I have a scar on my cheek due to accidental splashing of chloral hydrate few days back. how do i remove the scar?

See your doctor: This is a problem that requires a face-to-face meeting with your doctor. In that meeting, your doctor will listen to you, perform a throrough examination and possibly order labs or other tests. Based on this information, he/she will be able to tell you what's wrong and what to do about it.

See dermatologist. : See dermatologist, they will advice how to approach the scar with ointments. If a result is no satisfactory you will need to talk to plastic surgeon.