Heat can be very damaging to your hair. That is why heat protectant is very important. I have reviewed some products and have some great information see the related link below:
The heat is obviously generated by the the electricity which is provided by the socket. The the heat from the electricity conducts through the hair straightener resulting in the hair straightener to straighten your hair
You shouldn't use ANY heat on a doll's hair. The hair is attached with plastic and using heat will melt it causing the hair to come out.
The heat sort of "sets" your hair in the shape your curlers make it
How heat affects the hair when conditioning
Burn it (Burn your hair)
Hair deals mainly with heat. The brain is particularly sensitive to heat. Hair on the skin can trap air to keep heat in, or keep perspiration near the skin to take heat as it evaporates. The groin and armpits are heat sinks.
incorrect use of heat on the hair and scalp
Heat affects the curliness of hair because of the mooisture in the air frizzing your hair making it very very curly because of the dryness and the heat.
Too much heat can damage your hair. At some point your hair needs heat especially if you are getting any kind of up-do's or scalp treatments. It's the excessive heat that is damaging to your hair shaft. Such as flat ironing every day on high heat would be considered bad for your hair.
protects the hair from heat
A healthy haircut is the only thing that can get rid of heat damaged hair.
Hairs are made up of proteins. Proteins get denatured when exposed to heat. If heat is used incorrectly, it can severely damage hair. Similarly, scalp has skin which contains proteins too which can get damaged because of heat. Of course! If you use heat tools on your hair to often it will dry your hair out and you will have split ends and cause breakage of the hair. if you burn your scalp badly enough it will damage your hair follicles and stop hair growth. Hairs are made up of proteins. Proteins get denatured when exposed to heat. If heat is used incorrectly, it can severely damage hair. Similarly, scalp has skin which contains proteins too which can get damaged because of heat