popular antihistamine showing promise for hair loss as an anti-inflammatory and prostaglandin inhibitor  
        compound that activates Wnt/β-catenin to promote hair regrowth and create new hair follicles  
        nucleoside used for hair regrowth stimulant properties  
        mTOR regulator and immunosuppressant used more recently for anti-aging and hair regrowth  
        a synthetic cortisol used for anti-inflammatory effects