No, 5.5 is not the neutral pH. When asked about an acid, most would say it’s a corrosive liquid that’d make a hole through any material. 282 more words
Tags » Acids
Asks an old paper by Ladislao Reti. From the journal Chymia, vol. 10, 1965, pages 11-23.
He runs through the usual well known sources of recipes for hydrochloric acid, such as Basil Valentine, De re Metallica etc, and ends up with a mid- 15th century Italian manuscript which is part of a work on dyeing, colours and the decorative arts. 359 more words
In my forays throughout the K-beauty bloggerverse, I’ve come across some really useful posts on skin acidity which has drastically changed my individual skin regimen. Two of the most detailed and powerful pieces on this subject can be found on… 809 more words