May 2002 in “British Journal of Dermatology” Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
1 citations
,
November 2022 in “Pharmaceutical research” The simulation showed that hypobaric pressure improves drug delivery through the skin, but stretching alone doesn't fully explain the increase.
September 2002 in “대한피부과학회지” Koreans have lower hair density, larger hair diameter, and slower hair growth than Caucasians.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting the Tsc2 gene in certain cells leads to thicker skin, larger hair, and changes in hair growth signaling, which can be partly reversed with specific treatment.
1 citations
,
May 2002 in “British Journal of Dermatology” Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
31 citations
,
February 2020 in “BioMed Research International” Thai people's hair density decreases with age and varies by scalp area, but hair thickness stays the same regardless of age or scalp area.
2 citations
,
August 2019 in “International Journal of Cosmetic Science” Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
June 2025 in “Research Square (Research Square)” Stem cell exosome injections can safely improve hair growth and thickness in men with hair loss.
March 2025 in “Journal of Cosmetic Dermatology” Botulinum toxin type A may widen certain arteries, but more research is needed.
25 citations
,
April 2019 in “Animals” KRTAP28-1 gene can help breed sheep with finer wool.
January 2025 in “Science World Journal” Male and female scalp hair differ in size, density, length, curliness, pigmentation, and cuticle preservation.
150 citations
,
April 1999 in “Dermatologic Clinics” Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.
95 citations
,
January 2007 in “Human biology” Human hair can be classified into eight types based on physical features, not ethnicity.
30 citations
,
April 2009 in “Dermatologic Surgery” TrichoScan helps identify subtle hair thinning in women with androgenetic alopecia.
13 citations
,
May 2015 in “Journal of The American Academy of Dermatology” Oral minoxidil improves hair growth in men with hair loss, but caution needed for those with heart issues.
11 citations
,
January 2015 in “Annals of Dermatology” Using a hair removal laser can make hairs finer for better hairline correction in hair transplants, with most patients happy and few side effects.
10 citations
,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
Vitamin supplements may not improve hair thickness or density in patients with non-scarring hair loss.
1 citations
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August 2017 in “Journal of food and nutrition research” The herbal supplement increased hair thickness and reduced scalp oiliness in women.
May 2026 in “Clinical Cosmetic and Investigational Dermatology” The buffy coat method slightly outperformed apheresis in patient-reported hair improvement for treating hair loss.
January 2026 in “Dermatologic Therapy” Botulinum Toxin can improve hair growth in androgenetic alopecia, but more research is needed.
October 2025 in “Frontiers in Medicine” The minoxidil-finasteride combination is more effective for hair growth than minoxidil alone.
September 2023 in “Archives of Dermatological Research” Using minoxidil with microneedling increases hair count for hair loss without serious side effects.
May 2015 in “Journal of The American Academy of Dermatology” Oral minoxidil effectively increases hair growth in male baldness but can cause side effects like excessive hair growth and swelling.
July 2022 in “Journal of Investigative Dermatology” Combining Low Level Light Therapy and minoxidil may help with hair growth, but more research is needed.
5 citations
,
June 2016 in “Dermatologic Surgery” Hair restoration for East Asians should consider their unique characteristics like head shape, hair thickness, and hair density, and use modified procedures and treatments to minimize scarring and maintain hair density.
4 citations
,
June 2016 in “Rossiiskii Zhurnal Kozhnykh i Venericheskikh Boleznei” Combining iron supplements with Qilib lotion is more effective for treating hair loss from iron deficiency.
June 2024 in “Journal of clinical oncology” Scalp cooling can effectively prevent hair loss during chemotherapy, improving patients' quality of life.
70 citations
,
February 2017 in “Dermatologic Surgery” Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.
12 citations
,
May 2019 in “Aesthetic Surgery Journal” Platelet-Rich Plasma and stem cell therapy can increase hair count and density, but the best method for preparation and treatment still needs to be determined.