Serene Scent Refills

$10.00

Soft florals. Warm woods. A composed interior. Serene is a smooth, nostalgic profile designed to sit quietly in the cabin and unfold over time. A gentle floral opening is balanced by amber woods, creating a refined warmth that feels calm, polished, and effortless.

Scent Profile: Warm • Floral • Smooth

Notes: Violet, Lotus, Honey, Tuberose, Amber Wood

Intensity: Medium

Best For: Daily driving, passengers, and those who prefer a softer, more ambient interior scent

  • Lasts up to 60 days

30 Day Satisfaction Guarantee

If you are not completely satisfied with your purchase, simply contact us within 30 days for a full refund. Your satisfaction is our top priority

Designed For Black Metal Diffuser

Your Questions, Answered

How long does each scent last?

Each scent kit last 60 days, depending on fan speed, climate, and how often you drive. We use a liquid capsule diffusion system for a more consistent, longer-lasting cabin experience compared to typical fresheners that rely on fast-evaporating formats. Your starter kit includes three scent profiles. When you’ve used them, you can reorder refill packs and choose the scent you want next.

What is the push start stop switch?

You can turn off your diffuser to reduce unnecessary consumption and increase scent longevity.

Will Serene fragrance remove cannabis and cigarette smell?

Our fragrances help reduce lingering odors through consistent diffusion. For heavy smoke odor, best results come from pairing scent with a proper interior clean.

How do I install the freshener?

We will also send instructions with your order. In summary, you open the back metal magnet, remove the aluminum foil from the scents, and place both liquid scents into the diffuser. Once placed, you install it on your car air vents using the silicone vent clip.

I have allergies to perfumes will this give me a reaction?

We avoid harsh, solvent-heavy “gas-station” formulas and focus on refined fragrance oils. Smul is designed to be subtle and clean in the cabin. If you’re sensitive to fragrance, start on the lowest setting and use it gradually.

How fast will my order arrive? 

For Canada and the US we offer free shipping. It typically takes 1-2 business days to ship out your order. Depending on which state or province you live in, shipping may take from 3-7 days.


We do ship globally to Australia and the UK but expect longer shipping times of 15-30 days depending on which region you reside in. 


Do you ship to Europe and international?

Yes, we ship to the UK, Ireland, Germany, UAE & Australia but not the rest of Europe & World. Expect longer ship times of 15-30 days depending on the destination.


Our shipping costs do not cover any taxes, or any other additional fees, that follow local regulations. It is the recipient's responsibility to be aware of the policies in their country and to pay the additional fees associated with their purchase.

How do I track my order?

Once we ship out your unit, you will receive an email with your tracking code and the courier.