Could Someone Have Mixed Something Caustic and Dumped it On My Hair While I Slept?

(female)
Dear Doctors,

2 years ago i went to bed with a clean dry head and awoke to a greasy, wet head. My daughter also awoke to a greasy head. She had had a friend sleep over that night, and now after 2 years and 3/4 of my hair gone on the top of my head, and my daughter’s hair thinning greatly, all i can think of is that her friend mixed something caustic with oil and dumped it on our heads while we were sleeping. We are both losing the hair only on the crowns of our heads and not in the back. Is there something she could have put on our heads to do this to us?

Also, if by doing this she killed the hair follicles does that mean there is no chance of getting hair transplants…i know you are very busy but i would greatly appreciate it if one of you could take the time to answer my question. i am pretty desperate….thank you so much, sincerely

Your story is highly unusual. This sounds like a crime scene which may require some probing, interviews with the potential offender, etc. Yes, a hair transplant can probably solve the problem, but I would be very curious to know exactly what occurred first.