Does hair smoothing harm the hair?

Yes,beyond doubt. Before I continue further,I'd just like to state that I'm not an expert on this topic. However I speak from personal experience. Basically,smoothening or straightening is using super strong chemicals to straighten your hair. read more

They definitely do cause damage to the hair, treatments that last till the hair grows out are by far the worst, the chemical used to change the compound of your hair would be much stronger. The Brazilian hair straightening home kits have got top marks from many users, 1 kits gives 2 treatments for medium length hair. read more