6 citations
,
August 2007 in “Journal of Surgical Research” Mice genetically modified to produce more Del1 protein had faster hair regrowth.
4 citations
,
November 2016 in “Dermatologic Therapy” Topical tretinoin may increase beard hair density.
14 citations
,
January 2001 in “Clinical chemistry” Hair can be used to measure cancer-related chemicals noninvasively.
August 2023 in “The Indonesian Biomedical Journal” Rosemary essential oil improved hair growth and thickness in UVB-exposed mice.
16 citations
,
December 2019 in “Animals” Overexpressing Tβ4 in goats' hair follicles increases cashmere production and hair follicle growth.
2 citations
,
April 2022 in “Biomedicines” Low-frequency electromagnetic fields may help hair growth by affecting certain growth-related molecules.
1 citations
,
May 2022 in “International Journal of Cosmetic Science” Edelweiss extract can increase hair density and promote hair growth.
14 citations
,
April 2005 in “Experimental Dermatology” Stressed fibroblasts greatly increase melanin production in hair, skin, and eye cells, mainly due to a growth factor called bFGF.
105 citations
,
May 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” Activating TRPV3 stops human hair growth.
11 citations
,
April 2013 in “Homo” Darker skin in 10-year-old girls may be an early sign of puberty.
September 2019 in “Journal of Investigative Dermatology” Apple stem cell extract may increase the number of stem cells in a part of the hair follicle.
12 citations
,
January 2022 in “Cells” Dermal papilla cell vesicles can boost hair growth genes in fat stem cells.
1 citations
,
May 2021 in “Journal of Cosmetic Dermatology” Cosmetic foam product reduces hair loss and increases hair density in men.
November 2025 in “Journal of Clinical Medicine” The drinkable supplement reduced hair shedding and increased hair growth in women.
Melatonin may help hair growth by affecting certain cell signals, and the paper improved after revisions.
23 citations
,
June 2016 in “FEBS Journal” Boosting β-catenin signaling in certain skin cells can enhance hair growth.
6 citations
,
July 2012 in “Experimental Dermatology” The substance from human hair root cells can help maintain hair growth and make skin cells more capable of growing hair.
14 citations
,
November 2019 in “Mediators of inflammation” IL-6 from stem cells helps repair skin and grow hair.
30 citations
,
June 1993 in “The Journal of Cell Biology” The oncoprotein causes abnormal hair growth without increasing skin cancer risk.
May 2021 in “Research journal of topical and cosmetic sciences” TrichovitalsTM improved skin, hair, and nail health in adults after 12 weeks.
January 2012 in “Journal of the Dermatology Nurses’ Association” The document explains hair growth, hair loss types, and other hair-related terms.
14 citations
,
April 2022 in “Climacteric” Menopause causes dry skin, wrinkles, and hair changes, with hormone therapy helping but not recommended just for these issues.
176 citations
,
August 2000 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Hormone treatments in transsexual individuals reduce hair growth and oil production in male-to-females and increase them in female-to-males.
26 citations
,
December 2006 in “Endocrinology” A cream with a specific hormone blocker increases hair growth in mice.
September 2004 in “Experimental Dermatology” Stress increases nerve growth factor, causing hair loss in mice.
July 2001 in “Pediatrics in review” The girl's increased hair growth and other symptoms were due to a hormone-secreting ovarian tumor, which was successfully treated with surgery.
78 citations
,
February 2004 in “British Journal of Dermatology” Melatonin helps hair growth in women with hair loss.
108 citations
,
July 2004 in “American Journal of Pathology” Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.
75 citations
,
June 1999 in “Pediatric Clinics of North America” The document concludes that early recognition and treatment of PCOS in adolescents is crucial for managing symptoms and long-term health risks.
January 2020 in “Journal of Clinical Dermatology” Dutasteride helps increase hair density in patients with female-pattern hair loss by activating a new growth mechanism.