Red and blonde shades together can be intimidating, but with SOPHISTONE Permanent, anything is possible. @itsonlyhairbychris created a blurred red with caramel accents by using a teasylight. ⁠ ⁠ SOPHISTONE provides vibrant and even coverage using its Double Adhesion TechnologyTM. ⁠ ⁠ Formula: ⁠ Elite Powder Lightener and 10 Vol. ⁠ SOPHISTONE Permanent 6C (6/4) and 10 Vol.