Why Does Some Argan Oil Smell Different? The Role of Processing & Purity

 

Argan oil is known as "liquid gold" for a reason—its benefits for skin, hair, and nails are unmatched. But if you’ve ever purchased argan oil from different brands, you may have noticed something unusual: not all argan oils smell the same. Some have a rich, nutty aroma, while others are completely odorless. Why does this happen? And how does the smell of argan oil relate to its quality? In this guide, we’ll explore the role of processing and purity in determining the scent of argan oil, helping you make an informed choice when buying this prized beauty ingredient.

 

Stages of argan from left to right

 

What Does Pure Argan Oil Smell Like?

Authentic, unrefined argan oil has a distinctive, mildly nutty scent with subtle earthy undertones. This aroma comes from the natural composition of the oil, including its high levels of fatty acids, antioxidants, and vitamin E. The presence of these compounds is what makes pure argan oil so beneficial for the skin and hair.

However, the scent should never be overpowering or unpleasant. A strong, rancid, or overly pungent smell may indicate that the oil has gone bad or is of low quality due to improper storage.

Why Do Some Argan Oils Have No Smell?

If you’ve come across completely odorless argan oil, it has likely undergone a process called deodorization. This is a refining method where the oil is exposed to high heat or chemical treatments to remove its natural scent. While deodorization makes the oil more neutral and appealing to some consumers, it also strips away many of the beneficial nutrients that make argan oil so effective.

Key Differences Between Deodorized & Unrefined Argan Oil:

Deodorization is a refining process that removes the natural scent of argan oil by exposing it to high heat or chemical treatments. This does not mean that fragrance is added; rather, the existing natural aroma is stripped away. The process is commonly used to create an odorless oil for those who prefer a neutral scent, but it also diminishes the oil's nutrient profile. While this process makes the oil odorless, it also strips away many of the beneficial nutrients that contribute to its effectiveness. Deodorized argan oil is often used in mass-market cosmetics, but unrefined argan oil retains its full nutritional value and signature nutty scent.

• Deodorized Argan Oil: No scent, lighter texture, lower nutrient content.

• Unrefined Argan Oil: Natural nutty scent, rich in nutrients, retains all benefits.

The Impact of Processing on Argan Oil's Scent

The method used to extract and process argan oil plays a major role in its scent and quality. Here’s how different processing methods affect the oil:

1. Cold-Pressed, Unrefined Argan Oil (Best Quality)

• • Extracted using traditional hand-pressing or mechanical cold-pressing.

  • Retains its natural aroma and all essential nutrients.

  • Best option for skincare and haircare due to its high purity.

2. Deodorized Argan Oil

• • Processed at high temperatures or with chemical solvents.

  • Removes the natural smell but also reduces its effectiveness.

  • Often used in mass-produced cosmetic formulations.

3. Diluted or Fake Argan Oil

• • Often mixed with other cheaper oils to cut costs.

  • May have an artificial fragrance or an off-putting smell.

  • Lacks the full benefits of pure argan oil.

How to Identify High-Quality Argan Oil Based on Smell

To ensure you’re getting 100% pure, high-quality argan oil, use these tips:

1. Smell the Oil – A mild, nutty scent is a good indicator of authenticity. If it’s completely odorless, it’s likely deodorized. If it smells rancid, it’s past its prime.

2. Check the Ingredients – The label should say 100% Argania Spinosa Kernel Oil with no additives or fragrances.

3. Observe the Texture – Pure argan oil is lightweight, non-greasy, and absorbs quickly.

4. Look at the Color – High-quality argan oil is golden-yellow; if it's too pale or overly dark, it may be processed or impure.

Conclusion

The scent of argan oil tells you a lot about its quality. If you’re looking for the most effective and nutrient-rich version, always choose unrefined, cold-pressed argan oil with its natural nutty aroma intact. Avoid deodorized or chemically processed versions that may lack the same benefits. At ZAYNA, we are committed to providing pure, unrefined argan oil sourced directly from Morocco, ensuring the highest quality for your skincare and haircare routine.