After looking at the video more closely, it looks like hair loss treatments will not help much. You are roughly norwood 3, and you may want to consider a hair transplant if you want to have a full head of hair again.
That said, you are 40 so I would focus on other things. The common protocol around here for men 30+ is RTT. RTT stands for Roid, Tat, Tan.
Roid: Steroids. By the time you are 40, your natural testosterone levels will be low. You can talk to your doctor about TRT, testosterone replacement therapy, which is a treatment where you inject testosterone to supplement your low natural levels. The advantages of this is that it will make you feel way better, have more energy, feel younger and have more vitality. It will also help you lose fat and build muscle, giving you a more masculine and attractive appearance.
Tat: Tattoos. Out of all of them, this one is the least important, but it does look badass and masculine to have a few tattoos.
Tan: You should spend time in the sun, make sure to put sunscreen on your face though. You can also look into melanotan, a peptide which you inject to increase melanin, making you appear tan without actually needing to tan. A lot of bodybuilders use it in preparation for shows, but in smaller amounts it gives you a natural looking tan. You can also use fake tan if you want.
Just think about it, most men who are attractive in their 40s 50s and 60s are muscular, tan, and tattooed.
Examples:
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