For the permanent version of this color (the Royal line) I mix this 1:1 with the developer and then add an ounce of the -77 copper concentrate with 1 more ounce of developer. Also in the mix is an ounce of #1 Amazing hair bond (sold here on Amazon, look at my purchase history) AND an ounce of neutral protein filler. 20 Volume. 20 volume is likely the most used developer in the salon. Twenty volume will give 1-2 levels of lift when used with permanent hair color. On finer fabrics it may even give up to 3 levels of lift. It is the standard developer for grey coverage, however, a stronger developer may be needed for more resistant hair types. REVERED BY HAIRDRESSERS WORLDWIDE FOR ITS THICK, CREAMY CONSISTENCY, IMPROVED MIXABILITY AND STATE-OF-THE-ART PERFORMANCE, Schwarzkapf DEVELOPER ALLOWS PRECISE, EVEN DEVELOPMENT OF COLOR. Schwarzkapf IGORA ROYAL Oil hair color developer is the color partner for Igora Royal, Blonde Me, Color10 hair color dyes that ensures optimal color development. Schwarzkopf Igora Royal 4-0 Medium Brown Permanent Hair Color 2.1 fl. oz. (60 g) by Schwarzkopf Professional Visit the Schwarzkopf Store 4.5 4.5 out of 5 stars 36 ratings I mixed the 5-0 on a 1 to 1 ratio with the 4% 13 vol Igora developer lotion. This color was easy to apply, not messy. I applied the mixture to my entire dirty, yet to wash hair 🤣 and waited 20 minutes before shampooing, deep conditioning and styling. The color came out great! It blended the grays nicely (I have about 30% on the top where my COLOR FORMULAS. Formula A. IGORA ROYAL HIGHLIFTS 10-14 + 12% IGORA ROYAL Oil Developer (40-volume) Formula B. IGORA ROYAL HIGHLIFTS 10-21 + 9% IGORA ROYAL Oil Developer (30-volume) Formula C. IGORA ROYAL HIGHLIFTS 10-21 + 12% IGORA ROYAL Oil Developer (40-volume) Cookie. Duration. Igora Royal Highlifts 10-21. IGORA ROYAL Highlifts has been designed to provide the coolest blonde results. It features a range of powerful lifting shades with an innovative TrueLift Complex and integrated Fibre Bond Technology. The new IGORA ROYAL Highlifts technology works to optimize and improve the clarity of the end color result. Color : 12% / 40 Vol , Schwarzkopf Igora Royal Developer Hair - Pack of 1 w/ Sleek Teasing Comb. Options +4 options. Available in additional 4 options. $22.79. App Vay Tiền Nhanh.

can i use any developer with igora royal