More people are strongly irritated by the PG in minoxidil than by the SLS in some shampoos. Yeah, SLS can cause nerve damage, and PG does not seem to. But check this out:

Watch out for Sodium Lauryl Sulphate. The Laureth is less than half as bad. Also the Sarcosinate is OK too, and Glucosides are a modern foamer that are really nice if you can get them.
Just saying that just because you see SLS, like Sodium Laureth Sulphate, does not mean it is all bad. I'm sure most of the bad hipe you hear is about the Lauryl Sulphate, not the Laureth.

Watch out for Sodium Lauryl Sulphate. The Laureth is less than half as bad. Also the Sarcosinate is OK too, and Glucosides are a modern foamer that are really nice if you can get them.
Just saying that just because you see SLS, like Sodium Laureth Sulphate, does not mean it is all bad. I'm sure most of the bad hipe you hear is about the Lauryl Sulphate, not the Laureth.
