The results are the same but the process and chemicals different. Unlike many other Brazilian Blow Dry treatments or Long-Lasting Blow Drys KeraStraight does not contain formaldehyde, a chemical that has been a cause for concern for some time. This is what KeraStraight say about their revolutionary straightening treatment:
‘The KeraStraight straightening treatment uses a low-PH protein amino acid which produces a similar result, but using different science. We don’t think the aldehyde-based method will be in existence in a few years, because the world’s turning against it.’