REDKENFormulas – Redken Color Fusion by Mags Kavanaugh Natural levels 1 thru 3 – no grey all formulas use 20vol. 1oz. 2N + 1oz. 2Gr = dark red brunette 2oz. 4Ag = soft brunette Natural levels 2 thru... This content is for All-Access Monthly Membership members only.Login Join NowShare this:Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)