
How does air quality affect curl definition?
Air quality influences curl definition through humidity's direct effect and pollutants' subtle degradation of hair proteins and cuticle integrity.

Can environmental factors alter the inherent internal structure of hair?
Environmental factors can alter hair's internal structure by damaging keratin proteins and disrupting molecular bonds, impacting strength, elasticity, and appearance.

Heat Damage
Meaning ❉ Heat damage describes the structural changes to textured hair from excessive thermal exposure, compromising its health, curl pattern, and resilience.