405 citations
,
January 2004 in “Journal of Investigative Dermatology” Hair follicle size and distribution vary significantly across different body sites.
January 2019 in “Journal of cosmetology & trichology” L-Cystine and L-Cystine with Kera-Diet® safely improved hair and nail quality in healthy women.
November 2014 in “British Journal of Dermatology” Hair loss is due to thinner hairs, not less hairs; hair diameter indicates balding progression and treatment effectiveness.
14 citations
,
November 2012 in “SLAS discovery” Some herbal extracts can promote hair growth and prevent hair loss.
September 2017 in “Journal of Clinical Dermatology” A growth factor cocktail with FGF9 and microneedling effectively increases hair density and diameter in hair loss patients.
4 citations
,
October 2019 in “Skin appendage disorders” PRP injections safely increase hair density and thickness in androgenetic alopecia.
December 2021 in “Vestnik Rossiĭskoĭ akademii meditsinskikh nauk / Rossiĭskaia akademiia meditsinskikh nauk” Personalized vitamin and trace element treatment improves hair density and reduces hair loss in men with early-stage androgenic alopecia.
Hair regrowth improved, but quality of life did not.
July 2025 in “Clinical Cosmetic and Investigational Dermatology” PRP therapy effectively improves hair density and reduces hair loss in androgenetic alopecia.
7 citations
,
September 2004 in “대한의생명과학회지” An extract made from Polygoni multiflori Radix, Angelica gigantis Radix, and Lycii Fructus was found to increase hair density and prevent hair loss in most users when applied daily for 18 months.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Roota Hair Growth Serum helps regrow and strengthen hair.
3 citations
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December 2021 in “Skin research and technology” Higher hair luminosity and shine mean higher perceived transparency.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Roota Hair Growth Serum helps regrow and strengthen hair.
October 2025 in “Research Journal of Science and Technology” The herbal hair serum improves hair health naturally by hydrating, nourishing, and strengthening hair.
November 2025 in “Aurum Revista Multidisciplinar” Microneedling with growth factors effectively increases hair density in androgenetic alopecia.
1 citations
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August 2021 Biomimetic dermal papilla spheres can help regenerate hair to some extent.
PRP therapy improves hair density and satisfaction more than Minoxidil for androgenetic alopecia.
June 2023 in “Journal of chemical metrology” A new method found unlisted drugs in two popular hair serums, posing a health risk.
1 citations
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January 2014 in “International Journal of Trichology” A patient with a rare hair condition and skin disorder showed hair improvement after treatment.
323 citations
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November 1984 in “Journal of Investigative Dermatology”
41 citations
,
April 2012 in “Journal of The European Academy of Dermatology and Venereology” Dutasteride-containing mesotherapy effectively treats female hair loss, improving density and thickness with minimal side effects.
32 citations
,
January 1990 in “Clinical Endocrinology” Women with female pattern hair loss have higher levels of certain androgens, suggesting increased androgen exposure to hair follicles.
January 2019 in “프로그램북(구 초록집)” Synthetic ceramide improves dandruff, erythema, and reduces scalp water loss.
4 citations
,
January 2016 in “Journal of analytical & bioanalytical techniques” The herbal hair gel could be a safe hair growth treatment with minimal side effects.
8 citations
,
August 2020 in “Experimental dermatology” PRP therapy for alopecia shows inconsistent results due to natural variability in growth factor secretion by platelets.
3 citations
,
January 2011 in “International journal of trichology” Low DHEA-S levels might be linked to alopecia areata and could be a potential treatment target.
2 citations
,
February 1990 in “PubMed” DDR-II hair follicle cells don't respond to 1, 25-dihydroxyvitamin D3, aiding diagnosis.
April 2019 in “Journal of the Endocrine Society” A rare adrenal tumor in a woman only made DHEA-S, causing hair thinning, and was removed, fixing the hormone level.
September 2022 in “International Journal of Trichology” Trichoscopic measurements help determine the severity of female pattern hair loss.
1 citations
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March 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” The hair treatment made hair grow faster and thicker and strengthened the hair roots.