this post was submitted on 17 Jul 2026
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[–] ExcessShiv@lemmy.dbzer0.com 14 points 21 hours ago (1 children)

You can get 10% hydrogen peroxide and 32% acetic acid over the counter, so that's probably what they used

[–] atomicbocks@sh.itjust.works 5 points 19 hours ago

Here is some 40 volume hair bleach, which is 12% peroxide. I am fairly certain you can get higher too. Incidentally this is good for retro-brighting.