22 citations
,
April 1972 in “Journal of Steroid Biochemistry” Beard hair follicles convert testosterone to 5α-dihydrotestosterone most intensively.
41 citations
,
July 2001 in “PubMed” Estrogens can reduce DHT production in hair follicles, but are less effective than finasteride and progesterone.
4 citations
,
April 2001 in “Experimental Dermatology” Using single dermal papillae is unreliable for analyzing androgen metabolism in hair follicles.
31 citations
,
October 1971 in “Steroids” Human beard hair follicles change testosterone into other related hormones, but don't much change androstenedione into testosterone.
4 citations
,
April 1999 in “Dermatologic Clinics” Androgens, like DHT, affect hair growth and treatments like finasteride may help.
22 citations
,
April 2015 in “Current problems in dermatology” Human hair follicles have a unique metabolism that changes between growth stages and may contribute to baldness.
233 citations
,
November 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Creating stronger blockers for skin enzymes might lead to better treatment for conditions like acne and excessive hair growth.
31 citations
,
August 2001 in “PubMed” Hair follicles convert androgens, affecting hair loss patterns.
9 citations
,
February 2004 in “Veterinary Dermatology” Canine hair follicle cells metabolize DHEA and testosterone differently than human cells.
25 citations
,
November 1979 in “International Journal of Dermatology” Androgens affect skin conditions like acne and hair loss through specific biochemical pathways.
159 citations
,
July 2006 in “Endocrine Reviews” Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.
56 citations
,
August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Different women's hair and skin glands respond to hormones in varied ways, which can cause unwanted hair growth even with normal hormone levels, and more research is needed to treat this effectively.
8 citations
,
November 2020 in “Journal of Cosmetic Dermatology” The ingredients may help prevent hair loss and aging by boosting hair growth signals and reducing stress and hormone effects.
November 1993 in “PubMed” High levels of androgens can cause skin issues like acne, hair loss, and excessive hair growth.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Hair loss is caused by mechanical, thermal, and metabolic factors, not just hormones.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Hair loss is caused by mechanical, thermal, and metabolic stress, not just hormones.
15 citations
,
May 2002 in “PubMed” Hormones, especially DHT, affect hair loss and growth, and targeting specific enzymes may help treat hair loss.
7 citations
,
January 1981 in “Springer eBooks” The document concludes that hair biology is complex and there are still unanswered questions about hair loss and follicle changes.
21 citations
,
November 2017 in “Archives of Dermatological Research” Higher enzyme levels found in women with hair loss, suggesting hormone imbalance.
22 citations
,
February 2008 in “Biochemical and Biophysical Research Communications” Androgen effects on hair follicles vary by skin area.
Hair RiseTM microemulsion effectively promotes hair growth and treats hair loss better than standard treatments.
25 citations
,
July 1994 in “Journal of dermatological science” Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.
7 citations
,
May 1978 in “International Journal of Dermatology” Recent hair loss research shows some progress, especially in understanding male pattern baldness, but effective treatments for many types of hair loss are still lacking.
12 citations
,
February 1997 in “British Journal of Dermatology” The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.
24 citations
,
April 2021 in “BMC women's health” High BMI worsens hair growth in women with PCOS.
14 citations
,
July 1987 in “Dermatologic Clinics” The document concludes that treating female hair loss should target reducing excess androgen and blocking its effects on hair follicles, with the best treatments being hormonal therapy, adrenal suppression, and topical minoxidil.
12 citations
,
January 2005 in “Journal of Cosmetic Dermatology” AGA affects many, progresses differently, and early treatment is crucial.
1 citations
,
August 2021 in “Arhivʺ vnutrennej mediciny” Hormonal imbalances can cause hair loss, and understanding them can help develop better treatments.
1 citations
,
January 2010 in “Springer eBooks” Hair loss in androgenetic alopecia may be due to ongoing tiny inflammation and tissue changes around hair follicles.
Age-related changes in scalp glands may affect hair health, but sulforaphane might help.