24 citations,
May 1963 in “Archives of Dermatology” Most new moms had their hair grow back within 4-6 months after childbirth, and hair loss is likely due to hormonal changes.
10 citations,
March 1992 in “European Archives of Psychiatry and Clinical Neuroscience” Hair loss from mood stabilizers can grow back, but the reasons why are not fully understood.
9 citations,
January 2015 in “Dermatology Online Journal” A patient with Crohn's disease grew back their hair after stopping Adalimumab, which had caused hair loss.
3 citations,
November 2021 in “Frontiers in Medicine” Advanced male pattern baldness affects the back of the scalp, reducing hair follicles.
3 citations,
September 2019 in “Journal of Orthodontics” A boy's hair grew back after he stopped using orthodontic headgear that caused temporary hair loss.
2 citations,
May 2018 in “Australasian Journal of Dermatology” Some patients' hair grew back black and white after chemotherapy.
October 2013 in “European Orthopaedics and Traumatology” A woman's hair grew back within 3 months after temporary hair loss from improper head positioning during shoulder surgery.
75 citations,
June 2005 in “Archives of Dermatology” Etanercept may not prevent alopecia areata from coming back.
41 citations,
August 2007 in “European Journal of Gastroenterology & Hepatology” A woman's total hair loss from hepatitis C treatment grew back after stopping the medication.
40 citations,
September 2019 in “World journal of clinical cases” An elderly man's hair grew back after a treatment that transferred healthy gut bacteria.
24 citations,
July 2011 in “British Journal of Dermatology” Men with hair loss have more DNA changes in back-of-head hair follicles, possibly protecting them from thinning.
15 citations,
November 2009 in “Clinical and Experimental Dermatology” Bimatoprost helped a girl grow her eyelashes back quickly and without serious side effects.
8 citations,
January 2022 in “Cureus” A man's hair grew back to almost normal 7 months after COVID-19 without needing treatment.
5 citations,
August 2013 in “The Journal of Pediatrics of Korean Medicine” The treatments helped the girl's hair grow back, but more research is needed for different types of hair loss.
4 citations,
July 2020 in “BMC Complementary Medicine and Therapies” Human placenta helps hair grow back after chemotherapy by blocking cell death and increasing hair follicle growth.
2 citations,
December 1995 in “Pediatrics” Infant hair loss is usually temporary and grows back without treatment.
1 citations,
May 2017 in “Journal of The American Academy of Dermatology” A woman's hair grew back after stopping acitretin for psoriasis and getting steroid treatment, and low vitamin D might be linked to alopecia severity.
1 citations,
March 1989 in “The BMJ” A woman's hair grew back while she was taking sulphasalazine for arthritis.
August 2024 in “Journal of Small Animal Practice” A cat lost hair on its back a month after a road accident, despite no initial skin injuries.
December 2023 in “JEADV Clinical Practice” A woman's hair grew back with baricitinib treatment, but she developed a temporary hairy tongue that was treated with regular tongue brushing.
October 2023 in “Frontiers in Medicine” Dupilumab helped a 4-year-old grow hair back after another treatment failed.
August 2023 in “Journal of The American Academy of Dermatology” Finasteride made hair thicker on the back of the head in men with hair loss.
January 2023 in “Skin appendage disorders” A woman's hair grew back after treatment for a rare hair loss caused by proton therapy.
November 2022 in “Journal of Investigative Dermatology” Minoxidil and PRP can help convert miniaturized hair follicles back to normal in male pattern baldness.
December 2015 in “Journal of skin and stem cell” Using a gel called Diclofenac can potentially cause hair to grow back in bald spots in older men.
71 citations,
May 1975 in “The American journal of surgery” The patient's liver did not fully grow back and she had serious temporary side effects after a very large liver surgery.
22 citations,
September 2014 in “Veterinary Dermatology” Low-level laser therapy seems to help dogs with noninflammatory alopecia grow hair back.
12 citations,
July 2015 in “Veterinary Dermatology” Microneedling helped two Pomeranian dogs with a hair growth disorder grow back 90% of their fur in 12 weeks, and the results lasted for a year.
8 citations,
April 2014 in “Anti-Cancer Drugs” A hormone linked to collagen helps hair grow back in mice after chemotherapy, and may also prevent bone loss.
3 citations,
June 2018 in “Australasian journal of dermatology” Eight people with severe hair loss grew their hair back naturally.