Has anyone gone for treatment of those unsightly bluish veins usually on the back of ur legs?

I've read up about Endovenous Laser Treatment (EVLT) which I think is super ex but what about Sclerotherapy which is using injections to get rid of the veins?

The websites of clinics I visited did not list the cost.

The ones on my left leg are usually quite faint but now they are getting more noticeable.