LA RECHERCHE AVANCEE L'OREAL AND KERASTASE
TAKE DAMAGED HAIR ANALYSIS ONE STEP FURTHER
AND INVENT THE CONCEPT OF EROSION SCALE.
Surface protection deterioration
Loss of shine, rough touch.
Cuticular abrasion
Damaged hair, loss of softness ans suppleness
Peri-cortical damage
Damaged and rough hair, Breakage, occurrence of split ends
Deep cortical damage
Extremely damaged and dull hair, Breakage of the fibre (snaps) and split ends