October 09, 2025

What Are Terpenes? A UK Guide to Aromas & Effects | Valley CBD

An artistic representation of plant molecules and aromas, symbolizing terpenes.

What Are Terpenes? The Hidden Powerhouse in Your CBD Oil

By David Smith | Last Updated: 5th April 2026

Ever notice the fresh scent of a pine forest, the relaxing aroma of lavender, or the zesty smell of a lemon? Those distinct scents are all thanks to natural compounds called terpenes. And it turns out, these powerful molecules do a lot more than just smell nice.

Terpenes are also found in the hemp plant, and they play a crucial role in the effectiveness of your CBD oil. They are the main contributors to the 'entourage effect', working in synergy with CBD to enhance its benefits. This guide will explore what terpenes are and why they matter.

Common Terpenes Found in Hemp and Their Effects

While there are over 100 different terpenes in hemp, a few are particularly common. Each one has a unique aroma and its own set of potential therapeutic benefits.

Myrcene: The most abundant terpene in hemp, it has an earthy, musky aroma. It is known for its relaxing and sedative properties, making it great for calming products.
Limonene: Found in citrus peels, this terpene has a strong citrus smell. It is associated with mood elevation and stress relief.
Linalool: Famous for its role in lavender, this terpene has a floral scent and is celebrated for its calming and anti-anxiety effects.
Pinene: As the name suggests, this smells like pine needles. It is believed to help with alertness and memory, and also has anti-inflammatory properties.

"I used to use a CBD isolate that had no taste or smell and it barely did anything. Since switching to Valley CBD's broad-spectrum oil, the difference is night and day. You can smell the rich, earthy plant goodness, and it works so much better for my anxiety."
- Chloe, Bristol

Frequently Asked Questions (FAQs)

Q: Do all CBD oils contain terpenes?

A: No. Full Spectrum and Broad Spectrum CBD oils contain terpenes because they are made using a whole-plant extract. CBD Isolate, on the other hand, is pure CBD with all other compounds, including terpenes, removed. This is why Broad Spectrum oils are often preferred for their enhanced benefits via the entourage effect.

Q: Can terpenes get you high?

A: Absolutely not. Terpenes are non-psychoactive aromatic compounds found in many plants, not just hemp. They are responsible for scents and flavours and have therapeutic properties, but they do not produce a 'high' like THC.

Q: Why does my CBD oil smell 'earthy'?

A: That earthy or grassy smell is a great sign! It means your CBD oil is rich in natural terpenes and chlorophyll from the hemp plant. An oil that has no smell is often a highly processed isolate that is missing these beneficial compounds.

More Than Just a Smell

Terpenes are a vital part of what makes a high-quality CBD oil effective. By choosing a broad-spectrum product, you are getting the full benefits of the hemp plant working together in harmony.

Experience the power of the entourage effect with our terpene-rich Valley CBD Oils.

About the Author: David Smith

David is the Head of Wellness at Valley CBD and a passionate advocate for natural health solutions. With years of experience researching the benefits of cannabinoids, he is dedicated to educating consumers on the safe and effective use of CBD.