Cheap retrobrighting.

[pasph]

That product is peroxide + Ammonium Persulfate

[mintberryminuscrunch]

1. where a sticker used to be (great as reference )
2. a mixture of oxi and developer that turned bad (liquid)
-this was the fastest one. after a cloudy day it had already whitened to that point
3. this is developer only
?. i forgot (a lot going on atm )

PS. i turned up contrast, and reduced brightness on that pic