Hair loss in women can be caused by genetics, menopause, certain health conditions, and emotional stress, and it often results in thinner hair and a changing hairline.
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July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
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January 2011 in “Skin Research and Technology” Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.
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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.
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March 2018 in “Dermatology and therapy” Finasteride is considered the best treatment for hair loss, despite side effects.
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July 2022 in “Dermatologic Therapy” Both brands of biotin and dexpanthenol injections improved hair loss, with Bayer also increasing the ratio of thick to thin hairs.
A man had temporary hair loss after a spinal cord injury, with some permanent thinning remaining.
September 2016 in “Journal of Dermatological Science” Certain gene mutations in Japanese people are linked to different types of hair loss, with some causing mild hair thinning and others leading to complete baldness.
January 1998 in “Current Therapeutics” Different causes of hair loss require specific treatments, and most men and women will experience some form of hair thinning as they age.
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May 1989 in “PubMed” Psoriasis on the scalp causes smaller oil glands and thinner hair but doesn't lead to hair loss.
June 2007 in “Emergency medicine news” If someone has unexplained nerve pain and hair loss, doctors should check for thallium poisoning.
November 2016 in “Der Hautarzt” Hair thinning on top of the head is common in female androgenetic alopecia.
March 2022 in “Japanese Journal of Complementary and Alternative Medicine” Hair thinning improved with basalt stone and placenta extract treatment but recurred when paused.
May 2020 in “Hair transplant forum international” Most Indian men aged 50-55 have a safe area for hair transplants, but selection should be careful to avoid overharvesting.
July 2018 in “Hair transplant forum international” To prevent thinning in the donor area, harvest less than 50% of the original hair density in repeat hair transplants.
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January 1967 in “Journal of Small Animal Practice” Old dogs' skin thins, loses hair, and may darken, but doesn't show some human aging signs.
September 2024 in “Ain Shams Medical Journal” Androgenic alopecia causes hair thinning, and treatments include minoxidil, finasteride, and light therapy.
January 2023 in “Journal of surgery and research” New treatment effectively reverses hair thinning in most patients with mild side effects.
February 2013 in “UNESP Institutional Repository (São Paulo State University)” Female pattern alopecia causes hair thinning due to shrinking hair follicles.
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August 1975 in “Journal of Endocrinology” Cortisol and corticosterone thin mouse skin and regress hair follicles, while testosterone promotes skin and hair development.
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April 2002 in “PubMed” Mini rats have thinner skin, more fat, and different hair cycles than Wistar rats due to lower growth hormone levels.
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April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Aging skin shows thinner layers, fewer hair follicles, and new biomarkers like increased space between cells and smaller sebaceous glands.
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January 2020 in “Veterinariya Zootekhniya i Biotekhnologiya” Long-haired cats have thinner skin where hair is thicker, and all have unique collagen patterns.
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December 2004 in “The Journal of Men's Health & Gender” Male pattern baldness involves hormone-related hair thinning, shorter hair, and inflammation.
September 2021 in “CRC Press eBooks” Alopecia areata incognita causes sudden hair thinning, responds well to steroids, and is more common in those with genetic hair loss conditions.
April 2017 in “Journal of Investigative Dermatology” Certain compounds can protect hair cells from aging and promote growth.
Neurotrophins may contribute to genetic hair thinning by inhibiting hair growth.
Certain chemicals and drugs can cause hair loss.
September 2025 in “Brazilian Journal of Health Review” Early diagnosis and less aggressive hair care improve outcomes for Black women with frontal fibrosing alopecia.
January 2021 in “Skinmed” Platelet-Rich Plasma injections can effectively reduce hair thinning and loss, especially in women.