Does taking testosterone cause hair loss?

I was curious if you believe in testosterone itself causing hair loss and this being raised by finasteride and dutasteride can worse things for some people?  I got diagnosed with a folate deficiency, but addressing it the past two months doesn’t seem to have helped, so I’m wondering if this could be the case.

Exogenous testosterone can cause hair loss in men with the genes for hair loss and as testosterone goes up, so does the amount of DHT found in your body