June 5, 2009
Definition of pH
The pH of a substance is its relative degree of acidity or alkalinity and is measured on a scale of 0 to 14.
Filed under Esthetics, Information for the practice of Esthetician's, Medical, Medical Esthetics by 
The pH of a substance is its relative degree of acidity or alkalinity and is measured on a scale of 0 to 14.
Filed under Esthetics, Information for the practice of Esthetician's, Medical, Medical Esthetics by