6-8 depending on the manufacture. Source Mountain Rose herbs
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Glycerin pH in skincare products helps maintain the skin's natural acidity level, which is important for skin health. The pH level of glycerin can affect how well it hydrates and protects the skin. A balanced pH level in glycerin can enhance the effectiveness of the skincare product by ensuring it is gentle and compatible with the skin.
Glycerin is neither a base nor an acid. It is a neutral substance with a pH close to 7.
A vegetable with a pH of 5.3 would be considered mildly acidic on the pH scale. The pH scale ranges from 0 (most acidic) to 14 (most basic/alkaline), with 7 being neutral. pH values below 7 indicate acidity, so a vegetable with a pH of 5.3 falls into this category.
A substance with a pH level of 3 would be considered acidic. Examples of substances with a pH of 3 include vinegar and orange juice.
The pH level of an orange typically ranges from 3 to 4. This acidic pH level gives oranges their tangy taste.