UPLC-MS/MS Method for the Simultaneous Quantification of Caffeine and Illicit Psychoactive Drugs in Hair Using a Single-Step High-Speed Grinding Extraction – Insights into a Cut-Off Value for Caffeine Abuse

Finasteride and Nizoral shampoo with Ketoconazole are used for hair loss treatment. Liquid Chromatography–Mass Spectrometry (LC-MS) is recommended over Enzyme-Linked Immunosorbent Assay (ELISA) for more accurate DHT testing.

A user discusses the potential of caffeine and DMG in shampoo for treating hair loss, citing a pending patent and personal plans to test it. They find it more convenient than using minoxidil, tretinoin, and microneedling.

The user has been using Alpecin and Nizoral, which improved hair texture and reduced shedding and itching. They are hesitant to use finasteride or minoxidil and are seeking other suggestions to slow hair loss and improve hair appearance.

A user is creating a home topical solution for hair loss using zinc, essential oils, and caffeine, aiming for a 0.001% caffeine concentration. They also use topical finasteride and are considering other treatments like low-level laser therapy, while discussing the effectiveness of various hair loss treatments with others.

The conversation is about finding a reliable Chinese source for pyrilutamide or RU58841, ideally with a third-party Certificate of Analysis from Janoshik Analytical. The user is seeking recommendations for these hair loss treatments.

Caffeine intake may increase DHT levels, but its impact on hair loss is minimal compared to genetic factors. Excessive caffeine can cause health issues, and its effects on hair loss are not directly applicable to humans based on rat studies.