Mandelic acid is a type of gentle alpha hydroxy acid (AHA). It may help reduce acne, fine lines, and wrinkles and improve the appearance of uneven skin. As a person ages, skin renewal slows down, ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

The pH of your stomach acid can vary due to health conditions, medications, and other factors. Having a pH that is too high or too low can cause complications. Stomach acid, or gastric acid, is a ...