Royal Reserve: Inspired by Crown Casino
Royal Reserve makes a room feel polished and inviting. Bright citrus and bergamot meet delicate tea and warm amber, creating a refined scent that lingers beautifully
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Luxury Hotel Fragrances
Cold-Air Diffusion
Hand Poured in Australia
Safe Around Kids & Pets
IFRA Compliant Fragrance Oils
Why choose Ascent
Luxury Hotel Fragrance
Recreated from the scents of the world’s finest hotels.
Waterless Cold-Air Diffusion
No heat, no water, no dilution, just pure fragrance.
Hand-Poured in Australia
IFRA-compliant, vegan, and safe around kids and pets.
21-Day Money-Back Guarantee
On all diffusers, backed by a 1-year warranty.

Bright citrus over warm amber
Royal Reserve opens with fresh citrus and bergamot, softened by delicate tea notes. Warm amber settles underneath, giving the fragrance a polished depth that feels fresh at first and rich and inviting as it fills the room.
For entryways, living spaces and boutiques
Choose it for entryways, living spaces or offices when you want a room to feel polished and welcoming. The tea note keeps it fresh rather than heavy.


Start low and let it build
Royal Reserve is a polished and inviting blend. Run it on a low setting first and give it twenty minutes. Scent keeps developing after the diffuser stops, so the room will carry more than you think. Step it up only once you have lived with it for a day. Deeper blends like this one read stronger in a small room, so keep the intensity down until it settles.
Questions & Answers
Have more questions? Don't hesitate to email us:
How do I use this oil?
Pour it straight into any Ascent Collection diffuser — no water, no heat, no dilution. Cold-air diffusion disperses the oil as a fine, dry mist that fills the room the way a hotel lobby does: effortlessly, and always present.
Which diffusers is it compatible with?
Every Ascent Collection diffuser, from the portable Scent Aura and Scent Mini through to our large-format commercial units. Our oils are pre-formulated to the correct concentration and viscosity for the whole range.
How long will a bottle last?
That depends on your diffuser's intensity setting and how many hours a day it runs. As a guide, a 50ml bottle typically lasts around one month with daily use — larger bottles last proportionally longer.
Is it safe around kids and pets?
Safe for use around children and pets when used as directed. Our oils are IFRA-compliant and phthalate-free, and cold-air diffusion releases a fine dry mist that won’t leave residue on furniture or artwork. Use the diffuser in a ventilated room, keep an eye on your pets, and check with your vet if you’re unsure, especially with cats or birds.
What if I'm not sure the scent is right for me?
Try before you commit — our sample packs let you experience the collection at home before choosing a full-size bottle. Once you've found your favourite, it's ready to pour straight into your diffuser.
Complete the ritual
Pairs well with
50ml fragrance oils, sized to run in your diffuser for weeks. Add one to any diffuser order and save 25% on the oil — applied automatically at checkout.
More pairings coming soon.

