L'Oreal Professionnel Blond Studio 9 Oil Developer 20 VOL 1L Formaldehyde Free and professional-quality care with every

and professional-quality care with every wash

or spend significant time outdoors and need to replenish lost moisture

in terms of performance

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 and professional-quality care with everyL'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