As we know, different quality hair extensions have different lifespans.
the braid virgin remy hair can last about 24 months in usual, you can dye and bleach them for 2-3 times in use.
The common Remy hair can last about 6 months, you can dye it once, and you’d better not perm it, because the cuticles are destroyed in processing, it’s easily broken and cannot last for a long time.
Of couse, all the hair you should treat it with profor care. it will be damaged more or less after colored and permed each time.