― MAC is releasing another limited edition collection for Spring 2013 just before this year ends and it promises to be both colourful and strong! ∙ MAC Strength debuts in North America on December 26, 2012 and Internationally in January 2013. It will also be available on December 24, 2012 online at www.mac.cosmetics.com for North American residents. For more details you can call 1-800-588-0070 or visit the website. ∙ Collection Details: ∙ "Colour is the vehicle for women to [...].