This column features weekly tips and advice from a revolving cast of industry leaders, on hand to discuss your beauty dilemmas, from blemishes to Botox. To submit a question, e-mail celia_ellenberg@condenast.com.

 
“USDA approved” food-based ingredients seem to be the new big thing in skincare. Are there benefits to using food on my face, or is just [...]

Known for quality skincare that is above all a testament to pure luxury, La Prairie has already pioneered a caviar-extract range and a Radiance collection that uses liquid quartz crystals, drawing a customer base that is unafraid to open its minds (and its wallets) for better skin. The Swiss company’s latest innovation is Cellular Cream [...]

CAVIAR/(kav-ee-ahr)/n./ 1. Eggs of a large fish, especially sturgeon, typically served as hors d’oeuvres at highbrow get-togethers; /n./ 2. Rich in mineral and vitamin content (B1, 2, and 6 as well as A, E, and D), caviar lifts and adds glow to aging skin; e.g., “A taste for caviar could be the result of maturing [...]