"OMG it's literally hot to touch!" James squeals when he is sitting waiting for the bleach to settle into his head.
Thankfully, his hair turned out to be quite a big success, with fans loving his new transformation.
"Your blonde, ahhh. Can't believe it you look so perfect . Soz shouldn't tweet this but I had to. Sad though your intro and profile pic will have to change," the fan said.
WATCH: James Charles shows off peroxide blonde hair
James accidentally revealed his new look on his Instagram story before he was able to upload the full video onto his YouTube channel.
"Omfg I’m so fucking stupid lmao I tried to post that on my close friends and wasn’t paying attention " he tweeted.
He did promise that despite the surprise being ruined, fans would still be "shook" at the video. "Omg I’m excited for tomorrow’s new video y’all are about to be shook lol," he wrote.
"I just looked in the mirror and screamed," he continued.
Well, that's one major beauty bucket list accomplishment he can tick off his list!