antifungal with some anti-androgenic benefits, often used as a shampoo  
        chemical from L'Oreal that encourages hair to enter growth phase  
        Heavy duty finasteride that comes with higher risks, but scalp injections seem safe and are gaining popularity  
        An essential vasodilator with some anti-androgenic effects, has excellent safety record  
        the gold standard retinoid in dermatology that's also helpful for hair regrowth alongside Minoxidil