Professional 230 Degree Ceramic Straighteners Salon Heat Black and GoldPro 230 Professional Ceramic Straighteners These Professional Ceramic Straighteners hair styler use the latest technology including ionic technology for protecting hair when drying and tourmaline, a semi precious mineral which only generates negative ions when heated. This maximises the negative ion output and closes the cuticle layer creating smooth hair and better styles. This Straighteners features Ceramic plates coated in tourmaline which means it