Talk to Dermatologist on Facial Hair

Once by mistake of threading my chin and neck got hair which was not there before I am very worried now and my marriage too after Eid. I want to do laser but I'm afraid that I won't get more hair Will lasers make hair thinner? Will seven months make a difference to me? Should I get laser treatment? And if yes, which laser treatment is the least expensive and has the best results? Will there be any harm to me because many of my friends say that more hair comes out