Just turned 20, been thinning for a little over 2 years. Side effects from Fin so that out of the question. I can still style it forward but it’s getting harder and harder.
Since fin’s not an option for you, consider using minoxidil (min) to help stimulate hair growth. Try oral min for more potency. Also, give dermarolling a go to boost effectiveness. Consider topical dut. If you have any scalp issues like seborrheic dermatitis, a ketoconazole shampoo could help. Results can take a while, so stick with it.
I got really bad side from Fin, is Dut still worth it?