The professional 2-step service for luminous Milky Balayage. 


Discover the service with the New Blond Studio Purple Lightening Balm Bonder Inside & Dia light.

Together, they create a luminous service that not only lightens the hair but also adds shine.


It is a great option for those looking to achieve a beautiful milky look while keeping their hair in optimal condition.




The new Blond Studio Purple Lightening Balm

Bonder Inside.


+17% faster take-off*, up to 8 levels.

Potentialized system thanks to oil-based engine. 


Strengthens hair from within**.

29% nutritive oil + Bonder Inside.

Instant neutralization.

Purple Dye Complex.




* In the first 15 min of development time VS L’Oréal Professionnel Blond Studio Powder.


** Instrumental test vs without bonding agent. 




Nourishing gloss.




With Dia light, to neutralize undertones after lightening. It also restores beauty of bleached hair and makes it 2x shinier*.


Dia light is the perfect second step after Blond Studio Purple Lightening Balm. Thanks to its ammonia-free acidic gloss color technology, this formula is perfect for toning lightened hair or refreshing faded colored lengths.



Hair is balanced and 30% more nourished for natural looking result*. 



*Instrumental test.

Discover the 84 Dia light shades.

Complete your French Balayage service.


L’Oreal Access.






L'Oréal Professionnel Paris education available 24/7 on all devices: desktop, app.


• Webinar


• Conquet webinar


• Guided tour MyHair[iD]


• Technical sheet