Oil is your enemy. Shampoo daily to get rid of the grease that can weigh down hair at the roots; dermatologist Ciraldo loves Neutrogena T/Sal shampoo for oil control. And go easy on conditioner; hairstylist Eva Scrivo recommends using one with a gel consistency (like KMS California Add Volume Gel Conditioner) to keep hair smooth without flattening it. To defy gravity all day, look for products billed as "root lifters" (like L'Oréal Paris Studio Line Pumping Volume Spritz). Spray at the roots when hair is still damp. For extra volume, flip your head upside down while you blow-dry.
How to Get Your Hair Off Your Neck:
Add polish to the easiest solution—a ponytail—by creating a clean side part first. Have a little more time? Twist the tail into a chignon and anchor it with ridged bobby pins. Or twirl the tail until it coils back on itself and tuck the ends into the elastic. The finished effect: informal elegance.