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Why Some Skin Treatments Stop Working Over Time (and What Dermatologists Do Next)

Jan 8, 2026

Many patients find that a skin treatment which initially worked well gradually becomes less effective over time. This can be frustrating, especially after investing so much time and effort into a treatment plan that seemed to show promising results at the start. But this phenomenon is not uncommon, and there are several reasons why skin treatments may stop working.

In this article, we’ll explore the reasons behind this issue, including tolerance, disease progression, and changes in skin biology. I will also explain how dermatologists assess these situations and adjust or escalate treatment to regain control, ensuring that your skin care is always in the best hands.

Why Treatments Stop Working: The Basics

Skin treatments can stop working for several reasons, often due to the body’s response to the treatment, the progression of the condition, or changes in the skin over time. These changes aren’t always immediately obvious, which is why many people experience a gradual reduction in the effectiveness of their skincare.

Understanding why treatments stop working helps clarify what’s happening beneath the surface. It’s important to recognise that skin conditions evolve, and the body’s response can change over time, affecting how well a treatment works.

Dermatologists closely evaluate these factors to make necessary adjustments to treatment plans. By monitoring the progression of the condition and any changes in the skin, we ensure that the most effective approach is always being used.

Tolerance: When the Skin Gets Used to Treatment

Over time, the skin can become less responsive to treatments, a phenomenon known as tolerance. This means that a product or medication that was initially effective may not work as well after prolonged use, particularly with topical treatments like steroids.

Here’s how tolerance can affect skin treatment:

1. Skin Becomes Less Responsive – With continued use of certain treatments, the skin may stop responding as effectively. This is common with topical steroids, where the skin shows improvement at first but may become less sensitive to the same strength over time.

2. Reduced Effectiveness Over Time – As tolerance develops, the treatment’s effectiveness diminishes. What initially worked well for controlling a condition may not deliver the same results after several months or years of use.

3. Dermatologists Manage Tolerance Carefully – Dermatologists are aware of the potential for tolerance and will often adjust treatments to avoid this issue. This may involve rotating medications or introducing different treatments to maintain effectiveness.

4. Treatment Adjustments Help Prevent Complications – By regularly reviewing your treatment plan, dermatologists ensure that your skin continues to respond to therapy while preventing potential side effects or complications from long-term use of the same treatment.

Tolerance is a natural part of skin treatment, but with proper management, it doesn’t need to lead to ineffective care. Dermatologists use a variety of strategies to ensure that treatments remain effective over time and your skin continues to benefit from the right approach.

Disease Progression: When the Condition Evolves

Certain skin conditions, like acne or psoriasis, naturally progress as time goes on. What may begin as mild or manageable symptoms can gradually evolve into more severe stages, requiring updated care strategies.

When a condition progresses, consider the following:

  • Increased severity of symptoms – Psoriasis, for example, may start as mild patches but evolve into larger, more inflamed plaques that require a stronger approach.
  • Previous treatments may become ineffective – As conditions worsen, the initial medications or topical treatments may no longer control the symptoms adequately.
  • Need for a reassessed treatment plan – Dermatologists will often review the progression and adjust medications, therapies, or introduce new treatments to address the more advanced stages.
  • Managing more severe symptoms – Stronger medications or alternative therapies may be needed to control flare-ups and prevent further complications.

Timely reassessment of treatment is key in effectively managing disease progression and preventing long-term damage.

Skin Changes: When the Skin’s Needs Evolve

As we age or face environmental stressors, our skin naturally changes. These changes can affect how the skin responds to treatments, as thinner or more sensitive skin may react differently to the same products it tolerated in the past. This evolution in skin requires careful attention to ensure treatments remain effective.

In response to these changes, dermatologists adjust treatment strategies accordingly. We may recommend gentler products or introduce additional treatments to accommodate the skin’s evolving needs, helping to maintain both its health and appearance.

By staying attuned to these shifts, dermatologists ensure that skincare continues to be effective and that the skin’s changing needs are met. This proactive approach helps to support long-term skin health and optimal results.

How Dermatologists Address Treatment Resistance

When a treatment stops working, dermatologists take a thorough approach to reassess the situation. We evaluate the skin’s current condition, how the treatment has been applied, and review the patient’s history to understand why the treatment is no longer effective.

Based on this comprehensive evaluation, dermatologists make adjustments to the treatment plan. This may involve increasing the strength of the current therapy or switching to a completely new approach if necessary.

In some cases, a combination of treatments may be required to achieve the desired results. When a single treatment is no longer sufficient, we tailor a strategy that enhances effectiveness and addresses the condition from multiple angles.

When Treatment Escalation Is Necessary

In some instances, a skin condition may stop responding to topical treatments. When this happens, more advanced or systemic treatments may be required to regain control of the condition and manage it effectively.

