Your skin tends to have a naturally acidic pH depending on the areas of your body. Factors like the environment and your skin care routine can affect your skin’s pH level. Learn how to keep a balanced ...

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 ...

If you’ve spent any time browsing skin-care products in the past few years, whether online or in the store, you’ve likely seen a lot of claims about how a wide variety of these products can help your ...