116 citations
,
September 2001 in “Journal of The American Academy of Dermatology” Hair loss occurs due to fewer papillary cells, smaller follicles, and shorter growth phases.
47 citations
,
September 2008 in “British Journal of Dermatology” Ludwig pattern hair loss in women results from varying sensitivity in hair follicles, causing fewer visible hairs.
37 citations
,
March 2009 in “Hair transplant forum international” PRP treatment helped reverse hair thinning and promoted new hair growth.
22 citations
,
July 2012 in “International Journal of Trichology” Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.
11 citations
,
April 2020 in “Journal of The American Academy of Dermatology” Microinflammation is more intense in smaller hair follicles and may be linked to hair loss.
9 citations
,
June 2017 in “Journal of Cutaneous Pathology” People with pemphigus vulgaris and pemphigus foliaceus often have smaller sebaceous glands on their scalp.
6 citations
,
June 2019 in “Skin Research and Technology” Finasteride works for hair loss by maintaining existing hair follicles, not reversing miniaturization.
4 citations
,
June 2017 in “Anais Brasileiros De Dermatologia” Aryl hydrocarbon receptor overexpression found in miniaturized hair follicles in female hair loss.
3 citations
,
January 2021 in “Plastic and Aesthetic Research” Hair loss reduces hair thickness and coverage, but drug treatments mainly revive dormant hairs rather than reverse thinning; patients often undervalue their hair loss severity.
July 2025 in “Journal of Investigative Dermatology” Miniaturized hair follicles in androgenetic alopecia show abnormal mitochondrial activity and damage.
July 2025 in “Journal of Dermatological Treatment” PRP improves hair growth in androgenic alopecia, especially when combined with minoxidil.
January 2009 in “The Year book of dermatology” Ludwig pattern hair loss results from varying androgen sensitivity, causing fewer thick hairs and more thin hairs.
4 citations
,
March 2013 in “The American Journal of Cosmetic Surgery” Melanin absorbing light is necessary but not enough for effective hair removal by light treatment.
1 citations
,
May 2011 in “Hair transplant forum international” Injectable ACell with blood serum/PRP may slow hair loss and regrow thinning hair.
April 2024 in “Dermatology reports” Dutasteride is more effective than finasteride for hair regrowth in male and female pattern hair loss, with similar side effects.
145 citations
,
December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” Finasteride 1mg helps reverse hair miniaturization in men and postmenopausal women.
100 citations
,
June 2006 in “British Journal of Dermatology” Hair loss severity relates to increased miniaturization in female pattern hair loss.
8 citations
,
June 2019 in “Scientific Reports” Increased PPARGC1α relates to hair thinning in common baldness.
May 2025 in “International Society of Hair Restoration Surgery” Injecting stem cells from hair follicles may improve hair growth in baldness.
January 2023 in “Journal of surgery and research” New treatment effectively reverses hair thinning in most patients with mild side effects.
41 citations
,
May 2001 in “PubMed” Different thicknesses of hair strands can indicate the severity of hair thinning.
33 citations
,
August 2016 in “Indian Journal of Dermatology, Venereology and Leprology” Dutasteride is more effective than finasteride at increasing hair count and reversing hair thinning in men with hair loss, but both have similar side effects.
1 citations
,
May 2019 in “Journal of The European Academy of Dermatology and Venereology” New method, hair distribution width (HDW), improves accuracy in diagnosing androgenetic alopecia (AGA).
July 2011 in “F1000Research”
December 2011 in “Korean journal of veterinary research” A Miniature Pinscher dog with hair loss and scaling was diagnosed with pattern alopecia and improved with melatonin treatment.
1 citations
,
April 2021 in “Clinical, Cosmetic and Investigational Dermatology” Conflicting findings in androgenic alopecia are likely due to biopsy location, hair diameter diversity, and hair follicle miniaturization.
February 2021 in “Journal of The American Academy of Dermatology” Fibrosis in the bulge area of hair follicles can cause hair thinning in male pattern baldness, and drugs that inhibit fibrosis might help reverse this.
6 citations
,
February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
Sublingual minoxidil increases hair thickness in men with hair loss.
30 citations
,
May 2018 in “Experimental Dermatology” The conclusion is that future hair loss treatments should target the root causes of hair thinning, not just promote hair growth.