Fragrance

Aroma

INCI: AROMA

Reviewed by Emma · Last updated 2 Jun 2026

Fragrant compounds that mask undesirable odours in cosmetic formulations

Best For Skin Types

All

Usage Frequency

Daily

What Is Aroma?

Aroma refers to fragrant compounds used in skincare and cosmetic products, typically derived from essential oils or synthetic sources. These volatile molecules are responsible for the scent profile of a product and serve a functional purpose beyond aesthetics: they help mask unwanted odours that arise from other ingredients such as fatty acids, oils and surfactants commonly used in formulations.

Aroma compounds are present in roughly 2.4% of skincare products. They are classified as flavouring agents within cosmetic ingredient nomenclature, though their primary role in skincare is olfactory rather than gustatory.

How It Works

Aroma compounds work primarily through olfaction—they are volatile molecules that evaporate from the product and interact with olfactory receptors in the nasal passage, creating the perception of scent. This sensory signal can influence user satisfaction and perceived efficacy of a skincare product.

When aroma compounds are derived from essential oils, they may also interact with the skin itself, though the extent of any dermatological activity depends on the specific botanical source and concentration used.

Clinical Evidence & References

Research indicates that essential oils—a common source of aroma compounds—can function as both fragrance agents and preservatives in cosmetic formulations, whilst potentially offering additional skin benefits depending on their origin. However, specific clinical evidence for aroma compounds as standalone skincare actives is limited.

Most evidence focuses on the sensory and masking properties of fragrance rather than direct therapeutic skin effects. Further research would be needed to establish whether aroma compounds provide measurable benefits beyond odour control and consumer appeal.

How to Use

Aroma is typically incorporated into formulations during manufacture rather than applied separately. If using a fragrant product, ensure it is well-tolerated by your skin. Those with fragrance sensitivity should patch test first or opt for fragrance-free alternatives.

Safety & Precautions

Aroma compounds are generally well-tolerated in cosmetic formulations at typical concentrations. However, fragrance is a known contact allergen for some individuals, particularly those with sensitive skin or fragrance sensitivity. Avoid contact with eyes.

Frequently Asked Questions

From the Clinic

Not sure what your skin actually needs?

Two minutes, a few questions, and we’ll point you at what matters — no guesswork.

Take the skin quiz

Learn More About Skincare Ingredients

Explore our comprehensive ingredient glossary to understand what's in your products.

Browse All Ingredients

Authorised Stockist

Official UK retailer

Tracked Delivery

Free UK shipping over £50

5 Star Rating

Trusted by thousands

Expert Advice

Free consultations