NEW YORK–(BUSINESS WIRE)–Real Techniques is calling time on overdue makeup sponge replacements with its “Swap Your Sponge” campaign, following new research revealing that 64% of women have used their makeup sponge knowing it was dirty. The campaign aims to educate beauty lovers on proper sponge care and maintenance while reinforcing one important reminder: even your favorite makeup sponge has an ‘expiration’ date; replace it every 30 days for a flawless finish. With one sold every four second