CROC turns 21 — Up to 31% off · no code needed
Home›Heat & Hair
Heat & Hair
Hair tool guides from CROC — straight talk on hair, heat, and the tools that do the work.
Featured · Education
Best Flat Iron for Thick Hair: Plate Width, Heat, and What Actually Matters
Thick hair needs a wider plate, a heater that holds its temperature, and fewer passes. A hair tool specialist explains what to look for — and which CROC irons fit.
Read article

Education
Why Professional Hair Dryers Use Infrared (and What a Brushless Motor Has to Do With It)
Faster drying isn't about more heat. It's about where the heat goes.
Read article
Hair Care
Keratin-Safe Flat Irons: What \"Safe\" Actually Means
The temperature, the plate, and the one habit that undoes a treatment.
Read article
How To
A Curling Iron for Every Hair Goal: Barrel Size, Heat, and the One Tool That Does Both
Barrel size decides the curl. Here's the map.
Read article
Education
Flat Irons for Short or Fine Hair: Go Narrower, Go Cooler
Fine hair is the case for a 1" plate and a lower number on the dial.
Read article
Education
The Best Flat Iron for Curly Hair: Getting Straight Without the Frizz
Curl pattern changes what "straight" costs. Here's the plate and heat that get there without frizz.
Read articleMore guides are coming.
Join the CROC list for new Heat & Hair guides and early access.