May 2025 in “Lasers in Surgery and Medicine” This study reported that nonablative monopolar radiofrequency therapy provided sustained reductions in both inflammatory and noninflammatory acne lesion counts and sebum production in participants with moderate-to-severe acne vulgaris, with high patient satisfaction and no significant adverse effects observed up to 12 months posttreatment.
4 citations
,
July 1983 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” In this study, hirsute women treated with cyproterone acetate and ethinyloestradiol experienced significant reductions in sebum secretion and hair growth after several months.
9 citations
,
January 2022 in “Reproductive Biology and Endocrinology” This study aimed to identify reliable predictors for the effectiveness of metformin therapy in weight loss and reduction of plasma androgen levels in PCOS women, highlighting the unpredictability of response to treatment.
5 citations
,
April 2014 in “Journal of Lipid Research” This study demonstrates a method to noninvasively assess lipid classes in rodent sebum via high-field proton NMR, observing significant lipid reductions in rats treated with an SCD1 inhibitor.
June 2026 in “Frontiers in Physiology” In this study, a topical cream containing 3% lactic acid ferment lysate (VHProbi ® MixP) was found to significantly reduce sebum, porphyrin levels, and pore size, while increasing hydration and improving skin texture in participants with oily skin over a 60-day period.
April 2023 in “Journal of Investigative Dermatology” In this study, bariatric surgery in patients with morbid obesity improved various skin conditions, although acute telogen effluvium was common, with notable reductions in facial sebum and skin elasticity changes.
November 2022 in “Journal of Investigative Dermatology” This study found that MPZL3 knockout mice showed reduced dermal white adipose tissue and increased sebocyte proliferation, suggesting a regulatory role for MPZL3 in lipid metabolism balance between adipocytes and sebocytes.
January 2026 in “Open Science Framework” In this study, network meta-analyses were used to explore the ranking of various 5-alpha reductase inhibitor regimens on reducing dihydrotestosterone levels and to investigate whether this reduction correlates with increased total hair density in male androgenetic alopecia.
July 2026 in “Journal of Dermatological Treatment” In this randomized trial of Iranian men with moderate to severe androgenetic alopecia, researchers found that both finasteride and dutasteride improved hair density over 24 weeks, with dutasteride showing stronger PSA reduction but similar safety to finasteride.
8 citations
,
May 2011 in “Journal of Pharmacology and Experimental Therapeutics” In this study, the safety of finasteride in rats varied depending on dosing time, while its effectiveness on prostate weight reduction remained consistent.
3 citations
,
June 2024 in “Frontiers in Endocrinology” In this study, COC treatment led to greater improvements in sex hormone, endocrine factor, and metabolic levels among PCOS patients compared to those who did not receive the treatment.
3 citations
,
September 2023 in “Cosmetics” This study found that training in a hypoxic chamber did not significantly impact skin features in overweight and obese women, though it did result in a notable reduction in body weight and BMI.
2 citations
,
March 2015 in “World journal of acupuncture-moxibustion” This study concluded that catgut embedment combined with moxibustion and bloodletting may be more effective than finasteride for treating androgenic alopecia, possibly due to reductions in testosterone and the testosterone/estradiol ratio.
March 2024 in “International journal of molecular sciences” This study suggests that abnormal levels of zinc, copper, and iron in serum or hair may serve as auxiliary and prognostic tests for various skin diseases, though further research is necessary due to conflicting data.
January 2015 in “Iraqi Journal of Hematology” In this study, oral iron replacement therapy showed improvement in hair loss severity for some women with low serum ferritin levels, but not all responded.
93 citations
,
February 2008 in “Atmospheric environment” In this study, researchers found that human scalp hair, particularly when unwashed, can significantly react with ozone, reducing personal ozone exposure and increasing exposure to volatile reaction products.
11 citations
,
May 2010 in “Journal of Medicinal Chemistry” This study introduced a novel nonsteroidal androgen receptor antagonist that effectively controls sebum production in the golden Syrian hamster ear model through targeted follicular delivery.
8 citations
,
February 2022 in “Molecules” This study found that Asparagus racemosus root extract significantly reduced facial sebum production and pore size in male volunteers, suggesting potential application as an anti-sebum ingredient in cosmetics.
27 citations
,
July 1982 in “British Journal of Dermatology” The antiandrogen 11α-hydroxyprogesterone effectively reduces skin oil and cholesterol when applied to the skin.
7 citations
,
April 2009 in “Bioorganic & Medicinal Chemistry Letters” Diphenyl ethers can potentially reduce excess oil production when applied on the skin, helping treat conditions like acne.
65 citations
,
October 1999 in “Journal of The American Academy of Dermatology” In this study, finasteride doses as low as 0.2 mg per day significantly reduced both scalp skin and serum DHT levels in men with androgenetic alopecia.
1 citations
,
November 2022 in “International Journal of Cosmetic Science” In this study, a topical application of Lotus corniculatus seed extract significantly reduced sebum production and skin oiliness in humans through inhibition of lipid synthesis pathways.
16 citations
,
January 2000 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” This study found that serum PSA levels are higher in hirsute women and can be significantly reduced by antiandrogen treatment, suggesting PSA as a marker of androgen action in females.
4 citations
,
January 2018 in “JBRA assisted reproduction” This study found that orlistat significantly reduced weight and total testosterone levels in Iranian women with polycystic ovary syndrome after 12 weeks of treatment.
2 citations
,
August 2020 in “Journal of Cosmetic Dermatology” This study found that in patients with alopecia areata, serum granulysin levels decreased significantly after treatment with tofacitinib and correlated with reduced disease severity, suggesting serum granulysin as an indicator of immunological activity and response to therapy.
January 2013 in “kerbala journal of pharmaceutical sciences” The researchers reported that adult menstruating females with chronic telogen effluvium had significantly lower serum zinc levels compared to healthy controls, suggesting an association between decreased zinc levels and CTE.
42 citations
,
December 2015 in “International Journal of Clinical Pharmacology and Therapeutics” This study found that applying a novel 0.25% finasteride solution to the scalp can effectively reduce scalp DHT levels in men with androgenetic alopecia, potentially reducing systemic side-effects.
18 citations
,
September 2015 in “Clinical Endocrinology” This study found that women with polycystic ovary syndrome have higher serum VEGF-B levels, which are linked to insulin resistance and decrease after metformin treatment.
May 2025 in “Health Science Reports” This study reported that applying Serum WS Biotin, a water-soluble form of D-Biotin, daily for 3 months significantly reduced hair shedding and increased hair strength in volunteers with moderate to excessive hair shedding, while showing good skin compatibility.
November 2024 in “Journal of Cosmetic Dermatology” This study found that a hair serum with plant-derived ingredients significantly reduced hair loss in women with chronic telogen effluvium over 16 weeks, and was well-tolerated, leading to improved hair characteristics and quality of life compared to a control group.