Cosmetics - Acidity or pH
6 important questions on Cosmetics - Acidity or pH
What is the acid value or pH of your skin?
What is a base?
When a solution is more alkaline it will be more...?
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When do we call a solution neutral?
So when is a substance acid, neutral or alkaline?
neutral solutions: pH is 7
alkaline solutions: pH >7
How can the pH of a solution be measured?
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