
Receive a coin
Guests receive a special coin at check-in, building anticipation for the experience.
Choose from eight fragrances and colors, use a special coin to receive a capsule, and take it to your room for a relaxing bath. This hands-on experience adds a memorable moment to your stay.
Natural ingredients
Soothing scents
A special bathTake to your room
Turn a hotel amenity into a small, hands-on event.

Guests receive a special coin at check-in, building anticipation for the experience.

KAORIUM helps guests choose a scent that suits how they feel right now.

Choose from eight fragrances and colors to create a personal combination.

Take the capsule to your room for a relaxing bath or keep it as a souvenir of your trip.
The service flow can be adapted to each hotel’s operations.
Give guests a reason to choose your hotel through memorable experiences, beyond price alone.

A distinctive, hands-on service goes beyond standard amenities to express the hotel’s character and strengthen its brand.

The enjoyment of choosing a scent and relaxing in the guest room enhances the quality of the stay.

An experience that is easy to photograph and film encourages guests to share it, helping more people discover the hotel.

Seasonal fragrances and surprise rewards give guests a reason to try again on their next visit and can encourage repeat stays.
From check-in to after the stay, fragrance adds a special touch to the guest journey.

A special coin at check-in builds anticipation for the experience.

KAORIUM uses AI to discover and suggest a scent that suits how the guest feels right now.

Using the AI suggestions as a guide, choose from eight fragrances and colors and turn the machine to receive bath salts.

Enjoy a special moment of relaxation with the bath salts and a fragrance of your choice.

Share memories on social media, with rewards offering a reason to book another stay.
The bath salt experience can also include rewards unique to your hotel.

Restaurant rewardsExamples include dining vouchers or complimentary drinks at the hotel restaurant.

Next-stay rewardsDiscounts or special offers for a future stay give guests a reason to return.

Hotel experience rewardsEncourage visits to the spa, hotel shop, lounge and other facilities.
Review operational workload, hygiene and safety before launch.

Setup and refillsPlan the installation area, refill frequency, stock storage and cleaning procedures. We propose a layout that suits the hotel’s guest flow and interior.

Coins and guidanceDefine eligible stay packages, coin distribution conditions, opening hours and signage. We also propose front desk procedures and guest guidance materials.

Quality and safetyReview ingredient labels, usage precautions, allergy considerations and compatibility with bath facilities. Product design and operating procedures prioritize safe use.

Costs and responsibilitiesClarify responsibility for equipment, ingredients, refills, maintenance and rewards. We propose an implementation plan to suit the hotel’s needs and scale.
Required notices and operating rules depend on the installation conditions and service format.
Enhance guest satisfaction with a modest investment.

PlanAgree on the location, target guests, fragrances, rewards and costs, and design a concept that suits the hotel.

IntroduceOperate for an initial period, review usage and staff workload, and adjust procedures.

ReviewAnalyze guest feedback and review the bath salt selection and souvenir journey before deciding on a full rollout.


Let us work together to design an original experience for your hotel’s brand and guests.
Contact: 03-3795-6461 / social@si-tech.co.jp
For solving challenges and adding value in hotel operations,
please feel free to contact us.
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