Consider your hair type.
If you've got fine hair you should go for ceramic plates are best as the are more gentle.
Nicky Clarke is always a good choice and it features infrared ray technology helps maintain moisture
https://www.renewbodycare.co.uk/nicky-clarke-infrared-pro-straightener
If you've got frizzy hair: The Vidal Sassoon infra radiance straightener tourmaline ceramic versions is a good choice to reduced frizz
https://www.renewbodycare.co.uk/vidal-sassoon-infra-radiance-straightener
If you've got afro hair: Ceramic-coated plates are the best choice for you. Steam hair straighteners will also do a good job of styling your hair quickly but without too much damage. The afro hair straightener by Wahl is endorsed by top afro stylist 5ive .
https://www.renewbodycare.co.uk/afro-hair-straightener
If you've got thick hair or very long hair : Wide plates is the choice and BaByliss sleek control wide plate straightener is ideal for longer hair or difficult to style hair types.
https://www.renewbodycare.co.uk/babyliss-sleek-control-wide-plate-straightener
Ceramic hair straighteners are great for smoothing and reducing frizz.
Ceramic holds heat well and can achieve high temperatures and distribute heat without damaging your hair. Ceramic or tourmaline plates work as effectively as ceramic flat irons.
Go for a brand - cheap irons use a very low quality plate and heating element.
They will damage your hair, go professional and you will see a difference