forum international” Hair loss at the site where hair was taken for a transplant can be due to the normal hair growth cycle.
November 2018 in “Journal of Investigative Dermatology” Lichen Planopilaris causes irreversible hair loss due to immune attacks on hair stem cells, but modulating PPAR-γ might help treat it.
20 citations
,
June 2019 in “Archives of dermatological research” Combining DPCP and anthralin helps regrow hair in some alopecia areata patients.
28 citations
,
May 1998 in “Journal of the American Academy of Dermatology” Scalp inflammation can cause multiple hairs to grow from one follicle.
January 2020 in “JAAD case reports” Hair loss condition FFA was seen before the appearance of skin depigmentation vitiligo in a patient.
October 1991 in “Archives of Dermatology” The woman has a skin condition involving nodules, scars, and hair loss.
July 2003 in “Journal of Cutaneous Medicine and Surgery” Stopping certain drugs can improve skin conditions, arsenicosis affects over half of a Bangladeshi village, males are more vulnerable, and certain treatments are effective for warts, acne, and psoriasis. Smoking and drinking are linked to psoriasis in men, a cream helps with a type of skin cancer, and low iron levels don't directly cause chronic hair loss in women.
5 citations
,
October 2012 in “The Journal of Dermatology” Traumatic panniculitis can cause increased hair growth in affected areas.
125 citations
,
September 2001 in “The FASEB Journal” Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.
January 2024 in “International Journal of Trichology” Finasteride is effective for hair regrowth, but some believe it may cause persistent symptoms due to psychological factors.
22 citations
,
April 2011 in “Anais Brasileiros de Dermatologia” Hair transplants can lead to hair loss from lichen planopilaris, and patients should be tested and wait two years before the procedure.
2 citations
,
January 2019 in “Dermatology Review” Pigmented vellus and upright regrowing hairs predict hair regrowth in severe alopecia.
April 2023 in “Journal of Investigative Dermatology” Higher PD-1 levels are linked to fewer immune cells in hair follicles in alopecia areata.
January 2025 in “Figshare” Stress can cause sudden hair whitening in children, but it may reverse on its own.
January 2025 in “Figshare” Stress can cause sudden hair whitening in children, but it may reverse on its own.
August 2022 in “Revista de la Universidad Industrial de Santander/Salud UIS” Stress-related hair loss was reversed with a special medication.
17 citations
,
August 2019 in “JAMA Facial Plastic Surgery” Some men lost hair after deoxycholic acid treatment for neck fat, but most saw improvement or resolution.
5 citations
,
May 1958 in “Archives of Dermatology” Treatment with corticosteroids and zinc injections can help hair regrowth and restore pigmentation in alopecia totalis.
450 citations
,
January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
September 2025 in “Journal of Cutaneous and Aesthetic Surgery” Scalp micropigmentation improves appearance and satisfaction in scarring alopecia but may require repeat sessions.
January 2004 in “Linchuang pifuke zazhi” A man lost hair permanently from a salon burn, and surgery was needed to fix the scar.
January 2009 in “Journal watch” The treatment helped some patients with severe hair loss regrow hair.