Quick answer
To use the BYREDO Summer Rain car diffuser refill, slide it into your Byredo Car Diffuser leather case, let the airflow activate the cold diffusion system, and adjust the airflow to control intensity. Replace it when the scent fades, typically after a few weeks of regular driving.
Why the refill works best with the Byredo Car Diffuser
The Summer Rain refill is designed exclusively for the Byredo Car Diffuser. It slides into the leather case and uses a cold diffusion system that releases fragrance only when airflow begins. This means you get a scent boost exactly when you need it, without overwhelming the cabin when the car is parked.
Getting the most from your refill
To extend the life of your refill, keep the airflow openings clear and avoid blocking them with objects on the dashboard. The scent intensity depends on your car's ventilation settings; higher airflow releases more fragrance, while lower settings make it subtler. If you prefer a lighter presence, turn down the fan speed rather than removing the refill.
Step-by-step: Install and use your Summer Rain refill
- Check compatibility: Make sure you have the Byredo Car Diffuser. The Summer Rain refill is designed exclusively for this leather case and won't work with other diffusers. Using the refill with another diffuser may not produce the intended scent.
- Open the leather case: Gently unzip or open the leather case of your Byredo Car Diffuser, depending on its design. Be careful not to pull too hard on the zipper to avoid damaging the leather.
- Remove the old refill: If a used refill is inside, slide it out and dispose of it properly. Do not attempt to reuse an empty refill; it won't release scent effectively.
- Insert the new refill: Slide the Summer Rain refill into the leather case until it sits securely. It should fit snugly without forcing. If it doesn't slide easily, check that you're inserting it in the correct orientation.
- Close and position the diffuser: Close the leather case and place the diffuser in your car, such as on the dashboard or clipped to an air vent, where airflow can reach it. Avoid placing it where direct sunlight or heat could affect the fragrance.
- Adjust airflow for desired intensity: Start with your car's fan on a low setting and increase if you want a stronger scent. The cold diffusion system releases fragrance when airflow begins. Turning the fan off will pause the scent release, so you can control intensity by adjusting ventilation.
- Monitor and replace: When the scent becomes faint, replace the refill with a new one. The duration varies based on usage and airflow settings. Keep a spare refill handy so you never run out mid-journey.
Product facts
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Summer Rain Car diffuser refill: Designed exclusively for the Byredo Car Diffuser, each refill extends the journey through scent. You need the Byredo Car Diffuser to use this refill; it won't fit other diffusers.
Summer Rain Car diffuser refill



