Academic

UX App Design

Product Design

IoT

Smart Home

Vapra - Smart Essential Oil Diffuser

Designing a smart essential oil diffuser and its app for users to achieve relaxation and a personalized home environment

Project Overview

Many people struggle to relax at home due to stress and environmental distractions. Vapra transforms living spaces into personal sanctuaries by integrating scent, light, and air quality to create a calming atmosphere. Connected to Philips smart home systems such as Hue lights and air purifiers, Vapra uses NOWATCH data to adjust scents based on users’ mood and air quality. With six core scents, it offers tailored aromatherapy for relaxation and comfort.

Timeline

Timeline

Timeline

Fall Quarter 2023

(5 weeks)



What I Did

What I Did

What I Did

UX Research, UX Design, Product Design, Wireframe, Prototype, User Testing

UX Research, UX Design, Product Design, Wireframe, Prototype, User Testing

UX Research, UX Design, Product Design, Wireframe, Prototype, User Testing

Team

Team

Team

Independent Project



Independent Project



Independent Project



Tools I Used

Tools I Used

Tools I Used

Figma, Photoshop, Rhinoceros 3D, Keyshot (Render)

Figma, Photoshop, Rhinoceros 3D, Keyshot (Render)

Figma, Photoshop, Rhinoceros 3D, Keyshot (Render)

Summary

Problems

People often find it hard to relax at home due to stress, noise, and lack of sensory comfort. Most diffusers don’t personalize adjustment to mood or environment, and they rarely connect with smart home systems.


Solution

Vapra is a smart diffuser with a companion app that adjusts scent based on mood and environment. It connects with Philips smart devices and lets users personalize blends, creating a calm, responsive home experience.

Final App Design Highlights

Creating a Connected Sensory Experience

Imagine walking into your home and instantly feeling at ease—your diffuser knows your mood, adjusts the lighting, and fills the air with the perfect scent for relaxation. Vapra transforms your space into a truly harmonious sanctuary.

Smart Scent Matching

Effortlessly detect room conditions and user mood through the app to deliver the perfect scent for every moment.

Personalized Blending

Empower users to manually create the perfect scent blend tailored to their current mood and preferences.

Easy Device Setup

Easily set up and connect a new diffuser in just a few steps, ensuring a smooth and personalized experience.

Design Process

Explore

Problems

Transforming Homes into Sanctuaries of Relaxation

Stress from Work

Diffusers are a preferred choice for home scents, providing modern functionality.

Urban Living Challenges

Noise and lack of greenery in urban environments add to stress.


Noise and lack of greenery in urban environments add to stress.

Noise and lack of greenery in urban environments add to stress.

Difficulty Relaxing at Home

Homes fail to provide the peace and balance people need.


HOW MIGHT WE

HOW MIGHT WE

How might we enhance users' well-being and create a more harmonious living space?

OPPORTUNITY

How might we enhance users' well-being and create a more harmonious living space?

Research

Why a Diffuser?

Harnessing the Power of Scent to Transform Home Environments

Brain-Scents Connection

Scents bypass the thalamus and directly influence emotions and memory via the amygdala and hippocampus.

Benefits of Aromatherapy

Aromatherapy reduces anxiety, boosts memory, and promotes calmness, enhancing overall well-being.

Aromatherapy reduces anxiety, boosts memory, and promotes calmness, enhancing overall well-being.


Aromatherapy reduces anxiety, boosts memory, and promotes calmness, enhancing overall well-being.


Popularity of Diffusers

Diffusers are a top choice for home scents, offering lasting fragrance and modern functionality.


Why PHILIPS?

Aligning Innovation, Design, and Wellness for a Seamless Experience

Innovative Spirit

Philips' legacy of innovation aligns seamlessly with the forward-thinking vision of this smart fragrance device.


Design Style

Philips is known for its modern designs. Opting for Philips ensures the smart diffuser will be both functional and aesthetically pleasing.

Health and Wellness Focus

With a strong emphasis on well-being, Philips aligns with the device’s goal of enhancing users’ health and relaxation.


With a strong emphasis on well-being, Philips aligns with the device’s goal of enhancing users’ health and relaxation.


With a strong emphasis on well-being, Philips aligns with the device’s goal of enhancing users’ health and relaxation.



Synergy with Smart Home Ecosystem

Philips’ smart home products, like Hue lighting, create a synchronized and immersive user experience when integrated with the fragrance device.

Competitors

Design Insights from Competitive Analysis

An analysis of four smart diffusers on the market revealed that none offered customizable scents, presenting an opportunity to enhance my product's competitive edge.

Audience Interview Insights

Understanding the Role of Fragrance in Daily Life

Understanding the Role of Fragrance in Daily Life

Understanding the Role of Fragrance in Daily Life

Primary Purposes of Using Fragrances

  • To alleviate anxiety and promote relaxation.

  • To create a sense of daily ritual and mindfulness.

Ambiance Matters

  • Users highly value the atmosphere created by fragrance devices such as candles, incense, and humidifiers.

  • These devices play a key role in shaping the atmosphere of a space.

Visual and Sensory Appeal

  • Light effects (e.g., candle flames or device lighting) enhance the visual experience.

  • Smoke from incense and soothing accompanying sounds add to the overall sensory satisfaction.

From Insights to Innovation

Key Takeaways Driving the Smart Diffuser Design

Harnessing the Power of Fragrance

Harnessing the Power of Fragrance

Harnessing the Power of Fragrance

Scents enhance mood and relaxation, making a smart diffuser the ideal solution.


Unmet Market Opportunities

Unmet Market Opportunities

Unmet Market Opportunities

No existing diffusers offer smart home integration and customizable scents, highlighting an opportunity.


Sensory and Spatial Interaction

Sensory and Spatial Interaction

Sensory and Spatial Interaction

Users value the calming ambiance of candles, highlighting the importance of visual and spatial elements in the product design.

Design

Integrated Living with Vapra

Enhancing the Philips Smart Home Ecosystem Through Scent and Sensory Harmony

The diffuser works independently but connects seamlessly with Philips smart devices, offering users a richer and more immersive sensory experience.

Smart Diffuser Features

Revolutionizing Fragrance with Intelligent Technology

Design System

Design System for a Relaxing User Experience

The app's design incorporates soothing browns and greens to evoke tranquility and a deeper connection to nature, enhancing the overall calming experience.

All Screens

Explore Every Screen at a Glance

Discover all the app’s pages, designed to provide a seamless and intuitive user journey for controlling your smart diffuser.

Conclusion

What I learned

Integrating UX into Product Design
Merging my industrial design background with UX methodologies taught me to prioritize user experience, ensuring the product is both functional and enjoyable to use.


Designing for Smart Home Ecosystems
I gained insights into smart home operations and learned to connect my design seamlessly with existing products, ensuring a cohesive user experience within the ecosystem.

©2025 Sally Chung

©2025 Sally Chung

©2025 Sally Chung

©2025 Sally Chung