L'Oréal ambassador John Nollet, who has worked with stars such as Diane Kruger and Vanessa Paradis, is under the mindset that both stances have merit. "We don't have to say sulfates are good or sulfates are bad; it all depends on your texture, your nature, and your hair habit," he explains. So to find out when he recommends using sulfate shampoos (and when he does not), just keep reading.
Ah, the great sulfate debate.
Ah, the great sulfate debate. Found in cleansers such as shampoos and body washes, sulfates are chemical compounds that create the foam and lather. While one camp says they're not ideal because they can be drying and/or irritating, the other says they're necessary in order to make the hair truly clean.