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.
I deal with rosacea year round, but in the summer months it is out of control. What gives?
Sun is the number one trigger of rosacea. [...]

TAMANU OIL/ (tuh-mahn-oo oil)/ n./ 1. A thick, brown oil extracted from the nuts of the Tamanu tree, native to Southeast Asia;/ n./ 2. Tamanu oil promotes the formation of new tissue and also boasts anti-inflammatory properties that can treat everything from sunburn to skin blemishes and rosacea, e.g., “If your skin tends to veer [...]

It’s unclear when the cult of P50 started, although we’d have to assume it was around the time that Biologique Recherche first released the wonder product, which has become the cornerstone of its 40-year-old line. With active ingredients including usnic acid, lactic acid, witch hazel, onion extract, myrrh extract, and sage extract, the toner-cum-astringent -cum-”balancing [...]

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. The following query was culled from a private stock, but we’ll be accepting readers’ questions soon.
How often should I visit a dermatologist? Should I be going regularly, like with the [...]