1 citations
,
December 2022 in “Pharmaceuticals” Noni fruit extract, specifically the FEA-3 sub-fraction, can increase hair growth and reduce baldness in male rabbits, potentially acting like common hair loss treatments.
1 citations
,
December 2022 in “Clinical, Cosmetic and Investigational Dermatology” Midscalp hair density and terminal hair percentage are good indicators of female pattern hair loss severity.
November 1991 in “PubMed” Minoxidil, a topical solution, was found to slow balding in most cases and increase hair density in some, but only a few saw significant cosmetic improvement.
72 citations
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October 1998 in “Baillière's clinical endocrinology and metabolism” Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.
71 citations
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August 2019 in “The journal of sexual medicine” Testosterone treatment effectively causes male physical development in transgender male adolescents but may lead to side effects like acne, higher BMI and blood pressure, lower good cholesterol, and decreased bone density.
7 citations
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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.
5 citations
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May 2004 in “Dermatologic Surgery” A hair restoration technique was introduced that mixes different types of hair groupings to reduce procedure time, limit damage, and potentially increase hair density, suggesting more hair can be transplanted than previously thought.
2 citations
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October 2021 in “Clinical Epidemiology and Global Health” High uric acid levels are more common in PCOS patients, especially those with androgenic PCOS, and are linked with increased cardiovascular risk and other metabolic issues.
July 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” The hair growth serum effectively reduced hair fall, promoted growth, and increased hair thickness and density without side effects.
January 2012 in “Human health handbooks” Low-level light therapy is FDA-approved for male pattern hair loss, increases hair count and strength, and is considered safe for use.
September 2021 in “VNU Journal of Science: Medical and Pharmaceutical Sciences” Platelet-rich plasma, which has growth factors, is used in many medical fields and can promote tissue repair, stimulate hair growth, and increase hair density.
1 citations
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June 2017 in “PubMed” Keratogrow®, a spray made from patients' own blood, was found to increase hair growth and density when used twice daily for three months.
58 citations
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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.
23 citations
,
May 2020 in “Cell Death and Disease” Blocking the FGF5 gene in sheep leads to more fine wool and active hair follicles due to changes in certain cell signaling pathways.
8 citations
,
January 2020 in “International Journal of Cosmetic Science” The combination of specific chemicals improves hair density in women.
February 2026 in “Journal of the Korean Society of Cosmetology” The ampoule significantly improves hair density, thickness, and usability without side effects.
June 2025 in “International Journal of Research in Dermatology” Indulekha Bringha oil improves hair growth and reduces hair fall better than coconut oil.
Amaranthus extract cream safely boosts hair growth in men with hair loss.
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.
51 citations
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November 1988 in “The Journal of Clinical Endocrinology & Metabolism” Higher levels of a specific hormone are linked to more chest hair and acne in men.
30 citations
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December 2017 in “Clinical, Cosmetic and Investigational Dermatology” Parietal scalp area has lower hair density and smaller hair diameter in women with hair loss.
16 citations
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January 2021 in “BMC Genomics” Higher hair follicle density leads to more wool in rabbits, influenced by specific genes and lncRNAs.
1 citations
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May 2002 in “British Journal of Dermatology” Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
August 2019 in “Journal of the American Academy of Dermatology” Ginseng and Albizia extracts help prevent hair thinning with age.
January 2013 in “Jiefangjun yixue zazhi” Finasteride reduced VEGF expression and microvascular density in diabetic mice.
May 2002 in “British Journal of Dermatology” Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
32 citations
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September 1997 in “Dermatologic Surgery” Mini-micrografting in hair transplants can give similar density to older methods with fewer sessions.
12 citations
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February 1999 in “British Journal of Dermatology” Minoxidil increased small openings in blood vessel walls near growing hair in rats.
1 citations
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December 2025 in “International Journal of Molecular Sciences” Atelocollagen boosts collagen production and improves skin elasticity in aged skin.
47 citations
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June 1987 in “Journal of Plant Nutrition” Soil phosphorus is key for maize phosphorus uptake.