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Research

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research Association between serum melatonin and skin aging in an urban population of Mongolia

6 citations , September 2019 in “Journal of cosmetic dermatology”

This study found that lower serum melatonin levels were associated with increased skin aging grades among individuals in Ulaanbaatar, suggesting melatonin loss may contribute to earlier skin aging.

Sebum Production: Analysis, Impact, and Measurement Methods

research Sebum Production

1 citations , September 2016 in “Springer eBooks”

This article reports no new data; it describes the role of sebum in influencing the skin microbiome and epithelial tissues and discusses its altered composition during transit through the sebaceous duct.

research Trichoscopy pattern and evaluation of serum vitamin D status in alopecia areata

March 2023 in “Photodiagnosis and Photodynamic Therapy”

This study found that vitamin D levels were lower in alopecia areata patients, with trichoscopic features like broken hairs and black dots more prevalent in cases with vitamin D deficiency.

research EEMCO Guidance for the in vivo Assessment of Skin Greasiness

137 citations , January 2000 in “Skin Pharmacology and Physiology”

This review outlines the factors affecting skin greasiness and sebum production, highlighting measurement challenges but reports no new clinical findings; further research may guide sebosuppressive treatments for acne.

research The Conundrum of Skin Pores in Dermocosmetology

87 citations , December 2004 in “Dermatology”

This review discusses the term "skin pore," its different meanings, and current methods to objectively describe skin pores, but reports no new clinical findings.

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Community Join

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community Warning: finasteride to dutasteride switch

in Finasteride/Dutasteride 73 upvotes 1 year ago

Switching from finasteride to dutasteride can cause significant hair shedding if done abruptly. It's recommended to overlap both treatments and gradually taper off finasteride to minimize shedding.

community Making the switch to dutastetide and oral minoxidil

in Finasteride/Dutasteride 7 upvotes 4 months ago

Switching from finasteride and topical minoxidil to oral dutasteride and oral minoxidil can cause initial hair shedding, but many users report improvement after a few months. Opinions vary on whether to taper off or switch directly, with some suggesting gradual changes to monitor side effects.

community 22M – Started hair loss at 16 | Journey so far:

in Chat 7 upvotes 1 year ago

A 22-year-old shared their hair loss journey, starting with homeopathic treatments and later using Minoxidil and Finasteride, seeing some regrowth. They are currently on oral Finasteride, PRP treatments, and saw palmetto serum, considering reintroducing Minoxidil or switching to Dutasteride for better results.

community Ultimate DHT/finasteride microdosing graph to replace the commonly one referenced on forums

202 upvotes 5 years ago

Hair loss treatments, specifically, discussing the effectiveness and side effects of finasteride, minoxidil, and RU58841 in various microdoses. It also includes an updated graph which provides information on how different doses affect DHT levels, scalp skin and serum androgen levels, as well as hair count.

community 24F - AGA & TE since 14. Is this regrowth for sure?

2 upvotes 8 months ago

A 24-year-old woman with AGA and TE since age 14 is questioning if her hair is regrowing or breaking. She has been using minoxidil consistently since September 2025, along with caffeine and ketoconazole shampoos, rosemary oil, and saw palmetto, and has improved her overall hair care routine.

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Learn

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learn Baicapil

Could a daily serum with Baicapil help revive dormant hair follicles before it’s too late? Yes, a daily serum with Baicapil may help revive dormant hair follicles.

learn Bimatoprost

Can a lash-growth serum like bimatoprost actually work for your scalp? Bimatoprost (Latisse) is approved for eyelashes, not the scalp; two Allergan phase 2 trials in men with androgenetic alopecia posted results to ClinicalTrials.gov but were never published in a peer-reviewed journal, so scalp use remains off-label and experimental.

learn Hyaluronic Acid

What’s the difference between using hyaluronic acid as a serum on the scalp versus taking it as a supplement? Hyaluronic acid serum hydrates the scalp surface, while supplements may support overall hair health.

learn Exosomes

Are exosomes applied as a serum, an injection, or combined with other hair treatments? Exosomes are typically injected directly or combined with other hair treatments.

learn Rapamycin

Are there any visible side effects when using rapamycin cream or serum on the scalp? Visible side effects may include skin irritation or redness when using rapamycin on the scalp.

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Experts

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33
Hair Transplant Surgeon
Dr. Tapeshwar Sehgal, MD
Hisar, Haryana, India

Clinics

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Dr. Tapeshwar Sehgal, MD