Immerse yourself in serenity with the grounding aroma of our Quintessence Home Fragrance Diffuser Refill. The signature fragrance of The Spa at Mandarin Oriental, this scent is the foundation for all five elements—metal, water, earth, wood and fire—and features notes of frankincense, mandarin and ginger. Conveniently available in a monthly subscription. Home Fragrance Diffuser sold separately.