BASES + WORKING WITH TEMPERATURES

BASES + WORKING WITH TEMPERATURES
2-3 SP – no bases needed
4-5 SP – protein + lipid + botox bases
Porous hair – acidic base

HAIR DAMAGE LEVELS
Level II damage
Natural hair with slight dryness, split ends, dullness, but also does not stretch during the elasticity test.
Level II damage
Improper home care, prolonged exposure to sun/frost. Hair looks healthy, reflects light well, does not stretch during the elasticity test.
Level IV damage
Usually bleached, lightened, or highlighted hair. Reflects light poorly, stretches during the elasticity test but returns to its original state after stretching. 
Level V damage
Hair that stretches and breaks during the elasticity test.