If they're human hair, yes. You can treat them as you would your own hair. Keep in mind that just like your hair, you can damage your hair extensions, too.
It depends on what type of hair dye and the quality of the products you will be using. A temporary dye will not damage your hair, but bleaching it and dyeing it could damage your hair if the hair is not taken care of. It is recommended that you get these services professionally done so your hair can be refreshed and treated accordingly. Nowadays they have color shampoo in retail stores for you to treat your own hair. It is more damaging to your hair when you change the pigment of your hair.
It has to do with how you pre-treat your hair. Try using a serum specifically for preventing heat damage.
I have been a hairdresser for 13 years and I have seen that cellophane doesn't cause damage in fact it gives shine to hair. It is also used as a way treat damaged hair. Most cellophane products contain protein. The hairdresser is definitely correct. Cellophane coats the outside of the hair, causing no damage and is a great conditioning agent. It is not like dye in the sense that dye actually goes to the inside of the hair shaft.
does texturizer damage your hair?
If you do dye your hair a lot in a short period of time you can cause damage or maybe even a little hair loss. but don't worry just be careful and smart about what you do. Treat it good and make sure it is healthy.
Can putting sharpie on your hair damage it
yes ... dying hair with bleaching kit damage your hair.
No it is not going to damage your hair
There are five main hair damage: medical damage photo chemical damage chemical damage thermal damage systemic damage
You will have to color your hair.
Its quite impossible to fix damaged hair from a perm. Hoenstly, youre best bet is to get a conditioner for damaged hair. the healthiest part of your hair is your root so unless you get your hair cut off than your damaged hair wont go away. but you can treat it with professional products. (: