We often wonder what is the best flat iron hair when we “impossible” smooth (when I say not, c & rsquo; especially when it is refrise 30 minutes after placing the plates…). Personally, I don & rsquo; have not used a lot of different hair straighteners, j & rsquo;'ve had for years a straightening iron “sans marque” bought at low prices, and to my amazement, it was the & rsquo; one of the best !