NORFOLK, Va. — Acid rain is a serious environmental problem caused by air pollution. It forms when sulfur dioxide and ...

The skin generally has a pH ranging from 4.5 to 5.5, rendering it slightly acidic. This acidity is crucial for maintaining the skin’s barrier function and overall health,” said Dr Gupta.

Your skin functions best at slightly acidic pH levels of 4.5 to 5.5, but that number can vary slightly based upon the area of the body you're talking about.

However, a pH value between 0 - seven is acidic, and that from 7 - 14 is alkaline. The human body has a pH value of 7.35 - 7.4, which means that our blood is slightly alkaline in nature.

Question: What is pH and why does it matter? Answer: For chemists, pH measures the concentration of hydrogen ions. For gardeners, that translates into a measurement of soil acidity or alkalinity ...

‌The vagina’s pH level is about 3.8 to 4.5, which means it’s on the acidic side. Its acidity slightly decreases as you get older, with its pH level rising closer to 5.

The common value for urine pH is 5.5–7.5 for most people, but any value within the 4.5–8.0 range is generally not a cause for concern. The pH scale runs from 1 to 14 , with 1 being the most ...

Any pH higher than 8 is basic or alkaline, and any under 6 is acidic. A urine pH test is carried out as a part of a urinalysis. After performing a urine pH test, doctors can use the results to ...

The Takeaway. A healthy skin pH (around 4.7) is crucial for maintaining your skin's barrier, moisture, and overall appearance. While acidic products can protect you from irritation and dryness, it ...

A pH range of 6 (slightly acidic) to 7.5 (slightly alkaline) is good for most plants. The wrong pH can prevent roots from uptaking nitrogen and other nutrients in the soil, so that’s why you are ...