Skin Care Secrets From Women Who Work Out (Almost) Every Day

The expert: Alex Silver-Fagan, instructor at CityRow
Her workout beauty secret: Alex relies on her ponytail for cardio exercise (double secured with two no-clasp hair ties). But if she's planning to attend a yoga class, she's all about the topknot to keep her long hair from ruining the flow.
Her gym bag essential: Pacifica Island Vanilla Perfume Roll-On ($12)