Cutting your own hair is a big mistake as you have found out. Introducing hair extensions will not resolve the problem so I feel they would be a waste of your money invested into rectifying the problem you have. ...More >
Visit a good professional salon near your home town and have a consultation, explain your problem and they should be able to resolve the situation you have at the moment.
Thinning scissors are a great tool to work with in the right hands and used in the correct way. As you have found out used wrongly they can cause many problems.