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GlossaryGas Chromatography-Mass Spectrometry (GC-MS)

combines gas chromatography and mass spectrometry to identify substances

Gas Chromatography-Mass Spectrometry (GC-MS) is an analytical technique that combines the features of gas chromatography and mass spectrometry to identify different substances within a test sample. It is widely used in various fields, including forensic science, environmental analysis, and drug testing, to detect and quantify compounds with high precision and sensitivity.

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research GC-MS Determination of Steroids Related to Androgen Biosynthesis in Human Hair with Pentafluorophenyldimethylsilyl–Trimethylsilyl Derivatisation

56 citations , January 1999 in “The Analyst”

The method accurately measures certain steroids in human hair, showing different levels in males and females.

research Development of a New GC-MS/MS Method for the Determination of Metformin in Human Hair

14 citations , May 2020 in “Drug Testing and Analysis”

A new method was created to measure metformin in hair, showing potential for monitoring treatment and medical investigations.

In Vivo and In Vitro Evaluation of Hair Growth Potential of Cacumen Platycladi, and GC-MS Analysis of the Active Constituents of Volatile Oil

research In Vivo and In Vitro Evaluation of Hair Growth Potential of Cacumen Platycladi, and GC-MS Analysis of the Active Constituents of Volatile Oil

13 citations , March 2019 in “Journal of ethnopharmacology”

Cacumen Platycladi oil promotes hair growth better than minoxidil.

research GC-MS Analysis and Phytochemical Screening of Indigofera Tinctoria Leaf Extract Characterizing Its Medicinal Use

11 citations , July 2020 in “International Journal of Ayurvedic Medicine”

Indigofera tinctoria leaf extract has many compounds that support its traditional medicinal uses.

research Comparative GC-MS Based In Vitro Assays of 5α-Reductase Activity Using Rat Liver S9 Fraction

8 citations , March 2012 in “Mass spectrometry letters”

The S9 fraction with GC-IDMS is effective for measuring 5α-reductase activity.

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community Dutasteride isn’t working confirmed by test.

in Finasteride/Dutasteride 40 upvotes 7 months ago

Dutasteride isn't effectively reducing DHT levels, prompting a switch back to finasteride. The user questions the reliability of their DHT test results due to hair loss concerns.

community Been doing daily 3% topical peppermint oil for 6+ months (never used minoxidil). Have had growth that seems as good as minoxidil. Might strenghten the idea that peppermint is a good low-cost treatment, that potentially works by another route than minoxidil.

in Treatment 15 upvotes 3 years ago

The user has been using finasteride, nizoral, microneedling, and recently added 3% peppermint oil to their hair loss treatment, experiencing regrowth similar to minoxidil. They suggest peppermint oil as a potentially effective, low-cost alternative or addition to minoxidil, with the added benefit of a pleasant smell and ease of use.

community Finasteride and Eye Problems: You’re Not Going Crazy

in Finasteride/Dutasteride 503 upvotes 6 months ago

Finasteride can cause dry eyes and vision issues due to its impact on the meibomian glands. Users have mixed experiences, with some experiencing eye discomfort and others having no side effects.

community 18->24 six years of Fin and Minox…. I guess we can’t all be winners 😭

in Progress Pictures 572 upvotes 3 years ago

A user named "EgyptStar81" who has been dealing with hair loss since age 15 due to genetics, chemotherapy and finasteride/minoxidil treatment. Possible solutions such as dutasteride, oral minoxidil, hair transplants and extensions were suggested.

community DHT levels after 4 weeks of Fina and 8 weeks of Fina + 4 weeks of Duta

in Update 37 upvotes 6 years ago

The user reported early stage diffuse hair thinning and increased DHT levels after 4 weeks on Finasteride and 8 weeks on Finasteride plus 4 weeks on Dutasteride, despite the medications being authentic and stored properly. They are considering increasing their Dutasteride dosage due to the lack of side effects and are unsure if the treatment is helping their hair.

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