Neurodermatitis (atopic dermatitis): How CBD oil and CBD hemp natural cosmetics could support the skin barrier

Neurodermatitis, medically referred to as atopic dermatitis, is a chronic inflammatory skin condition characterized by dry skin, itching (pruritus), and a disturbed skin barrier. Millions of people worldwide are affected, often already in childhood and adolescence. Standard therapies such as moisturizing creams and corticosteroids are effective but reach their limits with long-term use. This is exactly where current research begins: New studies are investigating complementary approaches – particularly cannabinoids such as CBD oil and topical applications from CBD hemp natural cosmetics.
A recent review in the Journal of Cannabis Research (2025) shows that cannabinoids potentially possess anti-inflammatory, antipruritic, and antioxidant properties, making them an interesting addition in the treatment of atopic dermatitis.

What is Neurodermatitis (Atopic Dermatitis)?

Neurodermatitis is a chronic disease of the skin barrier. Typical symptoms include:

• severe itching
• dry, scaly skin
• inflammatory eczema
• increased sensitivity to irritants

The disease arises from an interplay of genetic predisposition, immune reactions, and a disturbed skin barrier. Particularly problematic is the persistent itching, which leads to scratching, inflammation, and further skin damage.

Classic Therapy – Effective but Not Perfect

The standard treatment includes:

• re-fatting care (emollients)
• corticosteroids
• calcineurin inhibitors
• PDE4 and JAK inhibitors
• systemic antibody therapies in severe cases

These therapies can effectively control symptoms but have limitations:

• Corticosteroids can cause side effects such as skin atrophy with long-term use
• many systemic therapies are expensive
• itching often remains an unresolved core problem

That is why interest is growing in complementary, well-tolerated approaches such as CBD oil and plant-based skincare products.

The Role of the Endocannabinoid System in the Skin

The skin has its own endocannabinoid system with CB1 and CB2 receptors. These are involved in:

• immune regulation
• inflammatory processes
• pain and itch processing
• skin barrier function

Enzymes such as FAAH and MAGL regulate the concentration of endogenous cannabinoids. Studies show that these receptors also occur in keratinocytes, immune cells, and nerve fibers of the skin. This is exactly where cannabinoids such as CBD (cannabidiol) act.

New Study (2025): Cannabinoids in Atopic Dermatitis

The review by Geraldo Stoco & Mazzola (2025, Journal of Cannabis Research) summarizes current data:

1. Cannabinoids have anti-inflammatory effects
2. they can reduce itching (pruritus)
3. they possess antioxidant properties
4. they partly also show antimicrobial effects

Particularly investigated were:

• CBD (cannabidiol)
• THC
• PEA (palmitoylethanolamide)
• synthetic cannabinoids such as dronabinol

The study situation shows promising effects, but clinical evidence in humans is still limited.

Itching as the Main Problem in Neurodermatitis

Itching is one of the most burdensome symptoms of atopic dermatitis. It arises through complex signaling pathways:

• histamine-dependent and histamine-independent mechanisms
• activation of TRPV1 receptors
• cytokines such as IL-4, IL-13, and IL-31

According to studies, cannabinoids can influence these processes, especially through:

• modulation of TRP receptors
• inhibition of inflammatory signaling pathways
• reduction of neuronal activation

CBD Oil and Skin: Possible Mechanisms of Action

CBD oil is often applied sublingually or topically and could have several effects:

• reduction of inflammatory mediators (e.g., TNF-α, IL-6)
• antioxidant protection against oxidative stress
• support of the skin barrier
• influence on itch signaling pathways

Studies have observed that cannabidiol:

• can reduce lipid peroxidation
• supports antioxidant enzymes
• possibly stabilizes the skin barrier

Important: Clinical evidence in humans is not yet conclusive.

CBD Hemp Natural Cosmetics as Complementary Skincare

Topical products such as CBD hemp natural cosmetics (creams, lotions, ointments) are increasingly being studied. Possible benefits include:

• improvement of skin moisture
• support of the skin barrier
• anti-inflammatory effects directly on the skin
• possible reduction of itching

Particularly interesting is the combination of:

• cannabidiol (CBD)
• ceramides
• plant lipids

This combination could support the natural skin barrier in neurodermatitis.

Skin Barrier, Ceramides, and CBD

A central factor in atopic dermatitis is the deficiency of ceramides. Ceramides are important for:

• protection against water loss (TEWL)
• stability of the skin barrier
• protection against irritants

Studies show that CBD:

• can influence the activity of enzymes that regulate ceramides
• could improve skin moisture
• possibly supports barrier function

This creates an interesting research approach for modern skincare products.

Antioxidant and Antimicrobial Effect

Besides inflammation, oxidative stress also plays a role in neurodermatitis. Cannabinoids, especially CBD, show in studies:

• reduction of reactive oxygen species (ROS)
• protection against cell damage
• possible antibacterial effect against Staphylococcus aureus

This germ is particularly overrepresented in neurodermatitis patients and can exacerbate inflammation.

Limitations of Current Research

Despite promising data, the following applies:

• many studies are preclinical (animal or cell studies)
• clinical studies in humans are limited
• results are partly contradictory
• legal frameworks complicate research

The current study situation therefore clearly emphasizes: Cannabinoids are not a substitute but only a possible complementary approach.

Conclusion – The Future of CBD in Neurodermatitis

Research shows growing interest in cannabinoids as a complementary therapy for neurodermatitis (atopic dermatitis). Especially CBD oil and CBD hemp natural cosmetics are in focus as they potentially:

• reduce inflammation
• alleviate itching
• strengthen the skin barrier
• lower oxidative stress

The 2025 study clearly emphasizes, however, that further high-quality clinical studies are needed to definitively confirm efficacy and safety. Cannabinoids are a promising research approach – but not yet an established standard therapy.

Source: Geraldo Stoco, A. A., & Mazzola, P. G. (2025). Therapeutic potential of cannabinoids for treating atopic dermatitis. Journal of Cannabis Research, 7:57. https://doi.org/10.1186/s42238-025-00317-4

Images: MUTHIA ASHIFA SALSABELLA on Unsplash, Bundo Kim on Unsplash, Shutterstock