61 citations
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April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
58 citations
,
January 2020 in “International Journal of Molecular Sciences” Different methods of preparing Platelet-Rich Plasma (PRP) can affect wound healing and hair regrowth in plastic surgery. Using a kit with specific standards helps isolate PRP that meets quality criteria. Non-Activated PRP and Activated PRP have varying effects depending on the tissue and condition treated. For hair regrowth, Non-Activated PRP increased hair density more than Activated PRP. Both treatments improved various aspects of scalp health.
48 citations
,
March 2003 in “BJOG: An International Journal of Obstetrics and Gynaecology” Mothers and newborns with dental fillings had higher mercury in their hair, but getting fillings during pregnancy didn't raise mercury levels further.
47 citations
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January 2013 in “International Journal of Cosmetic Science” Hair diversity is influenced by complex genetics and environmental factors, requiring more research for practical solutions.
45 citations
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December 2009 in “Veterinary dermatology” The book is recommended for its new scientific information and balanced treatment options for hair loss in domestic animals.
43 citations
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November 2018 in “Nature Communications” Genetic variations affecting skin structure play a key role in severe acne.
40 citations
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May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
37 citations
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January 2009 in “Dermatology” Healthy women tend to lose more hair in July and April, and the least in February.
33 citations
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April 2005 in “British Journal of Dermatology” Aging alone barely affects the number of hair follicles, meaning hair loss is minimal without other conditions like androgenetic alopecia.
31 citations
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April 2016 in “Nature communications” Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.
31 citations
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May 2012 in “European Journal of Dermatology” Menopause affects hair and skin; more research needed for treatment.
30 citations
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April 2017 in “Experimental Dermatology” Hair follicle stem cells and skin cells show promise for hair and skin therapies but need more research for clinical use.
30 citations
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March 2017 in “ACS biomaterials science & engineering” Hair follicles are valuable for regenerative medicine and wound healing.
30 citations
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October 2015 in “Journal of Ethnopharmacology” Herbal compounds like ricinoleic acid, quercetin-3-O-rutinoside, and hinokiflavone may be safe and effective for treating hair loss.
30 citations
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December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” Steroids, particularly estrogens and 5α-reductase inhibitors, affect blood vessel-related hair growth processes in hair follicle cells.
29 citations
,
December 2011 in “British Journal of Dermatology” A new hair treatment with caffeine and other ingredients makes hair thicker and less likely to break.
29 citations
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July 1982 in “British Journal of Dermatology” Lithium treatment can cause increased hair shedding and hair loss in patients.
28 citations
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November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
28 citations
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March 2016 in “Toxicologic pathology” Dogs could be good models for studying human hair growth and hair loss.
28 citations
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March 1942 in “Journal of Endocrinology” Male rats grow hair faster than females, and certain hormones can slow or slightly increase hair growth, but not significantly beyond natural rates.
27 citations
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January 2010 in “Animal” South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.
25 citations
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July 2019 in “Experimental Dermatology” Cholesterol balance is important for hair health, and problems with it can lead to hair loss conditions.
23 citations
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December 2020 in “Frontiers in Cell and Developmental Biology” Gene network oscillations inside hair stem cells are key for hair growth regulation and could help treat hair loss.
23 citations
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March 2010 in “Medical hypotheses” Merkel cells may have roles in sensing magnetic fields, creating fingerprints, Reiki energy healing, passing on environmental information to offspring, and influencing hair shape.
21 citations
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October 2014 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair dyes can change hair color temporarily or permanently but may cause side effects like skin reactions and hair damage.
21 citations
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June 2009 in “Current Medical Research and Opinion” Most men with hair loss worry, try self-treatments, and delay doctor visits due to cost, uncertainty, and embarrassment.
20 citations
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September 1978 in “International Journal of Dermatology” Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.
19 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Dermal-epidermal interactions are crucial for hair growth and maintenance.
17 citations
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June 2001 in “Journal of the National Cancer Institute” A specific hair diffraction pattern may indicate breast cancer if tested with the correct method.
17 citations
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February 2018 in “Journal of Cosmetic and Laser Therapy” The QR 678 hair growth treatment was safe and effective for hair regrowth in men and women.