Uploaded June 2022 | Updated September 2026, 17 hours ago

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my hair channel: @brittneealexushair

#01 Hair Prep & Resets: youtube.com/watch?v=ibFAQWUb0_I&t=56s

Milady (13th Edition- the black book) Page 672

LEVEL= unit of measurement used to determine lightness or darkness of the hair (these are the numbers)

LEVEL SYSTEM= system that colorist use to to determine the lightness or darkness
(American system = levels 1-10)

1= BLACK (darkest)
10= BRIGHTEST BLONDE (lightest)

NL= Natural Level- your roots, what color you're born with
EL= Existing Level- what has been colored
TL= Target Level- what color you want to be