But arguably the most famous link between these two Paris institutions?
As for what the Hydrafacial actually is?
(No small feat after having spent the past two weeks mostly on the road.)

Photo: Matthieu Salvaing for Parfums Christian Dior

Photo: Courtesy of Hotel Plaza Athenée

Photo: Boby Allin / Courtesy of Hotel Plaza Athenée

Photo: Eric Laignel / Courtesy of Hotel Plaza Athenée

Photo: Matthieu Salvaing for Parfums Christian Dior

Photo: Matthieu Salvaing for Parfums Christian Dior