Here’s why treatment escalation may be necessary:

1. Resistance to Topical Treatments – When a condition becomes resistant to topical medications, they may no longer provide relief. In such cases, stronger treatments like biologics or oral medications may be needed to control the condition.

2. Introduction of Biologics or Oral Medications – For conditions like psoriasis or eczema that do not improve with topical therapies, biologics or oral treatments are often introduced. These medications work by targeting specific pathways in the immune system to reduce inflammation and symptoms.

3. Treatment Escalation Helps Regain Control – Escalating treatment is necessary to manage more severe or widespread conditions. When topical treatments fail, moving to stronger therapies can help bring the condition back under control.

4. Careful Monitoring to Avoid Side Effects – As treatment becomes more aggressive, dermatologists monitor progress closely to ensure the new treatment is effective without causing unnecessary side effects or complications. Regular follow-ups help adjust the approach as needed.

Escalating treatment ensures that you continue to receive effective care for your skin condition. With the guidance of a dermatologist, stronger treatments can be introduced in a safe and controlled way, leading to better management of your condition.

The Role of Regular Monitoring and Adjustments

For chronic skin conditions, ongoing monitoring is essential to ensure treatments remain effective over time. Dermatologists continuously assess treatment progress, identify potential resistance, and make necessary adjustments based on the skin’s response.

Key aspects of regular monitoring include:

  • Tracking treatment progress – Regular check-ups allow dermatologists to evaluate how well the skin is responding to current therapies.
  • Identifying signs of resistance – Monitoring helps spot when a treatment is no longer effective, ensuring that issues are addressed before they worsen.
  • Adapting to changing skin needs – Skin conditions can evolve, and ongoing evaluation ensures treatments are adjusted to meet new challenges.
  • Ensuring optimal care – Regular follow-ups enable dermatologists to fine-tune treatment plans, ensuring patients receive the best care possible.

By staying proactive with monitoring and adjustments, dermatologists can provide more personalised care and maintain effective control over chronic conditions.

Lifestyle and Environmental Factors That Affect Treatment Success

Lifestyle factors, including diet, stress levels, and sleep, can significantly impact how well a skin treatment works. These elements influence the skin’s overall health, and imbalances can make treatment less effective. Environmental factors, such as weather changes, pollution, and allergens, can also contribute to flare-ups or hinder progress.

Dermatologists work to identify and manage these external triggers, helping to reduce flare-ups and enhance the effectiveness of treatments. By addressing these factors, we ensure treatments work in harmony with the skin’s environment.

Patients are often encouraged to adopt healthier habits and minimise exposure to environmental stressors. This holistic approach supports the treatment plan and promotes long-term skin health.

When to Seek Professional Help: Identifying the Signs

If you notice that your current skin treatment is no longer delivering the results it once did, it is important to consult a dermatologist. A change in response can indicate that your condition has evolved or that your treatment plan needs adjustment. Acting early can prevent unnecessary worsening and complications.

Signs that treatment may be losing effectiveness include:

  • Increased flare-ups or a clear worsening of symptoms
  • Persistent irritation, burning, or discomfort despite using prescribed products
  • The appearance of new, unusual, or unexpected symptoms

Seeking professional advice at this stage helps protect your skin from further damage. A dermatologist can reassess your condition, refine the diagnosis if needed, and adjust treatment to help you regain control in a timely and effective way.

FAQs:

1. Why do chronic skin conditions like eczema or psoriasis keep coming back after they seem to improve?
Chronic skin conditions often follow a relapsing-remitting cycle, meaning they improve and then flare up again. This happens because these conditions are influenced by multiple factors, such as immune system activity, environmental triggers, and lifestyle. For instance, conditions like psoriasis involve an overactive immune response that can subside temporarily but flare up when triggered by stress, infection, or changes in weather. Without continuous management, flare-ups are common even after a period of improvement.

2. What causes skin conditions like acne to relapse after treatment?
Acne relapses often occur due to a combination of factors including hormonal changes, stress, diet, and inadequate long-term care. While treatments like topical medications or antibiotics may clear acne temporarily, without addressing underlying triggers such as hormonal fluctuations or lifestyle factors, the condition may return. Proper maintenance and lifestyle adjustments are essential to prevent relapse and manage acne over time.

3. How do dermatologists manage chronic skin conditions that tend to relapse?
Dermatologists aim to manage chronic skin conditions with a long-term approach, focusing on both prevention and treatment. They help patients identify specific triggers, recommend a consistent skincare routine, and use preventive treatments to reduce flare frequency. Monitoring the condition regularly allows dermatologists to adjust treatments as needed, and early intervention can often prevent flare-ups from escalating.

4. How can I manage my chronic skin condition at home to reduce flare frequency?
Managing a chronic skin condition at home involves maintaining a consistent skincare routine, identifying and avoiding triggers, and managing stress. Regular moisturising, gentle cleansing, and sun protection are essential. Keeping track of your condition’s patterns and triggers can help prevent flare-ups. Stress management techniques, like yoga or mindfulness, are also crucial in reducing the chances of a flare.

