Nourishing gloss.


With Dia light, neutralize undertones after lightening. It also restores the 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.

The professional 2-step 

service for peekaboo looks.


French balayage peekaboo highlights create subtle dimension and movement by strategically placing highlights underneath the top layer of hair for a natural, "peek-a-boo" effect. 

This technique emphasizes soft contrast and blended color for an effortlessly chic look. 


This tailored approach ensures a flattering and harmonious result with Blond Studio & Dia light.

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

Discover all Dia light shades.

Discover 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.  

Complete your French Balayage service.

L’Oreal Access.


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

• Webinar 

• Conquest webinar 

• Guided tour MyHair[iD] 

• Technical sheet