Hair Science
Science-based answers to the most common questions about detergent-free hair care, scalp health, ingredient transparency, and New Wash.
Hair Care Claims
Hair Care Claims
- My hairdresser always told me to wash less often. Why - and does that still apply with New Wash?
- What does "clinically proven" or "dermatologist tested" actually mean on a hair care label?
- What do "natural", "clean beauty", and "chemical-free" actually mean on hair care labels?
- How do I evaluate hair care marketing claims? What questions should I ask about any product?