What is a safe temperature to flat iron natural hair?
The optimal temperature for flat ironing your natural hair is the range up to 150°C (302°F). The fact is that you’ll need to sacrifice your hair’s moisture to make it straight. If your hair doesn’t go straight after a while, please don’t continue to turn up the heat.
How much heat is too much for natural hair?
Heat is not inherently bad for the hair. In general, healthy strands can withstand temperatures up to 450 degrees F (232 degrees C) when they’re applied occasionally. Unfortunately, heat that exceeds this temperature, as well as persistent heat application, can lead to damage.
What temperature does hair get damaged?

Exposure to high heat changes the shape of your hair’s keratin strands. Temperatures over 300°F convert the ⍺-keratin to β-keratin, which eventually leads to weaker hair that has lost its elasticity and become more prone to damage.
Can you get heat damage from flat ironing your hair once?
No. The heat styling is so infrequent that there is virtually no way straightening your hair one time a hear will damage it—excluding too high heat at once.
IS 210 C too hot for hair?
Thick hair: up to 210°C If your hair is thick, you can climb a few steps higher on the temperature scale. You can use 210°C when styling your hair. However, we recommend that you start out at a temperature below 210°C and only work your way up the temperature scale if you don’t achieve visible results.
Can 150 degrees damage hair?

Fine/damaged hair: 120°C-150°C Either it’s naturally fine or damaged by too many permanent hair treatments such as bleaching or perms.
How do I know if my hair is damaged from heat?
Some signs that your hair has been heat-damaged include:
- split ends or ends that easily break off.
- white nodules at the end of your hair shaft.
- overly dry hair.
- rough or stringy hair texture.
- difficulty styling your hair or brushing it out.
- hair that tangles and knots easily.
- hair breakage.