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Research

5 / 1000+ results

research The potential for occupational exposure of veterinarians to ketamine resulting in positive drug tests

3 citations , February 2018 in “Australian Veterinary Journal”

This article explores the possibility that veterinarians may test positive for ketamine due to occupational exposure, but it reports no specific new findings.

research Workplace Drug Testing Using Hair Samples

1 citations , August 2006 in “International forensic science and investigation series”

Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.

research Hair follicle testing-an alternative to urinalysis for drug abuse screening

December 1991 in “Employment relations today”

This article discusses hair follicle testing as an alternative method for drug abuse screening but reports no new research findings.

research Hair Drug Testing Routine in Many Clinical and Forensic Applications

September 2001 in “Emergency Medicine News”

This review discusses the use of different biological samples, including hair, for drug testing and highlights the complexities and considerations involved in interpreting results; it reports no new findings.

research The forensic limits of hair drug testing: a critical assessment of drug intake and hair concentration relationships

April 2026 in “Science & Justice”

This review reports that hair analysis can confirm drug exposure but not accurately estimate doses due to variability and confounding factors like melanin and cosmetic treatments, suggesting it should be used as a qualitative forensic tool rather than for precise dose quantification.

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Community Join

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community RU58841 powder from lab supplier tested at free drug testing service.

in Research/Science 8 upvotes 2 years ago

Two Chinese suppliers provided legitimate RU58841, confirmed through a free drug testing service. The vendors were Shaanxi Greenyo Biotech and Lyphar, found on Made-in-China.

community Testing Results for RU58841 from Multiple Vendors

in Treatments 233 upvotes 2 years ago

RU58841 powder from a lab supplier was tested at a free drug testing service. The discussion includes using Minoxidil and finasteride for hair loss treatment.

community What happened to that drug that kills dht receptors in your scalp

19 upvotes 1 year ago

A new therapy aimed at destroying DHT receptors in the scalp is still in early trials and may take at least 5 years to become available. A sugar-like solution similar to Minoxidil is also in early testing stages and not yet commercialized.

community Why is Kopexil (trade name Aminexil) not approved as a drug in the US and Europe?

3 upvotes 10 months ago

Kopexil (Aminexil) is not approved as a drug in the US and Europe because it is marketed as a cosmetic, which requires less testing and regulation. L'Oreal's 1.5% Aminexil is noted to reduce hair shedding, but its efficacy as a drug is not proven.

community My 200IQ genius master plan for dirt cheap dutasteride - can anyone see flaws to this plan?

11 upvotes 1 month ago

The conversation discusses a plan to test cheap generic Dutasteride capsules from India for authenticity using a UK drug testing service, WEDINOS, to identify reliable options for cost-effective hair loss treatment. Concerns are raised about the consistency and reliability of these generics, even if initial tests show they contain Dutasteride.

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Learn

9 / 23 results

learn Bicalutamide

Could bicalutamide help trans women regrow hair lost to testosterone? No study has tested bicalutamide for hair regrowth in trans women. In cisgender women the only randomized trial found it added nothing to minoxidil, and it is an off-label prescription drug that requires liver monitoring.

learn Verteporfin

Eye drug (Visudyne) that reduced scarring and let follicles re-form in mouse skin wounds; not tested or approved for hair loss in humans.

Is Verteporfin effective for both androgenic alopecia and alopecia areata? Verteporfin has never been tested in people with pattern hair loss or alopecia areata. It is an eye drug with only mouse wound data behind the hair interest.

learn TDM-105795

What is TDM-105795, and why is it being studied as a potential product for hair loss and hair growth support? TDM-105795 is an experimental topical drug that has been tested only in men with androgenetic alopecia, in two Phase 1 studies and one 16-week Phase 2 trial of 71 men. It is not approved, and no peer-reviewed trial results have been published.

learn Azelaic Acid

What happens if I mix azelaic acid with minoxidil or regular hair loss shampoos? No published study has tested azelaic acid combined with minoxidil or with hair-loss shampoos, and layering them can irritate the scalp. Mixing anything into a minoxidil solution changes the drug in untested ways, so ask a pharmacist before combining products.

learn tamsulosin

Can tamsulosin affect hair growth when taken orally or applied topically? No trial has tested tamsulosin, oral or topical, for hair growth. The drug is approved only for urinary symptoms of an enlarged prostate, and there is no evidence it treats hair loss.

learn Spironolactone

A prescription blood-pressure and diuretic drug with anti-androgen effects, used off-label mainly by women for pattern hair loss.

learn HMI-115

Investigational antibody that blocks the prolactin receptor; tested in pattern hair loss, not approved, and no hair-loss results published.

learn GHK-Cu

A copper peptide used in cosmetics. Lab studies only; no human trial has tested it for hair loss or grey hair.

learn Hydrocortisone

Hydrocortisone is a mild topical corticosteroid used for short-term relief of scalp inflammation such as dermatitis. No verified trial tests it as a hair-loss treatment, and long or occluded use can thin the skin.

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Experts

1 / 16 results

Hair Loss Specialist
Dr. Fernando Testi, MD
Benissa, Comunitat Valenciana, Spain

Clinics

3 / 13 results

Dr. Fernando Testi, MD