St. Regis Boutique St. Regis Room Diffuser Refill

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Transform your space into a haven of sophistication with the exclusive St. Regis Room Diffuser Refill capsule. An ode to the unparalleled sophistication of Mrs. Caroline Astor and her renowned galas, our bespoke Caroline’s Four Hundred fragrance infuses your home with rich notes of American Beauty roses, exotic woods, delicate quince, and fresh florals.

A St. Regis Exclusive

Caroline’s Four Hundred, the St. Regis signature scent

Notes of American Beauty roses, white lilies, green stems, quince, apple and cherry blossoms

Includes one Room Diffuser Refill capsule (Room Diffuser machine sold separately)

Patented micro-droplet technology

Capsule lasts over 300 hours

Freshens up to 500 square feet

Hypoallergenic

Safe for your family and pets

Made in USA