We can identify damage as the hair splitting or breaking, loosing natural curl pattern, hair feeling dry or bubble hair. Hair that cannot hold a curl or straighten is often damaged.
A healthy hair strand will appear smooth, it will have no change in thickness throughout the strand and will have a natural shine.
healthy hair is anagen phases
damaged hair is anagen phases.บริเวณโคนผมยังเป็นhealthy hair แต่ปลายผมมีการแตกปลายเป็นสองเส้นหลักๆอย่างชัดเจน จะเห็นได้จากสีผมที่อ่อนกว่าเพราะว่าmelanin pigmant ถูกทำลายไปแล้ว
damaged hair is anagen phases. around the base, I have a healthy hair, but the hair is split into two core lines clearly. It can be seen from the lighter hair color because melanin pigmant be destroyed.