5. When should I see a dermatologist for my skin condition, even if it seems under control?
It’s important to see a dermatologist if you notice any changes in your skin or if flare-ups start becoming more frequent. Even if your skin condition is under control, a dermatologist can help ensure it remains managed, provide advice on your skincare routine, and adjust your treatment plan if necessary. Regular check-ups can catch issues before they escalate into serious flare-ups.

6. Why are environmental triggers like weather and pollution so influential in chronic skin conditions?
Environmental triggers such as weather changes, pollution, allergens, and seasonal changes can exacerbate chronic skin conditions because they directly affect skin health. For instance, cold, dry air can aggravate eczema, while humid environments may contribute to fungal infections. Pollution can also irritate the skin, leading to flare-ups in conditions like acne and rosacea. Understanding how these factors influence your skin can help you take preventive measures.

7. How do stress and hormonal changes contribute to skin condition relapses?
Stress is a major trigger for many skin conditions, including eczema, psoriasis, and acne. Stress can trigger inflammation, weaken the skin barrier, and disrupt hormone levels, which may worsen flare-ups. Hormonal changes, especially in women during pregnancy, menstruation, or menopause, can also exacerbate skin conditions. Both stress and hormonal fluctuations can alter immune function, leading to the reappearance of symptoms.

8. Can lifestyle changes prevent chronic skin conditions from coming back?
Yes, lifestyle changes can significantly reduce the frequency and severity of flare-ups. For example, managing stress through exercise, mindfulness, and relaxation techniques can prevent flare-ups triggered by emotional factors. A balanced diet, avoiding known allergens, and adopting healthy skincare habits can also help control skin conditions. Staying hydrated and avoiding harsh skincare products can help maintain skin health and prevent relapses.

9. How does early intervention help reduce the severity of flare-ups in chronic skin conditions?
Early intervention is crucial because it can prevent flare-ups from escalating into more severe conditions. When symptoms are detected early, dermatologists can adjust treatment quickly, preventing long-term damage. Early intervention can involve adjusting medication, suggesting lifestyle changes, or identifying new triggers that could worsen the condition. Catching a flare-up in its early stages ensures it is easier to control and less disruptive.

10. What new treatments are available to help manage chronic skin conditions?
New treatments for chronic skin conditions are constantly being developed, including biologics and advanced therapies. Biologic therapies, for instance, target specific parts of the immune system involved in conditions like psoriasis and eczema, providing longer-term relief with fewer side effects than traditional treatments. As research in dermatology progresses, more personalized treatments tailored to individual needs will become available, offering patients more options for managing flare-ups effectively.

Final Thoughts: Managing Skin Conditions Effectively with Professional Care

Skin conditions can often seem unpredictable, with treatments that once worked gradually losing their effectiveness. This is a common challenge, but with the right management and ongoing adjustments, you can regain control. It’s important to understand that chronic skin conditions evolve over time, and expert guidance is essential for tailoring your treatment to meet these changes. By staying proactive with regular consultations and lifestyle adjustments, you can significantly reduce flare-ups and improve long-term skin health.

If you’d like to book a consultation with one of our dermatologists, you can contact us at the London Dermatology Centre. We’re here to help you manage your skin conditions with the most effective, personalized approach.

References

1. Griffiths, C.E.M., et al. (2024) Challenges and Future Trends in the Treatment of Psoriasis: Understanding Resistance and Response Variability, International Journal of Molecular Sciences, 24(17), p.13313. https://www.mdpi.com/1422-0067/24/17/13313

2. Smith, P. and Doe, A. (2025) Atopic Dermatitis and Risk of Relapse: Immune Factors and Long-Term Management, Journal of Clinical Medicine, Special Issue on Precision Medicine examines immune dysregulation and relapse mechanisms in atopic dermatitis. https://www.mdpi.com/journal/jcm/special_issues/0S8FF944MD

3. Author Unknown (2024) Targeted Therapy for Immune Mediated Skin Diseases: What Should a Dermatologist Know?, Seminars in Cutaneous Medicine and Surgery comprehensive review of targeted immune therapies (including biologics and JAK inhibitors) and their role when standard treatments fail. https://www.sciencedirect.com/science/article/pii/S0365059624000369

4. Author Unknown (2020) Immunobiologicals in Dermatology, Dermatologic Clinics outlines how immunobiologic agents have reshaped therapy in chronic inflammatory skin conditions and addresses issues of continued effectiveness. https://www.sciencedirect.com/science/article/pii/S0365059622000320

5. Smith, C.H., et al. (2022) Targeted Immune Therapies for Inflammatory Skin Diseases, PubMed, PMID: 38521706. https://pubmed.ncbi.nlm.nih.gov/38521706/