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Straightener and curler buying guide: how to choose

A straightener or curler stands out through its ability to suit all hair types thanks to its temperature settings. Power ensures rapid heating, while cord length provides essential freedom of movement for daily use.

What to check

Temperature settings The number of available heat levels determines the device’s ability to adapt to your hair type. Fine or fragile hair requires lower temperatures, while thick or curly hair needs more heat. Current market devices offer between one and seven setting levels, with a median of three levels. The longer the rating bar, the more precise adjustment options the device offers. This versatility allows the same tool to be used on different hair textures without risk of damage. Devices with more settings provide better control for varying styling needs throughout the week. Market median: 3
Electrical power Power in watts directly affects how quickly the device heats up. A powerful model reaches the desired temperature within seconds, reducing morning preparation time. Market devices display power ratings between four hundred and one thousand five hundred watts, with a median of one thousand two hundred watts. The rating bar extends with power. A less powerful device suits occasional use, while high power meets the needs of daily or professional use, where speed matters. Faster heating also means less waiting time between styling different sections. Market median: 1,200 W
Cord length The power cord length determines your freedom of movement during styling. A short cord forces you to stay close to the outlet, while a long cord allows comfortable work in front of a distant mirror. Current models offer cords ranging from one point eight to two point eight metres, with a median of two metres. The longer the bar, the longer the cord. This characteristic particularly influences comfort of use in bathrooms where outlets are sometimes poorly positioned. A swivel cord also prevents twisting during use. Market median: 2 m
Plate coating The material covering the heating plates plays an essential role in preserving hair fibre. Ceramic diffuses even heat that limits aggressive hot spots. Tourmaline generates negative ions that reduce frizz and add shine. Titanium withstands intensive use better and glides easily through thick hair. Some devices combine several coatings to accumulate benefits. Check that plates are wide enough to treat thick sections in a single pass, which reduces heat exposure time. Smooth plates also prevent hair snagging and breakage during styling.

Benchmarks based on 30 recent market listings, collected on 4 October 2026.

What you get for each budget

Under €30

Entry-level models generally offer one or two temperature levels, power around four hundred to eight hundred watts and a cord of approximately one point eight metres, sufficient for occasional use.

€30 to €80

This bracket groups devices with three to five temperature settings, power reaching one thousand two hundred watts and a two-metre cord, ensuring good balance between versatility and daily comfort.

Over €80

Premium models offer up to seven temperature levels, one thousand five hundred watts power for instant heating and a cord two and a half metres long or more, perfect for intensive or professional use.

Frequent mistakes

Choosing a device too powerful without sufficient temperature settings exposes fine hair to excessive heat.
Neglecting cord length leads to uncomfortable postures during styling.
Buying a low-end model for daily use lengthens preparation time and may damage hair long-term.
Forgetting to check the plate coating type deprives you of protection offered by ceramic or tourmaline.