L'Oréal Professionnel

DIActivateur Developer 9-Volume 32 oz.

Item # P0591802
Available for orders between $35 - $1000 with Afterpay Learn more

What It Is

DIActivateur 9-vol. (2.7%) Developer is formulated to be used with:

• DIA Light Demi-Permanent Haircolor on color-treated or sensitized hair.

• DIA Richesse Demi-Permanent Haircolor on natural or color treated hair.

What It Does

9-vol. DIActivateur Developer pairs with DIA Light and DIA Richesse to create beautiful results for unlimited services.

What Else You Need to Know

DIA Light & DIA Richesse mix in a 1:1.5 ratio with 9-vol. (2.7%) DIActivateur Developer. DIActivateur Developer is formulated to be paired with DIA for best results.


DIA Light

• Use 6-vol. or 9-vol. (use 9-vol. when going darker)


DIA Richesse

• Use 9-vol. or 15-vol. (includes DIA Richesse Hi-Visibility)

• Mix ratio 1:1.5 (1 tube : 2.6 oz. developer)

• Apply with a bowl and brush or plastic bottle

• Development time from 2-20 minutes

DIActivateur Developer 9-Volume 32 oz. is rated 5.0 out of 5 by 8.
Rated 5 out of 5 by from Great Developer! I use this developer the most when I mix my Dia Richesse colors. It gives you amazing deposit and a little gray blending. I also use it for highlighting to give a gentle lift.
Date published: 2018-03-22
Rated 5 out of 5 by from L’Oréal has the best products! Anything by L’Oréal professional is perfect for my clients. Versatile and dependable.
Date published: 2017-11-28
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