this straightening by revlon is one of the best it aligns the hair fiber , leaving the hair hydrated and aligned with a progressive aspect , now it had a but ! I bought one unit of the product here on the website and the other in hairdressing stores , I applied the product for thin hair , in two clients with the same type of hair , the straightening I bought at the store straightened , and the straightening I bought on the website did not totally smoothed. I repeat this product and it is wonderful ,
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