After summer, many patients consult a dermatologist with similar complaints: their skin has become dry, with tightness, flaking, redness, and sometimes itching and burning. At the same time, a person may continue using the same skincare products that previously worked well, but now even a regular moisturizer can cause discomfort.
In many cases, the underlying cause is a compromised skin barrier. Its condition is affected not only by sun exposure. Heat, dry air, seawater and chlorinated water, wind, frequent cleansing, and air conditioning indoors can gradually increase moisture loss and make the skin more sensitive.
What Happens to the Skin After Summer
The skin barrier is located primarily in the outermost layer of the epidermis, known as the stratum corneum. It not only provides protection but also helps the skin retain water.
Simply put, it can be compared to a kind of “brick wall.” The cells of the stratum corneum form its main structure, while lipids between the cells help maintain the integrity of this system. Ceramides, cholesterol, and free fatty acids are particularly important.
When the structure of the stratum corneum is disrupted, water begins to evaporate from the skin's surface more rapidly. This process is known as transepidermal water loss (TEWL). Increased TEWL is one of the signs of a compromised skin barrier. Ultraviolet radiation can also affect the lipid structure of the stratum corneum and increase water loss. Therefore, after several months of significant sun exposure, the skin may become drier and more sensitive, even in someone who has never experienced these problems before.
Dry Skin and Dehydrated Skin: What Is the Difference?
These terms are often used interchangeably, although medically they describe different processes.
Dry skin is usually associated with a lack of lipids and changes in the skin's protective layer. The skin becomes rough, may flake, and may feel tight.
Dehydrated skin means that the water content of the stratum corneum has decreased. Even oily skin can be dehydrated. For example, after excessive cleansing or sun exposure, the skin may simultaneously appear shiny due to increased sebum production while also feeling dry and tight. After summer, these two conditions often occur at the same time. Therefore, the goal of skincare is not simply to “nourish” the skin with a cream, but also to help it retain moisture and restore normal barrier function.
Why Does the Skin Become Sensitive?
When the skin barrier is functioning normally, it limits the penetration of potentially irritating substances and helps protect the skin from environmental influences.
When the barrier is compromised, the sensitivity of nerve endings and the skin's response to irritants may increase. As a result, skincare products that were previously well tolerated may suddenly cause tingling or burning. This does not necessarily mean that you have developed an allergy to the product. Sometimes the skin has simply become more reactive because its barrier has been compromised.
That is why it is not advisable to immediately increase the number of active ingredients in your skincare routine after summer. Acids, retinoids, scrubs, and other potentially irritating products can be beneficial in certain situations, but their use requires caution when the skin is highly sensitive.
How to Properly Restore the Skin Barrier
First, reduce anything that may further irritate the skin. Cleansing should be gentle and should not leave the skin feeling excessively dry or “squeaky” afterward. Very hot water should also be avoided, as it can increase dryness.
The next step is regular moisturization. A good moisturizer works in several ways. Humectants, such as glycerin and hyaluronic acid, help retain water in the stratum corneum. Emollients make the skin softer and smoother, while occlusive ingredients reduce water evaporation from its surface. Ceramides deserve particular attention. These are naturally occurring lipids in the stratum corneum that contribute to the formation of its protective structure.
Research suggests that ceramide-containing products may improve the condition of dry skin and certain measures of skin barrier function.
At the same time, it is important to understand that no single ingredient is a universal solution. The effectiveness of a product depends on its overall formulation, the concentration of its ingredients, and the condition of the skin.
Does the Skin Need Oils and Rich Creams?
When dryness is significant, richer creams or ointment-based products may indeed be more beneficial than lightweight emulsions. Their purpose is not only to moisturize the skin but also to reduce water loss.
One of the most extensively studied occlusive ingredients is petrolatum. It can significantly reduce transepidermal water loss and is therefore widely used in dermatology for dry skin and compromised skin barriers. However, a rich cream is not suitable for everyone or in every situation. If the skin is prone to acne or a person does not tolerate heavy textures well, the product should be selected individually.
Why You Should Not Immediately Return to an Intensive Active Skincare Routine After Summer
One common mistake is trying to quickly address pigmentation, uneven skin texture, or post-acne marks by using multiple active ingredients at once. After summer, the skin may be more sensitive, so combining acids, retinoids, scrubs, and other active products can increase irritation.
Restoring the skin barrier does not mean permanently abandoning active skincare. Rather, it is about using the right sequence. First, the skin needs to regain comfort and stability. Active products can then be gradually reintroduced if they are genuinely needed.
SPF Is Still Necessary After Summer
The end of vacation does not mean that the skin is no longer exposed to ultraviolet radiation.
UV radiation contributes to photoaging, affects collagen and elastin, and can contribute to ongoing inflammatory processes in the skin. Therefore, sun protection remains an important part of skincare throughout the year. The American Academy of Dermatology recommends using a broad-spectrum sunscreen with an SPF of 30 or higher. During prolonged outdoor exposure, sunscreen should be reapplied according to the instructions for the specific product and the conditions of sun exposure.
Will Simply Drinking More Water Help?
Adequate fluid intake is necessary for the normal functioning of the body. However, simply increasing the amount of water you drink will not, by itself, restore a damaged skin barrier.
If the problem is increased transepidermal water loss and disruption of the lipid structure of the stratum corneum, the skin needs topical support.
Therefore, a glass of water does not replace a moisturizer, and moisturizer does not replace adequate fluid intake. These are different processes and should not be viewed as alternatives to one another.
When Should Dry Skin No Longer Be Considered a Normal Consequence of Summer?
If the skin remains dry and irritated for an extended period, the symptoms become more severe, or pronounced itching, cracks, oozing, pain, or persistent redness develop, it is advisable to consult a dermatologist.
What appears to be ordinary dryness may actually be a manifestation of various skin conditions, including atopic dermatitis, contact dermatitis, eczema, psoriasis, and several other disorders. In such cases, cosmetic skincare alone may not be sufficient.
In addition, pronounced or sudden dryness may sometimes be related to factors other than the condition of the skin itself. When necessary, a doctor will assess the patient's medical history, medications, and other possible causes.
What Does the Skin Really Need After Summer?
Restoring the skin barrier usually requires not a large number of cosmetic products, but a consistent skincare routine.
Gentle cleansing, regular moisturization, support of the skin's lipid layer, and daily sun protection help create conditions in which the skin can gradually restore its protective function.
And here, a little patience is important. The skin barrier does not always return to normal within a few days. If the skin is not overloaded with active products and additional irritation is avoided, its condition will generally improve gradually.
However, if dryness, burning, and redness persist or worsen, it is better not to experiment with skincare on your own. In such a situation, a dermatologist consultation can help determine the underlying cause of the problem and identify whether treatment is actually necessary.
Important: Cosmetic skincare can support the skin barrier, but it does not replace the diagnosis and treatment of dermatological conditions.
