Blond Studio Nutri-Developer 40-Volume is fully stabilized and buffered to ensure consistent and uniform lightening results. It's creamy, rich formula encourages gentle controlled lightening action with up to 2-3 levels of lift and is most often recommended for on-scalp services and in foils. Sunkissed Lightening Oil can also be mixed with Blond Studio Nutri-Developer for a thicker formula, if desired. Freehand Techniques Powder can be mixed with Blond Studio Nutri-Developer, however the mixture will be much thicket and may be more difficult to apply. Pour plus d'information sur Blond Studio cliquez ici