Hair-product pH claims matter because they affect your hair’s health and appearance, but not all claims are scientifically accurate. Understanding pH can help you choose the right products for your hair type.
What is pH and why does it matter for hair?
pH measures how acidic or alkaline a substance is on a scale from 0 to 14. Healthy hair has a slightly acidic pH of around 4.5 to 5.5, which helps maintain the hair cuticle’s integrity. Products with a pH too far from this range can cause damage, dryness, or frizz.
Common pH claims in hair products
Many hair products claim to be "pH-balanced" or "acidic," but these terms can be misleading. Here’s what to look for:
- Shampoos: Aim for a pH between 4.5 and 6.5 to avoid stripping natural oils.
- Conditioners: Slightly acidic (pH 3.5 to 5.5) helps smooth the cuticle.
- Styling products: pH varies, but avoid highly alkaline products that can weaken hair.
How to evaluate pH claims
Not all products list their pH, so here’s how to assess them:
- Check the label: Look for "pH-balanced" or specific pH numbers.
- Research the brand: Reputable brands often provide pH information online.
- Use pH test strips: Available at pharmacies, these can measure a product’s pH at home.
Practical takeaway
Test your hair products with pH strips to ensure they fall within the ideal range for your hair type. This simple step can help you avoid damage and maintain healthy, shiny hair.