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Glossary Serum

clear fluid remaining after blood clots, minus cells and proteins

Serum is the clear, yellowish fluid that remains after blood has clotted and the blood cells and clotting proteins have been removed. It contains important components like electrolytes, antibodies, hormones, and proteins, which are crucial for various bodily functions and diagnostic tests. In the context of hair and alopecia, serum can refer to specialized topical treatments designed to nourish the scalp and promote hair growth.

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Research

5 / 1000+ results

research The role of serums in addressing skin concerns: Exploring efficacy, safety and Trends in Beauty and Skincare

2 citations , November 2024 in “GSC Biological and Pharmaceutical Sciences”

This article outlines the evolving role of cosmetics in enhancing confidence and attractiveness, highlighting their ability to address skin and hair concerns with active ingredient serums.

research Serums and Hair Styling Products

May 2026

This study outlines that hair styling products, commonly used for temporary transformations, often contain ingredients like surfactants and fragrances that can cause contact dermatitis on the face and scalp.

research Formulation and evaluation of herbal hair serum-a review

August 2023 in “International journal of basic and clinical pharmacology”

This review article describes the ingredients and evaluation tests for formulating a hair serum aimed at improving hair growth and preventing hair loss, highlighting the roles of Citrus sinensis, Nigella sativa, flax seed, and coconut oil in addressing hair and scalp health.

research Serum prostate spesific antigen levels in women with androgenetic alopecia

April 2019 in “Turkderm”

This study examined serum PSA levels in women with androgenetic alopecia to evaluate their potential as a marker for androgen effects on target organs.

research Exogenous Testosterone (T) Alone or with Finasteride Increases Physical Performance, Grip Strength, and Lean Body Mass in Older Men with Low Serum T

506 citations , March 2005 in “The Journal of Clinical Endocrinology and Metabolism”

This study found that testosterone therapy improved physical performance and strength in older men with low testosterone over 36 months, whether administered alone or with finasteride.

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Community Join

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community Serum based on plant extracts boosts hair growth in weeks.

44 upvotes 11 months ago

A serum containing Centella asiatica extracellular vesicles, IGF-1, FGF-7, and caffeine significantly improved hair thickness, density, length, and reduced hair loss after 56 days. The conversation also discusses how treatments like finasteride, minoxidil, and ketoconazole address different aspects of hair loss by reducing DHT, improving blood flow, and lowering inflammation.

community Serum containing minoxidil and bimatoprost analogs

1 year ago

A user discusses using a serum called Dallixa, containing minoxidil-like and bimatoprost-like compounds, for hair loss and greying. The user's dermatologist advised against finasteride and suggested the serum might improve hair pigmentation.

community Serum DHT data wanted for insights into dutasteride efficacy. Please get in touch!

in General 132 upvotes 1 year ago

The conversation is about gathering serum DHT data from individuals taking dutasteride to investigate its efficacy, especially in cases with unexpectedly low DHT reduction. The aim is to explore potential genetic factors affecting drug metabolism.

community Serum DHT CAN'T cause hair loss. Sebum DHT is a better measurement.

in Research/Science 19 upvotes 2 years ago

Serum DHT is mostly inactive; sebum DHT is a better measure for hair loss. Users discuss using finasteride, dutasteride, and topical treatments like KX826 and RU58841 for better scalp DHT suppression.

community Is there a reason why hair serums (The Ordinary, Vichy, etc.) are never part of a serious hair loss stack?

40 upvotes 4 months ago

Hair serums like The Ordinary and Vichy are seen as minor additions to hair loss treatments but are not considered effective on their own compared to well-studied options like Minoxidil and Finasteride. They may improve scalp health or hair strand quality but are not reliable for significant hair regrowth or combating male pattern baldness.

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Learn

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learn Bimatoprost

Can a lash-growth serum like bimatoprost actually work for your scalp? Bimatoprost (Latisse) is FDA-approved only for eyelashes, not the scalp. In the larger of two Allergan phase 2 scalp trials, every bimatoprost formulation gave smaller hair-count gains than minoxidil 5%; the results were posted to ClinicalTrials.gov but never published in a journal, and scalp use remains off-label and experimental.

learn Exosomes

Are exosomes applied as a serum, an injection, or combined with other hair treatments? Clinics offer exosomes as scalp injections, as serums applied after microneedling, or combined with PRP. No exosome product is FDA-approved, and no reliable evidence shows that any of these methods works.

learn Rapamycin

Are there any visible side effects when using rapamycin cream or serum on the scalp? No study has tested rapamycin on the scalp; in facial trials skin reactions were common (64% vs 29% placebo; Aitken et al. 2023, PMID 37463422).

learn Hair Transplant

Can I use hair products after a hair transplant? Avoid hair products for 2 weeks to 3 months after a hair transplant.

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