Thanks for sharing, but the website doesn’t seem to work - https://substysubs.net/

PS: A clickable link would have been helpful.

I do the same thing as @redhorsejacket@lemmy.world - except I wait for shampoo to work. I read that shampoo takes 4-6 minutes to work. I then confirmed this with 2 dermatologists. This is especially important if someone is using anti-dandruff shampoo.