The buffer window acts as a safety net, allowing you to extend the coloring process by an extra 5 minutes without concerns about overprocessing.
Matrix SoColor 10 Min Pre-Bonded Perm Color+20V Cream-expired(0.7oz)
Matrix Socolor Cream Developer 10, 20, 30, 40 Volume (10 volume)
Matrix SoColor Beauty Hair Colour, 5BC Light Brown Brown Copper 90 ml by Matrix SoColor Beauty
Matrix SoColor Beauty Hair Colour, 506NA Dark Blonde Neutral Ash 90 ml by Matrix SoColor Beauty
Matrix Socolor 506Na Permanent Cream Hair Color 90ml by Matrix Socolor
Matrix SoColor Sync Pre-Bonded 10 mm Extra Light Blonde Mocha Mocha 90 ml
