11 citations
,
February 2011 in “Current Zoology” About 20% of Japanese macaques had head alopecia, and stress and environment might cause hair loss.
6 citations
,
October 2014 in “Endokrynologia Polska” Excessive hair growth is much more common in Chinese women with PCOS than in the general population.
1 citations
,
February 2022 in “Indian Journal of Nutrition and Dietetics/Indian journal of nutrition and dietetics” Muslim women in Coimbatore with limited sunlight exposure due to cultural dress and lifestyle have low vitamin D levels.
13 citations
,
August 2019 in “Biological & Pharmaceutical Bulletin” Certain flavonoids help grow back colored hair after skin injury.
20 citations
,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
19 citations
,
July 2004 in “Australasian Journal of Dermatology” Her hair grew back normally after she stopped rubbing it.
November 2001 in “Dermatologic Surgery” Galea fixation is a safe and effective way to remove bald scalp with minimal scarring and reduced stretch-back.
A hair transplant using hair from the back of the head and pubic area was successful in creating a feminine hairline for a male-to-female transgender person.
3 citations
,
July 2018 in “European Journal of Dermatology” An elderly man's hair grew back after treatment with secukinumab, possibly due to reduced scalp inflammation or the medication's direct effects.
2 citations
,
July 2021 in “Biochemical and Biophysical Research Communications” CTHRC1 helps hair grow back, and plantar dermis mixture boosts it.
July 2022 in “Research Square (Research Square)” Huaier helps hair grow back and repairs tissue after cancer treatment.
13 citations
,
November 1959 in “Annals of the New York Academy of Sciences” Human hair follicles can grow back.
9 citations
,
May 2012 in “British Journal of Dermatology” Reversing female hair loss.
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.
3 citations
,
June 2018 in “Australasian journal of dermatology” Eight people with severe hair loss grew their hair back naturally.
24 citations
,
March 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.
20 citations
,
December 2015 in “Journal of Pharmacopuncture” Thread-embedding therapy helped hair grow back in mice and might do the same in humans.
13 citations
,
July 2016 in “BMC Complementary and Alternative Medicine” Hominis Placenta helps hair grow back by increasing cell growth and a specific growth factor.
10 citations
,
July 2017 in “Archives of Plastic Surgery” Hair thickness decreases from the upper to lower areas of the back of the head, affecting hair transplant results.
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.
June 2025 in “Clinical and Experimental Dermatology” A 76-year-old man's grey hair turned back to its original color after radiotherapy.
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.
November 2022 in “Journal of Investigative Dermatology” Minoxidil and PRP can help convert miniaturized hair follicles back to normal in male pattern baldness.
1 citations
,
January 2023 in “SAGE open medical case reports” A new treatment called deucravacitinib helped a patient with severe hair loss grow their hair back quickly.
June 2025 in “BMJ Case Reports” Axitinib treatment turned a man's grey hair back to black.
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.
November 2023 in “Cell Biology International” Tiny particles from umbilical cord stem cells may help hair grow back in a type of hair loss.
236 citations
,
April 2015 in “Cell” Plucking some hairs can trigger nearby unplucked hairs to grow back more due to a collective response.
January 2025 in “Journal of Materials Chemistry B” A new treatment using special microneedles and a nitric oxide-releasing drug could improve hair growth and be more convenient for people with hair loss.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.