08 Jun Glossary Terms ACID October 4, 2022 By Sean McWard ACID [as-id] What it is: Substances with a pH value less than 7. The opposite of alkaline. VIDEOS RELATED TO THIS TERM Nail Form ApplicationPerfecting the SidegrooveCaring For Your L&P Brush LEARN MORE TERMS View All Glossary Terms CARBIDE E-FILE BITS UV DESK LAMP CALLUS SOFTENER