Scent Marketing Scientifically Explained: How Ambient Scent Can Influence Brand Perception and Customer Behavior

Scent marketing refers to the targeted use of scent as part of a spatial, brand, or customer experience.

Scents can activate emotions and memories, thereby influencing how an environment is perceived. Research on olfactory processing describes close functional relationships between scent, the amygdala, hippocampus, and orbitofrontal cortex – brain regions involved in emotion, evaluation, and memory, among other things.

However, this does not mean that every pleasant scent automatically leads to higher sales.

Professional scent marketing works in a much more nuanced way.

Why scents can be so strongly linked to memories

Scents have a special ability to trigger autobiographical and emotional memories. Scientific studies describe both the neural connection between olfactory processing and emotion-related structures, as well as the special quality of scent-induced memories.

This is interesting for brands:

When customers repeatedly experience a consistent scent signature in connection with a specific environment, the scent can become part of the overall brand experience.

It does not replace the logo, design, or service – but it can complement these elements.

What does research say about scent marketing?

Meta-analyses on atmospheric stimuli in retail show, on average, positive correlations between pleasant ambient stimuli such as scent and various affective or behavioral responses. However, the strength of the effect depends heavily on context and design.

Studies on the congruence between scent and brand or store concept also show that congruence can play an important role.

Therefore, the correct conclusion is not:

"Scent automatically increases sales."

But rather:

"A suitable room fragrance can be part of a positive brand and spatial experience."

The four most important factors of a professional scent concept

1. The scent must match the brand

A high-quality hotel lobby requires a different scent profile than:

• a gym
• a beauty salon
• a fashion boutique
• a car care brand
• a spa
• an office.

The scent should support the desired brand perception.

2. Intensity must be controlled

More scent does not automatically mean more effect.

A pleasant background scent should generally not permanently draw attention to itself.

The room should feel pleasant – it should not "have to smell" like a scent source.

3. The scent must be technically compatible with the system

A scent composition can appear differently in:

• reed diffusers
• scent machines
• candles
• room sprays

Carrier material, evaporation, air movement, and temperature change the scent release.

4. The concept must be reproducible

For professional scent marketing, the intensity in the room should not vary completely every month.

Therefore, documentation should include, for example:

• room size
• scent system
• device settings or number of diffusers
• position
• ventilation
• operating time
• scent composition used.

Which scent profiles suit which brands?

There is no rigid assignment, but scent families can support different associations.

Clean & Fresh

Suitable for concepts that should appear:

• clean
• modern
• light
• functional

Woody & Amber

Can support a:

• warm
• high-quality
• calm
• elegant

atmosphere.

Floral

Depending on the composition, can appear:

• soft
• elegant
• natural
• luxurious

Citrus & Green

Is often associated with:

• freshness
• dynamism
• lightness

Gourmand

Can create a warm and inviting atmosphere, but should be particularly carefully matched to the respective business concept.

These assignments are sensory design directions and not universal psychological rules.

Scent marketing in hotels and spas

In hospitality environments, room scent can be part of the overall service experience. A current meta-analysis examines pleasant room scents specifically in retail and hospitality contexts and reports context-dependent positive effects on affective, cognitive, and behavioral responses.

A hotel scent should be:

• pleasantly perceptible
• not dominant
• recognizable
• controllable across different areas

Scent marketing in retail

In retail, the scent signature should match:

• product
• price segment
• store design
• customer group

Studies on olfactory congruence support the importance of this alignment.

How to develop your own scent concept

Step 1: Define brand identity

Which three to five characteristics should the customer perceive?

Example:

modern – clean – high-quality – calm

Step 2: Select scent families

From these characteristics, suitable olfactory directions are derived.

Step 3: Test several scents

Not just from the bottle.

The scent must be tested in the real space and in the real diffusion system.

Step 4: Optimize intensity

It's better to start with a weaker scent and gradually increase the diffusion in a controlled manner.

Step 5: Observe customer reactions

Employees and selected test persons can, for example, evaluate:

• pleasant/unpleasant
• too weak/optimal/too strong
• appropriate/inappropriate for the brand
• recognizability.

FAQ

Does scent marketing really work?

Research shows that room scent can influence perception and behavior. However, the effect and direction depend heavily on the respective context.

Does a stronger scent make marketing more effective?

No. Intensity is only one factor. A too dominant scent can even impair the desired effect.

Should every company use its own signature scent?

Not necessarily. However, for brands, hotels, or locations with recurring customer experiences, a consistent scent identity can be beneficial.

Can the same scent be used in all rooms?

Technically yes, but the ideal intensity can vary significantly depending on room size, air exchange, and usage.

Conclusion

Professional scent marketing does not simply mean:

"We make the room smell as strong as possible."

Successful scent marketing combines:

Brand + scent profile + space + target group + controlled intensity + technical implementation.

Only when these factors align can room scent meaningfully become part of a brand identity.

Professionally reviewed by: Aroma Nova Product Development
As of: August 2026

Academic Sources

Soudry et al. – Olfactory system and emotion: common substrates.
Herz – Research on scent-induced memories.
Roschk et al. – Meta-analysis on atmospheric effects of music, scent, and color.
Meta-analysis on Ambient Scent in Retail and Hospitality.