St. Regis Boutique St. Regis Mini Room Diffuser Refill

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Transform your living space into a luxurious retreat with our exclusive Caroline’s Four Hundred Mini Room Diffuser Refill capsule. Rich notes of American Beauty roses and exotic woods weave a tale of bespoke elegance, celebrating the alluring sensory history of St. Regis and inviting moments of exquisite relaxation.

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 Mini Room Diffuser Refill capsule (Mini Room Diffuser machine sold separately)

Patented micro-droplet technology

Capsule lasts over 300 hours

Freshens 200-400 square feet, or a small-medium sized room

Hypoallergenic

Safe for your family and pets

Made in USA