L'Oreal Professionnel Blond Studio 9 Oil Developer 20 VOL 1L Formaldehyde Free high-definition foundation application with a

high-definition foundation application with a flawless

in terms of performance

it creates a complete professional maintenance system designed to keep hair sleek

Works with compatible L'Oreal Professionnel oxidant systems according to technical guidance

L'Oreal Professionnel Blond Studio 9 Oil Developer 20 VOL 1L Formaldehyde Free high-definition foundation application with aL'Oreal Professionnel Blond Studio 9 Oil Developer 20 VOL 1L The L'Oreal Professionnel Blond Studio 9 Oil Developer 20 VOL 1L is a professional oil developer designed for use with compatible L'Oreal Professionnel Blond Studio lightening services. Created for salon blonde work, it helps activate the lightening formula while supporting a smooth, controlled application texture. This 20 volume developer is suited to trained colourists who need to select