Topical CBD is a popular way to ease aches and inflammation in a target way. But can CBD be absorbed through the skin? This article aims to provide a comprehensive overview of CBD’s transdermal absorption, its effectiveness, and whether there are risks involved.

Understanding CBD and the Skin

CBD is a non-psychoactive compound found in the cannabis plant, renowned for its potential therapeutic benefits. The skin serves as a protective barrier but also possesses the capability to absorb certain substances. This absorption capacity has led to the development of various topical CBD products, such as creams, balms, and patches, designed for localized relief.​

Mechanism of Skin Absorption

The skin comprises multiple layers. For a substance like CBD to be absorbed, it must penetrate these layers to reach the bloodstream. However, due to CBD’s lipophilic nature (affinity for fats), its ability to penetrate the skin is limited, primarily affecting localized areas without significant systemic absorption.​

Efficacy of Topical CBD Applications

Research into topical CBD applications has yielded promising results:​

• Pain Relief: A 2020 study observed that patients with peripheral neuropathy experienced significant pain reduction after using topical CBD oil compared to a placebo. (source)
• Inflammation Reduction: Preclinical studies suggest that CBD exhibits anti-inflammatory properties, potentially alleviating symptoms of conditions like arthritis. ​pmc.ncbi.nlm.nih.gov
• Skin Conditions: Topical CBD has been associated with improvements in inflammatory skin diseases and cutaneous scars, offering a potential therapeutic avenue for conditions like eczema and psoriasis. ​

Factors Influencing CBD Skin Absorption

Several factors can affect the efficacy of topical CBD products:

• Formulation: The presence of permeation enhancers in the product can increase CBD absorption by disrupting the skin’s outer layer, the stratum corneum. 
• Application Area: Skin thickness varies across the body; areas with thinner skin may absorb CBD more effectively.​
• Concentration: Higher concentrations of CBD in the product may enhance its therapeutic effects.​

Safety and Side Effects

Topical application of CBD is generally considered safe:​

• Minimal Systemic Absorption: Due to limited penetration into the bloodstream, the risk of systemic side effects is low.​
• Skin Reactions: Some individuals may experience skin irritation or allergic reactions. It’s advisable to perform a patch test before extensive use.​cedars-sinai.org

A dermatologist from Cedars-Sinai notes that while applying CBD beauty products to the skin is likely harmless, individuals should consult a dermatologist if they experience skin irritation, rash, or an allergic reaction. More testing is needed for definitive results on side effects.. (source)

Can Trace Amounts of THC from Topical CBD Be Absorbed and Detected in a Drug Test?

Many CBD products, especially full-spectrum formulas, contain trace amounts of tetrahydrocannabinol (THC)—the psychoactive compound in cannabis. A common concern among consumers is whether using CBD topicals could lead to a positive drug test due to THC absorption through the skin.

Does THC Absorb Through the Skin?

THC, like CBD, is lipophilic, meaning it binds to fats and has difficulty penetrating the skin deeply enough to enter the bloodstream. Most CBD topicals, such as lotions, creams, and balms, are designed for localized relief and do not reach the bloodstream in significant amounts. As a result, standard topical CBD products containing THC are unlikely to trigger a positive drug test.

However, there is one exception: transdermal CBD patches. Unlike regular topicals, transdermal patches are formulated with permeation enhancers, which help THC (and CBD) cross through the skin barrier and enter systemic circulation. If the THC from a transdermal patch enters your bloodstream, it could potentially show up in a urine drug test.

Will CBD Topicals with THC Show Up on a Drug Test?

For most users, CBD topicals will not cause a positive drug test, since the THC remains in the outer skin layers rather than entering the bloodstream. However, here are a few factors that could increase the risk of THC detection:

• Type of Product: Transdermal patches are more likely to introduce THC into the bloodstream than regular creams or lotions.
• THC Concentration: The higher the THC content in the topical, the greater the chance of absorption (although still minimal for non-transdermal products).
• Frequency of Use: Long-term and repeated use of high-THC topicals may increase the likelihood of absorption over time.
• Individual Skin Composition: Differences in skin permeability could affect how much, if any, THC enters the bloodstream.

Is There a Risk?

For most users, topical CBD products with trace amounts of THC will not cause a positive drug test. However, if you are subject to drug testing for work or legal reasons, it’s best to avoid transdermal patches and stick to THC-free (broad-spectrum or CBD isolate) topicals for peace of mind.

Legal Considerations

The legal status of CBD varies by region:​Harvard Health+3aamc.org+3mayoclinic.org+3

• United States: The 2018 Farm Bill legalized hemp-derived CBD products containing less than 0.3% THC at the federal level. However, state laws may vary, so it’s essential to be informed about local regulations.​
• International: Laws differ globally; always verify the legality of CBD products in your country before purchase or use.​

Conclusion

CBD can indeed be absorbed through the skin, offering localized relief for various conditions without significant systemic effects. Factors such as product formulation, application area, and individual skin characteristics influence its efficacy. While generally safe, it’s essential to choose high-quality products and consult with healthcare professionals, especially if you have underlying health conditions or are on medication.​

At Restart CBD, we are committed to providing premium, legal THC products that meet your wellness needs.​

Frequently Asked Questions (FAQ)

1. Can topical CBD make me feel “high”?

No, topical CBD products do not produce a “high” sensation. CBD is non-psychoactive, and when applied to the skin, it does not enter the bloodstream in significant amounts to cause such effects.​

2. How often should I apply CBD cream?

Application frequency depends on the product and individual needs. Generally, applying 1-2 times daily to the affected area is recommended. Always follow the manufacturer’s instructions.​

3. Can I use topical CBD for arthritis pain?

Some studies suggest that topical CBD may help reduce arthritis-related pain and inflammation. However, individual results may vary, and it’s advisable to consult with a healthcare provider for personalized advice.​

4. Are there any drug interactions with topical CBD?

Topical CBD has minimal systemic absorption, reducing the likelihood of drug interactions. However, if you have concerns, consult with a healthcare professional.​

5. How do I choose a quality CBD topical product?

Look for products that provide third-party lab testing results, use high-quality ingredients, and have positive customer reviews. Ensuring the product complies with legal THC limits is also crucial.​

For more information on our range of CBD products, visit Restart CBD.