ethanol

Q: I am 24 years old and suffer from pcos which is a common hormonal condition in women of reproductive age. It affects people differently. In my case I have it quite severely, excessive facial and body hair, unexplained weight gain and balding of the scalp. Alhumdulilah, through medication and diet I have tackled the first two issues, however the baldness is hard to treat medically. I have seen specialists and they have put me through medication that helps a little but I am still losing my hair. It makes me really sad and anxious. I was told by my gynaecologist to buy this product called regaine which will inshallah make the hair grow back in the places where I have bald spots. I went to buy it today but saw that it had ethanol in it and I was weary whether or not I can pray with this on, so I didn't purchase it. Is it permissible to use this product that contains ethanol, it goes on the scalp.