Philip Kingsley Hair Elasticizer.
https://m.youtube.com/watch?v=TVCX4ctxvyg I thought I should probably really quickly add that you shouldn’t use Elasticizer for AT LEAST three days of any sort of chemical processing to your hair. I’ve seen some places say a week, but I would definitely leave at least three days, or a week if you want to be extra safe. I don’t know a massive deal about it, but I think it would probably only…