
How do chemicals in synthetic hair affect scalp health and hair growth?
Chemicals in synthetic hair can irritate the scalp, disrupt its microbiome, and potentially hinder hair growth through direct contact and systemic absorption.

Can hair dye chemicals affect scalp comfort?
Hair dye chemicals can affect scalp comfort by disrupting its barrier, causing irritation, and potentially triggering allergic reactions or long-term sensitivities.

Which hair care ingredients are most likely to irritate the scalp?
Common scalp irritants in hair care products include harsh sulfates, synthetic fragrances, certain preservatives, and hair dye chemicals.