Final answer:
The natural pH level for skin, hair, and nails varies. Skin is slightly acidic, with a pH of around 5.5. Hair also has a slightly acidic pH level, ranging from 4.5 to 5.5. Nails, on the other hand, are more neutral, with a pH of around 6.0 to 7.5.
Step-by-step explanation:
Skin, Hair, and Nails pH Levels:
The natural pH level of the skin, hair, and nails varies. The pH of the skin is typically around 5.5, slightly acidic. Hair generally has a pH level between 4.5 and 5.5, also slightly acidic. Nails have a pH of about 6.0 to 7.5, which is more neutral.