Special Course on Chemical Hair Processes - Permanent or chemical hair Processes should be carried out by a trained professional, who has sufficient experience with these relaxing processes. The nature of relaxing formula to be used depends on the hair that has to be treated… Use of flattening or straightening irons is also made to create the tension on the hair and allow it to take The kit contains enough product for two complete treatments of short to medium length hair. With the correct after care, the effects last for up to 12 weeks. You do need to wash your hair with salt free shampoo to maintain the results, and you can find salt free shampoo here.
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