L'Oreal Too Dimensional? (136) is a cool purple with a glitter finish that is limited edition and retails for $6.99. In comparison, L'Oreal The Reign of Studs is a cool purple with a glitter finish that is limited edition and retails for $6.99.
L'Oreal The Reign of Studs is 90% similar — it is darker, brighter, warmer.