Can I bleach a polyester cotton blend white?

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#1 frostiepie on 1 year ago

Hi! This is my first post here.

I'm thinking of buying this lilac dress (which is a polyester cotton blend, but the percentages are not known) and bleaching it white for a cosplay.

Do you think this would work? I've heard that dealing with polyester is hard, and I don't know the polyester to cotton ratio.

[IMG]https://ae01.alicdn.com/kf/HTB1s2hqjuuSBuNjSsziq6zq8pXag.jpg[/IMG]

#2 Penlowe on 1 year ago

NO
Bleaching is not like dyeing, it is very damaging to the fabric in to much concentration. I have seen over bleached fabric literally disintegrate when the person tried to put on the pants. Occasionally one gets a good ratio but there's no going back from too much.

Buy or make it in white if white is what you need.

#3 Asmaria on 1 year ago

Polyester is synthetic and synthetic means basically plastic. Just like with wigs, you can't lighten that. The cotton portions may lighten but then you could end up with a half-lightened garment and with the amount of bleach needed, like Penlowe said, it will end up destroying those fibers anyway. I tried this on a leotard when I was younger and it literally melted when I took it out of the bucket. Sorry. :(

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