What does a higher pH level indicate in hair care products?

A higher pH level in hair care products indicates lower acidity. In the context of hair care, pH is a measure of how acidic or basic a product is. The pH scale ranges from 0 to 14, with 7 being neutral. A pH below 7 indicates acidity, while a pH above 7 indicates alkalinity.

Products with higher pH levels, such as some shampoos or hair treatments, generally have a more alkaline nature. These products can be beneficial for certain hair types, especially when the goal is to remove product build-up or provide a more robust cleaning effect. However, it's important to note that excessive use of alkaline products can potentially lead to hair damage or dryness.

In this context, the option stating lower acidity aligns correctly with the concept of higher pH levels. Products that are less acidic (higher pH) may alter the hair's cuticle structure, which enhances cleansing but can compromise moisture retention if used excessively. Thus, understanding the pH of hair care products is crucial for maintaining hair health and choosing the right products for specific hair needs.