I have a turkey neck since weight loss, what can be done & does botox work?

Congratulations on your weight loss! The answer to your question would depend on how much loose neck skin you have. Since you did not post a picture, the best thing to do would be have an in-person consultation and evaluation. If there is mild to moderate loose skin then options such as Ultherapy and ThermiTight may work. If there is too much loose skin then a surgical face/neck lift may be the only option. Please see an experienced provider. Best wishes.

if you have developed laxity after weight loss, your best option would be a neck lift. It's best to see a qualified surgeon for a personal consultation.