Choose from Two Options
- $136 for a keratin treatment ($300 value)
- $69 for a haircut and full color ($130 value)
Some hair-straightening products that claim to be formaldehyde-free include aldehyde compounds, which are similar to the carcinogen formaldehyde. Side effects may include nosebleeds, headaches, vomiting, and respiratory problems, among others. Learn more about the health risks here.