DHT blockers are most effective for androgenetic alopecia (pattern baldness)
It Depends - Healthline Risks: Alcohol misuse - NHS Blood Alcohol Content (BAC): What It Is & Levels - Cleveland Clinic Alcohol poisoning - Symptoms and causes - Mayo Clinic Facts About U.S
The 10-Day Peru Tour includes transfers, hotels with breakfast, city tours in Lima and Cusco, a visit to the Ballestas Islands and Huacachina, a flight to Puno, a tour to Sillustani, a cruise on Lake Titicaca (Uros and Taquile islands), the Ruta del Sol to Cusco, the Sacred Valley, a train to Machu Picchu, a guided tour of the Machu Picchu citadel, and the Rainbow Mountain tour by ATV
Additionally, it plays a key role in nerve function and the production of DNA and red blood cells
My feeling is that if you use any smaller gauge of needle you risk damaging the surrounding tissue at the injection site