This month marks the twenty-sixth anniversary of Breast Cancer Awareness Month, a national call to promote research and raise awareness of the disease. Accordingly, a slew of beauty brands are launching limited edition products with proceeds benefiting breast cancer charities. From Clinique’s sassy “Great Lips, Great Cause” key ring (left) to O.P.I.’s “Pink of Hearts 2010” Nail Lacquer, here are our favorite products supporting breast cancer initiatives.