December 2019 in “C&EN Global Enterprise” This study found that the internal structure and fracture patterns of hair vary among different mammal species, which could inform the development of keratin-based biomaterials for medical and cosmetic applications.
This study found that DR SKS Hair Growth Booster Serum significantly reduced hair fall and improved hair density in patients with androgenic alopecia over six months, with high patient satisfaction and no major adverse events reported.
January 2020 in “Journal of Cosmetics, Dermatological Sciences and Applications” In a 3-month study, over 90% of healthy women experiencing self-perceived hair thinning reported that the nutritional supplement DEEPLY ROOTED improved their hair growth, volume, and quality, without significant adverse effects.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This abstract promotes a 100% natural hair oil, claiming it effectively reduces hair loss, promotes thicker growth, and provides long-lasting results for all hair types by nourishing the scalp and strengthening roots.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This source does not report actual study results but promotes an anti-hair fall oil claimed to nourish the scalp, strengthen roots, and promote hair growth with herbal extracts, suitable for all hair types.
This article reviews differences in hair characteristics between Asians and Caucasians, highlighting Asian hair's lower density and thicker dermis, and reports no new research findings.
43 citations
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July 1984 in “Clinical and Experimental Dermatology” This study found that women with common baldness treated with cyclical antiandrogen therapy for 52 weeks experienced increased hair density and a higher percentage of hairs in the anagen growth phase.
41 citations
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October 2017 in “International Journal of Women's Dermatology” This review provides an overview of the physiologic skin changes during pregnancy but reports no new findings, emphasizing the need for physicians to distinguish between benign and potentially pathological conditions.
7 citations
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April 2013 in “Clinical and Experimental Dermatology” This study found that tianeptine may suppress the transition to catagen, promoting hair growth in a stress-induced alopecia areata mouse model.
127 citations
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January 2013 in “PLOS ONE” This study found that feeding aged mice a probiotic yogurt induced changes leading to thicker, healthier fur, suggesting a bacteria-triggered interleukin-10-dependent mechanism that mimics signs of youth and reproductive fitness.
January 2022 in “Journal of Cosmetics, Dermatological Sciences and Applications” This study found that applying SERUM THICKER increased hair density significantly over six months in individuals with mild to moderate androgenetic alopecia, with greater efficacy from daily use.
48 citations
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September 2020 in “Frontiers in Immunology” In this study, researchers found that loss of OGG1 in a mouse model of systemic lupus erythematosus increased IFN-driven immune responses and aggravated skin lesions, suggesting a protective role for OGG1 in SLE skin disease.
17 citations
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January 2011 in “Skin Research and Technology” Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.
June 2023 in “Experimental dermatology” This study found that pubic hair from Korean males has a thicker cuticle layer with more scales compared to scalp hair, offering better protection against chemical damage, and hypothesizes this evolved as a defense mechanism against exposure to urine and ammonia.
March 2014 in “CRC Press eBooks” Human head hair can grow very long and is thicker than most body hair.
11 citations
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June 2012 in “Acta histochemica” This study found that Gsdma3 mutations in mice led to thicker skin and longer hair infundibula, possibly by negatively regulating β-catenin expression in the epidermis.
2 citations
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February 2020 in “Journal of Plastic Surgery and Hand Surgery” This study found that donor sites with higher hair density and thicker hair diameter had a better appearance after follicular unit excision in men with androgenic alopecia.
East and Southeast Asians typically have less dense but thicker, straight black hair.
The guide suggests using keratin fibers and wigs to help hair look thicker or hide hair loss.
April 2024 in “Journal of the American Academy of Dermatology” Low-dose minoxidil helps hair grow longer and thicker in people with short anagen syndrome.
10 citations
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July 2017 in “Archives of Plastic Surgery” This study found that hair diameter varies significantly within the occipital safe donor area, with thicker hair in the upper sections and thinner hair in the lower sections.
2 citations
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April 2023 in “Archives of Aesthetic Plastic Surgery” This study found that measuring hair thickness with a phototrichogram provided significantly thicker readings than using a micrometer caliper, suggesting that the phototrichogram may be more clinically useful for evaluating hair in patients undergoing hair transplantation.
October 2023 in “Acta dermato-venereologica” Minoxidil and platelet-rich plasma can help turn thin hair into thicker hair in male pattern baldness.
76 citations
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December 2006 in “Journal of Dermatological Science” This study observed that Japanese women experience diffuse central hair loss after age 40, characterized by reduced hair density and thicker hair ratio rather than vellus-like hairs.
January 2025 in “International Journal of Advanced Research in Science Communication and Technology” Results are not reported for this study exploring how herbal hair dye, made from natural plant-based ingredients, might promote glossier, longer, and thicker hair while covering gray.
4 citations
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June 2020 in “Journal of Cosmetic Dermatology” This review describes the edge out punch for follicular unit excision, which may reduce follicle transection with its thicker walls and internal bevel design compared to other punch shapes, but reports no new clinical results.
In this study, 20% whale oil applied to mice was observed to promote hair growth more effectively than a control or 3% minoxidil, showing increased hair follicles and thicker subcutaneous tissue.
November 2023 in “Biology” This study investigated m6A RNA modification in hair follicle development, finding that Hycole rabbits displayed longer hair, higher primary hair follicle ratios, and thicker skin compared to Rex rabbits, while also identifying key differential genes and pathways involved in hair growth.
January 2017 in “Springer eBooks” Over 40% of postmenopausal women experience hair loss, with treatments aiming to stop further loss and possibly thicken hair.
March 2012 in “Journal of The American Academy of Dermatology” This study observed that white females with Ludwig I female pattern hair loss had higher hair density on the occipital scalp, whereas Asian females had thicker hair diameters in both frontal and occipital areas.