[SKIN TRUTH] Protecting the skin with low acidity
We often think of acidity as a harmful or negative entity. However, there has recently been much scientific research that confirmed the benefits of acidity to skincare and as these became public knowledge, many skincare products have started promoting their acidity to consumers.
What specific level of acidity, then, is beneficial for the skin? When something is acid, it usually has a pH level of 5 or 6. The normal pH level of the skin ranges from pH4.5-5.5. People with dermatitis have slightly higher acidity levels in their skin (close to pH6), which weakens the function of the skin barrier and reduces the skin’s ability to regenerate. A medical treatment known as acidification therapy is thus necessary in these cases.
For those with healthy skin, products that match the skin’s normal pH level of pH5 are sufficient. However, for those with dermatitis, because the skin’s pH level is already abnormally high, it’s important to use products with lower acidity levels (pH4) to bring down the skin’s acidity.
What specific level of acidity, then, is beneficial for the skin? When something is acid, it usually has a pH level of 5 or 6. The normal pH level of the skin ranges from pH4.5-5.5. People with dermatitis have slightly higher acidity levels in their skin (close to pH6), which weakens the function of the skin barrier and reduces the skin’s ability to regenerate. A medical treatment known as acidification therapy is thus necessary in these cases.
For those with healthy skin, products that match the skin’s normal pH level of pH5 are sufficient. However, for those with dermatitis, because the skin’s pH level is already abnormally high, it’s important to use products with lower acidity levels (pH4) to bring down the skin’s acidity.
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