Of course it's a hindrance. You're 17. You can still do well with women, but you're disadvantaged.
The reality is - a man cannot afford to be bald, fat and short in the dating game*. Those are the three key elements really. One can be two of those three and still survive, but being all three is a death sentence.
If you're already bald, I hope you aren't short. If you are, you need to make sure your face is chiselled, and your body is low fat. You'll still do okay. There's a niche for bald, ripped, chiselled guys.
However: If you're black then being bald is less of a hindrance. Black men can rock a bald head much better.
*A short man can become bald and fat after bagging a long-term partner without consequences, but this is obviously different to pursuing women in the first place - especially at early 20s.