November 2022 in “Journal of Investigative Dermatology” The extract of Silybum marianum, Manganese PCA, and Lespedeza capitata can boost hair growth and extend the growth phase when combined in a serum.
1 citations
,
September 2022 in “JAAD international” Social media videos made by dermatologists significantly improved patient knowledge about hair loss.
July 2025 in “Journal of Investigative Dermatology” BrdU speeds up hair follicle aging and reduces hair quality.
2 citations
,
September 2017 in “Mehmet Akif Ersoy Üniversitesi Veteriner Fakültesi dergisi” Specific genes influence hair growth and quality in goats and sheep.
35 citations
,
July 2008 in “International Journal of Gynecology & Obstetrics” MPA improved hormonal imbalances and acne in women with PCOS without affecting metabolism.
90 citations
,
August 2002 in “European journal of endocrinology” Metformin improves hair growth and menstrual frequency in women with PCOS and hirsutism.
17 citations
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January 1986 in “Acta obstetricia et gynecologica Scandinavica” Spironolactone can reduce hair growth and testosterone in hirsutism, but is less effective than combined treatments.
September 2002 in “Fertility and sterility” Metformin can start ovulation and may lower 17P response in PCOS, but six months is too short to improve hair growth or change body fat distribution.
January 2019 in “Archives of dermatology and skin care” Biomimetic peptides were found to promote hair growth and prolong the growth phase in human hair follicles.
11 citations
,
February 2008 in “British journal of nursing” Idiopathic hirsutism causes excessive hair growth in women, can be treated with medication and hair removal, but cannot be fully reversed.
October 2023 in “International journal of research in dermatology” Mintop shampoo improved hair smoothness, shine, and strength after ten washes.
35 citations
,
July 2018 in “Cell Reports” The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.
23 citations
,
January 1991 in “Journal of Animal Science” Biotin supplementation in sow diets is unnecessary.
September 2024 in “Advanced Biomedical Research” Auriculotherapy and Aslagh capsules are as effective as metformin for treating PCOS symptoms, with auriculotherapy slightly better for reducing hair growth.
2 citations
,
December 1994 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The treatment effectively reduced hair growth and was safe for patients with PCOS, but it needs better bleeding control.
June 2022 in “Biomedical reports” STK11 gene variations do not predict how well metformin will work for PCOS, but may affect hair loss and excess hair growth.
January 1999 in “Current Problems in Pediatrics” Swimming in Lake Malawi can lead to schistosomiasis, hepatitis B vaccine might cause temporary hair loss, and certain drinks affect kidney stone risk.
2 citations
,
January 2013 Metformin improves acne, hair growth, and menstrual cycles in females with PCOS.
March 2026 in “Scientific Reports” Scalp cooling reduces hair loss and improves quality of life during chemotherapy.
20 citations
,
December 1997 in “Clinical Endocrinology” Spironolactone may help reduce hair loss in androgenic alopecia.
130 citations
,
January 1994 in “Differentiation” Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.
6 citations
,
November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
91 citations
,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
41 citations
,
November 2013 in “Experimental Dermatology” Leptin, a hormone, is important for starting hair growth.
31 citations
,
April 2007 in “Experimental Dermatology” Stress in mice delays hair growth and treatments blocking substance P can partly reverse this effect.
25 citations
,
September 2018 in “Scientific Reports” Morroniside may help hair grow and stay in its growth phase by affecting certain cell signals.
23 citations
,
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” NF-κB is crucial for different stages and types of hair growth in mice.
52 citations
,
October 2004 in “Veterinary dermatology” Melatonin and mitotane treatment led to hair re-growth in 62% of dogs with Alopecia X, but this was not always linked to normal hormone levels.
41 citations
,
June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
35 citations
,
May 2019 in “Frontiers in genetics” Non-coding RNAs play key roles in the hair growth cycle of Angora rabbits.