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L'Oreal Professionnel Dia DIActivateur Developer 9-Volume 32 oz
Developer for DIA Light and DIA Richesse. 9 Vol. DIActivateur is perfect for color correction when returning 1 - 2.5 levels darker.
DIA is great for color treated hair and sensitized hair; for more luminous color; for corrective color/pre-coloration; for permed, smoothed, or straightened hair; and for refreshing and toning highlights.
1. Measure 2.6oz of DIActivateur.
2. Add 1 tube of DIA Light or DIA Richesse haircolor.
3. Mix together until a smooth, creamy texture is obtained.