July 2025 in “Journal of Dermatological Treatment” PRP improves hair growth in androgenic alopecia, especially when combined with minoxidil.
25 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Phototrichogram and hair diameter measurements are effective, noninvasive ways to assess hair growth and detect early hair loss, with the most common pattern being reduced hair density.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
2 citations
,
January 2014 in “Turkish Journal of Medical Sciences” TrichoScan effectively diagnoses different types of hair loss and is linked to low iron stores in patients.
June 2026 in “Russian Journal of Skin and Venereal Diseases” Salmon-derived exosomes effectively improve hair growth in androgenetic alopecia.
100 citations
,
June 2006 in “British Journal of Dermatology” Hair loss severity relates to increased miniaturization in female pattern hair loss.
20 citations
,
August 2009 in “Journal of The European Academy of Dermatology and Venereology” Occipital scalp affects female hair loss; terminal/vellus ratio helps diagnose androgenetic alopecia.
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.
24 citations
,
September 2012 in “Dermatologic Surgery” The conclusion is that normal scalp hair counts for Taiwanese people were established, showing age-related differences but not sex or scalp location differences.
2 citations
,
May 2022 in “Clinical, Cosmetic and Investigational Dermatology” Trichoscopy and pathological examination both have unique benefits and cannot completely replace each other in evaluating hair.
1 citations
,
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.
70 citations
,
February 2017 in “Dermatologic Surgery” Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.
10 citations
,
January 2019 in “Skin Research and Technology” Southern Chinese women with female pattern hair loss have less, thinner hair and smaller hair follicles.
October 2023 in “Research Square (Research Square)” Polynucleotide gel injections help reduce hair loss and increase hair thickness in people with pattern hair loss, with few side effects.
Hair loss is caused by hormonal changes that shorten hair growth phases and shrink hair follicles.
December 2022 in “JEADV Clinical Practice” Hair density and thickness decrease in specific scalp areas in people with androgenetic alopecia.
12 citations
,
January 2014 in “Menoufia Medical Journal” Dermoscopy improves diagnosis of hair and scalp disorders and can help avoid unnecessary biopsies.
137 citations
,
July 2004 in “Journal of The American Academy of Dermatology” Horizontally sectioned scalp biopsies are more reliable for diagnosing hair loss in women when three samples are taken instead of one.
1 citations
,
January 2019 in “Journal of Biomedical Science and Engineering” CGF from platelets helps hair regrowth in people with androgenetic alopecia.
2 citations
,
July 2013 in “InTech eBooks” Scalp biopsy helps tell apart permanent and temporary hair loss types and guides treatment.
September 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher SHBG levels are linked to less severe hair loss in women, but vitamin D levels don't seem to affect hair loss.
Trichoscopy is effective for tracking treatment progress in hair loss when used by an experienced doctor.
9 citations
,
August 2014 in “The Journal of Dermatology” Scalp areas that look normal in people with hair loss may still show signs of disease under a microscope.
January 2001 in “대한피부과학회지” Horizontal sectioning helps diagnose hair loss, but Korean follicle differences matter.
1 citations
,
August 2010 in “Journal of dermatology” Photoepilation significantly reduces hair, and phototrichograms can objectively measure its effectiveness.
August 2023 in “Asian journal of pharmaceutical and clinical research” Intense Pulsed Light is an effective and safe hair removal method for people with excessive hair growth.
April 2016 in “Journal of The American Academy of Dermatology” Certain scalp tissue features can predict how well alopecia areata responds to steroid injections.
19 citations
,
December 2001 in “Dermatologic Therapy” Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.
12 citations
,
June 2006 in “Anais Brasileiros de Dermatologia” The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
2 citations
,
May 2018 in “Journal of The American Academy of Dermatology” Hypothyroidism patients with hair loss typically have thinning hair, smaller hair follicles, and normal hair shedding.