OP, you have heard this a lot but I beg you to stop.
You have fantastic hair and, like many others, I truly believe that you are overestimating your hair loss. At your age on dutasteride, you are seriously putting yourself at risk of having long-term side effects that you will regret. Everyone on this forum cares about their hair, but most agree that having hair is not worth losing your sexual function.
I am 20 years old, started finasteride at age 19 and took it for 3 months. I made the decision yesterday to stop due to decreased sex drive, very few erections, loss of penis sensitivity, and only about 80% hardness. It got to a point where I started to have trouble ejaculating (see my post about side effects). You mentioned in one of your earlier posts that you were experiencing some of these side effects, this is a sign to STOP. Stop now and let your body go back to normal while you still can. Try alternative treatments if you'd like, but don't destroy your body. If you keep going you could cause irreversible damage.
From one young person to another, I understand your plight, but please take care of yourself. Feel free to reach me over PM if you'd like to talk privately.
Henry