The pH Levels of Hygienic Products:

~Astringent, 2.0
~Neutrogena Face wash, 4.0
~Proactive Face wash, 4.7
~Lotion, 5.0


~Shaving Cream, 7.0
~Crest Toothpaste, 7.0

~Pantene Shampoo, 7.22
~Crest Mouthwash, 8.0

Key:
Acid
Base

To tell which of these products are acids or bases, which ever have a pH level of 6 or lower are an acid. However, which ever are 8 and higher are a base. 7 is neutral on the scale. This is based on a scale of 0-14.