The human body maintains a slightly alkaline pH of between 7.35 and 7.45, which keeps the body functioning optimally. Some body systems have a different pH, including the stomach acids, vaginal flora, ...

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 ...

Every substance’s chemistry falls somewhere on the pH scale between acidic and basic (alkaline). Different parts of your body have their own pH balances, including your vagina. Your vaginal pH level ...

Scientists in Germany have developed an intradermal tattoo that changes color in response to fluctuations in glucose, albumin, and pH levels. Tests on animal skin have shown that the tattoos ...