With a 30 second heat up time and featuring an automatic sleep mode that shuts down after 30 minutes of non-use, you can style quickly and confidently with our best hair straightener for thick hair. The ghd max is engineered to maintain healthy tension and efficient heat transfer from the plates into the hair, to give 80% more shine and up to 2x less frizz for a long-lasting, salon-quality finish. With smooth, contoured plates that glide effortlessly through the hair and a sleek design with curved edges, create glass like straight styles or loose natural looking waves with the ghd max.