International Nomenclature of Cosmetic Ingredients (INCI):
This product does need to be listed on the product ingredient label.
Common Name Ingredient Listing (FDA Approved):
This product does need to be listed on the product ingredient label.
Directions:
Immerse plastic strip in test solution. Remove strip and immediately match to color chart for accurate pH measurement.
CP Soap: Lather a small sample of cp soap from your batch in water. Rub the pH strip on the wet sudsy soap. Match strip to color chart for pH measurement.