$91 for a Brazilian Keratin Complex Treatment at Simply Natural Beauty Salon in Lindenhurst

Like the ocean, hair can be smooth one day, wavy the next, and sometimes needs to be cleansed of its oily surface. Get your unfathomable tresses under control with this voucher. $91 for Brazilian Keratin Complex Treatment ($250 Value) Stylists eliminate frizz and curls with Keratin Complex in a treatment, which takes approximately 60–90 minutes. 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.