But you are not a scientist or a physician, and you simply are WRONG if you think it is ???safe;??? claims of ???no formaldehyde??? are false for ALL brands of keratin smoothers; they can say that, because formaldehyde is a gas, a vapor, and the product itself is a LIQUID, containing ???aldehydes.??? When the aldehyde is heated (iron, blow dry) it vaporizes and BECOMES formaldehyde, though many ??