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Under-eye bags and puffiness are not the same thing. Dr Sebagh explains the difference, what causes each, and which skincare and clinic treatments genuinely work.

Four years in Korean clinics, and now in London. What monopolar radiofrequency is, how XTherma delivers it, and the questions to ask before you book.

Four cities, four weeks, endless late nights. Fashion editor Chloe Street on the skin prep, the travel routine and the recovery treatments that get her through fashion month.

Customers rarely ask for an ingredient. They ask for a result. This guide translates the concerns we hear most often into the active that answers them, and the product that delivers it.

What telomeres are, why they shorten, and how they shape the way skin ages. The cellular science behind skin longevity, and the serum Dr Sebagh spent five years developing.