Oil and vinegar separating in a jar is not a kitchen failure, just chemistry. Water based liquids like vinegar are polar. Their molecules attract each other and stay tightly grouped together. Oil Party Dress Evening Gowns For 50 Year Old Woman Ladies Dresses For Over 50 Elegant, Timeless Prom Dress Knee Length A Line Knee Length High Neck Sleeveless Satin Appliques Beading Button Dress 5 Dress Shoes for Standing All Day [No Tired Feet] Boardroom Socks Knee Length Kohl's Mother Of Groom Dresses Knee Length Mother Of The Bride Dresses Mother Of The Groom Dresses