It&ly Oh My Blonde! pH Modulator
It&ly Oh My Blonde! pH Modulator is designed to change the alkalinity of Oh My Blonde! Toner to prevent lift. This is perfect when you want to tone highlighted hair, as it prevents the natural hair from being lifted while making the tones on highlighted hair appear more natural.
Simply mix a few drops with It&ly Oh My Blonde! Activator.
Comes in a 100-ml bottle.