6 citations
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January 2010 in “PubMed” Scalp psoriasis is linked to impaired hair growth with more hair in the resting phase.
10 citations
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January 2014 in “Genetics and Molecular Research” Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.
5 citations
,
March 2021 in “International Journal of Dermatology” Biotin supplementation during isotretinoin treatment for acne may help maintain skin hydration and improve hair growth.
2 citations
,
January 2019 in “Journal of Cosmetics, Dermatological Sciences and Applications” The supplement and lotion significantly reduced hair loss and improved hair health.
May 2025 in “Clinical Cosmetic and Investigational Dermatology” Wheat extract supplements reduce hair shedding and improve growth in women with hair loss.
April 2023 in “Journal of Investigative Dermatology” Cinchona succirubra extract with caffeine improves hair growth and reduces hair loss.
20 citations
,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
March 2024 in “Journal of Evidence-Based Integrative Medicine” Teak leaf extract may effectively and safely promote hair growth in males with androgenic alopecia.
Kerascalp hair serum was found to be safe and effective in improving hair growth and strength in people with mild to moderate hair loss.
August 2019 in “Journal of The American Academy of Dermatology” RV3466F lotion significantly reduces hair loss and improves acute telogen effluvium.
18 citations
,
January 2007 in “Pharmaceutical Biology” Citrullus colocynthis extract is effective for hair growth, comparable to minoxidil.
6 citations
,
October 2018 in “Dermatologic Surgery” PRP therapy helps slow hair loss and increases hair thickness.
October 2025 in “International Journal of Research in Dermatology” The Ayurvedic treatment improved hair growth and reduced hair loss safely.
June 2025 in “Journal of the Faculty of Medicine Baghdad” Clove oil may help hair growth like minoxidil, but more human tests are needed.
August 2024 in “Cosmetics” Peanut callus extract helps grow hair and prevent hair loss.
Higher PD-1 levels mean fewer CD8+ T cells in alopecia areata hair follicles.
April 2023 in “Journal of Investigative Dermatology” Higher PD-1 levels are linked to fewer immune cells in hair follicles in alopecia areata.
November 2022 in “Journal of Investigative Dermatology” The lotion with specific plant extracts effectively increased hair growth and improved hair cycle in subjects after 3 months.
Hair loss is caused by hormonal changes that shorten hair growth phases and shrink hair follicles.
12 citations
,
July 2016 in “British journal of dermatology/British journal of dermatology, Supplement” Different hair fiber development might explain why hair loss severity varies in patients with a specific genetic mutation, and treatments that thicken hair could help.
8 citations
,
September 1995 in “Acta Dermato Venereologica” Calcipotriol treatment for scalp psoriasis does not cause hair loss.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
October 2021 in “Journal of Investigative Dermatology” Edelweiss extract may help prevent hair loss and increase hair density.
3 citations
,
January 2017 in “Journal of cosmetology & trichology” The food supplement with L-cystine, Serenoa repens extract, and biotin safely reduced hair loss and improved hair growth in men and women.
1 citations
,
January 2009 in “CRC Press eBooks” Finasteride increases hair count and improves hair growth with low risk of side effects.
June 2021 in “European journal of medical and health sciences” PRP therapy is a safe and effective treatment for hair loss.
December 2014 in “Turk Dermatoloji Dergisi” Topical Saw Palmetto and Trichogen Veg Complex increased hair count by 11.9% and improved hair growth in 48% of men with hair loss.
90 citations
,
June 2006 in “The American Journal of Dermatopathology” The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.
19 citations
,
December 2001 in “Dermatologic Therapy” Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.
1 citations
,
August 2010 in “Journal of dermatology” Photoepilation significantly reduces hair, and phototrichograms can objectively measure its effectiveness.