It really is bfunctions very best on chemically dealt with hair mainly because the cuticles are open as all substances will raise the PH levels inside the hair and that is definitely what opens the cuticles and this enables the keratin to penetrate into the hair shaft.There exists lot of talk in regards to the formaldehyde content in keratin therapy and numerous hesitate to acquire this procedure because of this reason. Formaldehyde is a colorless and pungent gas which might irritate the eyes and lungs if your fumes are inhaled. But off late many reputed brands have arrive out with formaldehyde free of charge hair treatment options which are totally secure to use.If you have curly hair, the Brazilian Hair Straightening is the fantastic answer for you. It's Keratin in it, which makes the Brazilian Hair Straightening one among the ideal ways to straighten your hair.That is a extremely productive hair straightening remedy. It would make the purely natural negative ions assist type micro articles from your water molecules.