top of page

The Power of Activated Carbon in Smell Proof Bags

Updated: Nov 7, 2023


Smell proof bags have become essential accessories for individuals who need to transport items with strong odours discreetly and without detection. Whether you're carrying herbs, food, or other aromatic substances, these bags provide a reliable solution to keep unwanted scents at bay. One of the key technologies behind the effectiveness of these bags is activated carbon, a powerful odour-absorbing material. In this article, we will explore the science behind activated carbon and how it's used to create effective smell-proof bags.

What is Activated Carbon?

Activated carbon, also known as activated charcoal, is a highly porous and adsorbent material derived from various sources such as coconut shells, wood, or coal. Its unique structure contains countless microscopic pores and an enormous surface area, which can be as large as 2,000 square meters per gram. This extensive surface area is crucial for its ability to adsorb and trap odorous molecules effectively.

The Science of Odour Absorption

Activated carbon works through a process called adsorption, not to be confused with absorption. Absorption occurs when one substance is taken into the structure of another, while adsorption is a surface-based process where molecules adhere to the surface of a material. Activated carbon's porous structure allows it to trap and hold odour molecules by van der Waals forces, creating a strong bond between the carbon and the odorants.

How Activated Carbon is Used in Smell Proof Bags

  1. Layered Technology: Smell proof bags often feature a multi-layered design to maximize odor protection. The innermost layer typically consists of activated carbon fabric, which is strategically placed to come into direct contact with the odours you wish to conceal. The activated carbon traps and holds odour molecules, preventing them from escaping the bag.

  2. High Surface Area: Activated carbon's impressive surface area ensures that it can adsorb a significant quantity of odour molecules. This is especially useful when dealing with potent or persistent smells.

  3. Durability: Activated carbon is durable and can withstand repeated use. It can effectively remove odours from the bag's interior for an extended period.

  4. Rechargeable: Many smell proof bags with activated carbon technology are designed to be rechargeable. To refresh the carbon's effectiveness, simply expose it to fresh air and sunlight for a few hours. This process releases the trapped odours and restores the carbon's odour-absorbing capability.

Advantages of Activated Carbon in Smell Proof Bags

  1. Discreet Transportation: Whether you need to transport herbal products, snacks, or other items with strong odours, activated carbon-equipped bags offer a discreet and reliable solution, ensuring that the scent remains contained.

  2. Environmentally Friendly: Activated carbon is a sustainable and eco-friendly material. Its reusability and long lifespan reduce waste and contribute to a greener approach to odour control.

  3. Versatility: Smell-proof bags with activated carbon can be used for various purposes, including travel, outdoor activities, and everyday use.

  4. Peace of Mind: Knowing that your items are securely stored in a smell-proof bag with activated carbon can provide peace of mind, especially when traveling in situations where odours could attract unwanted attention.


Activated carbon has revolutionized the concept of smell proof bags, making them an indispensable tool for individuals seeking to transport items discreetly. Its unique adsorption properties, durability, and versatility have made it the go-to choice for effectively controlling odours. As the demand for odour management solutions continues to grow, it's likely that activated carbon will play an increasingly important role in various applications, ensuring our olfactory privacy and comfort. So, the next time you need to transport something discreetly, consider the power of activated carbon in a smell proof bag to keep unwanted odours at bay.

6 views0 comments


bottom of page