Twenty-something girls vs. thirty-something women - S2-E17
Visible crew/equipment: A white screen and crew member holding a boom mic are reflected in Samantha's glasses when she is talking to Carrie on the beach.

Starring: Sarah Jessica Parker, Kim Cattrall, Kristin Davis, Cynthia Nixon
Twenty-something girls vs. thirty-something women - S2-E17
Visible crew/equipment: A white screen and crew member holding a boom mic are reflected in Samantha's glasses when she is talking to Carrie on the beach.
Visible crew/equipment: When Charlotte approaches Wyle in front of the fire extinguisher, the boom mic is visible at the top of the screen. (00:10:40)
Trivia: When Samantha runs into Phoebe on the street, Phoebe is really Geri Halliwell, one of the Spice Girls (Ginger Spice). At the same time that they were filming this scene in front of the SoHo House, Victoria Beckham (Posh Spice) and David Beckham were actually inside the SoHo House as well. (00:04:50)
Answer: A popular brand of sexual lubricant. See http://www.k-y.com/index.jsp.
J I Cohen