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Skin protective barrier and seasonally sensitive skin: Why must it be strengthened in autumn and spring?

Skin protective barrier and seasonally sensitive skin: Why must it be strengthened in autumn and spring?

There are periods when your usual skincare routine suddenly stops providing the comfort it once did. After washing your face, you may feel a sense of tightness, the skin becomes drier, irritation occurs, and a serum or cream that your skin previously tolerated well now causes a tingling sensation. Sometimes the situation is even more confusing: the skin starts to produce more oil while simultaneously flaking and feeling dehydrated.
This does not always mean your skin type has changed. Much more often, it is the condition and defensive capacity of your skin that have changed.
In this article, we will find out what the skin barrier is, why the change of seasons is most difficult for it, what surprising facts science reveals, and how to properly care for your skin according to its specific needs.

What is the skin's protective barrier and how does it work?

The skin's protective barrier is easiest to imagine as a carefully constructed wall in the outer layer of the epidermis.
In this structure, skin cells act as bricks, while the lipids between them help bind the cells together. Ceramides, fatty acids, and cholesterol play a significant role in the composition of these lipids.
As long as this structure functions fully, the skin is able to retain more moisture and better protect itself from environmental influences.
If the lipid balance is disturbed, water begins to evaporate from the skin faster. This process is called transepidermal water loss, or TEWL.
As a result, dryness, roughness, flaking, a feeling of tightness, and increased sensitivity may appear.
However, skin protection is not just about the lipid layer. The skin microbiome, immune processes, and the nervous system also play a part. That is why sensitivity can manifest not only through visible redness but also through burning, tingling, or itching.

How to recognize a weakened skin protective barrier?

You cannot determine the state of your skin's protective barrier at home based on just one sign; however, there are several symptoms that often appear together.

A characteristic sign is a distinct feeling of tightness after washing. The skin may become rougher, start to flake, or redden more quickly in the cold and wind. Previously well-tolerated cosmetic products may start to cause tingling.

Sometimes the skin becomes oilier and drier at the same time. This is not contradictory, as the amount of sebum does not indicate how well the horny layer of the skin is hydrated. Even oily skin can be dehydrated.
During a more sensitive period, burning and itching may also occur. This is related not only to the surface layer of the skin but also to neurosensory mechanisms, which can react more intensely to irritation in sensitive skin.

What is seasonally sensitive skin?

For some people, the skin is not permanently sensitive. For most of the year, it may be balanced and tolerate usual cosmetics well, but suddenly becomes sensitive during certain periods.

In Japanese beauty care, this condition is referred to as Yuragi Hada. It describes an unstable skin state where, due to external or internal factors, the skin temporarily becomes drier, reddened, more sensitive, or starts to produce excess oil.

This can be triggered by seasonal changes, rapid temperature fluctuations, stress, hormonal changes, lack of sleep, cosmetics, and environmental pollution.
 
Therefore, sensitive skin and seasonally sensitive skin are not exactly the same thing.
For permanently sensitive skin, discomfort and increased reactivity usually recur regularly. Seasonally unstable skin can feel fine for months, but its tolerance threshold decreases under certain conditions.
In practice, this means one important thing: it is advisable to choose skincare not only based on your skin type but also based on its current condition.

3 most important directions in caring for seasonally sensitive skin

For the skin to regain comfort, it is worth focusing on three interrelated processes: the protective barrier, the microbiome, and reducing skin sensitivity.

Moisture and lipids

Moisturizing cosmetics are not a single group of products. Different ingredients perform different tasks.
Humectants, such as glycerin, panthenol, beta-glucan, and PCA-Na, help attract water and keep it in the stratum corneum.
Emollients, including plant oils and squalane, soften the skin, improve its comfort, and help reduce moisture loss.
Meanwhile, ceramides, fatty acids, and cholesterol are linked to the intercellular lipid structure.

Therefore, very dry or weakened skin often requires not only a moisturizing serum but also a product that provides sufficient lipids.

GMT BEAUTY Supreme Night Cream contains substances that help strengthen the skin's protective barrier during the night.

Skin microbiome balance

The skin's surface is inhabited by a diverse community of microorganisms, which are part of its natural defense.
Therefore, the goal is not to cleanse the skin as aggressively as possible. In the case of particularly sensitive, oily, or blemish-prone skin, it is important to use products that remove impurities and excess sebum without drying the skin.
Prebiotics and postbiotics can also be used in microbiome care formulas.

GMT BEAUTY Anti-Acne Microbiome Day Cream contains Polymnia sonchifolia root juice, or Yacon, as well as Lactobacillus Ferment Lysate. Such ingredients are highly recommended for the daily care of oily, sensitive, and blemish-prone skin.

Less unnecessary irritation

When the skin is already irritated, a more complex routine does not always yield better results.
Simultaneous use of acids, retinoids, scrubs, and other intense active substances can create additional stress.

If a burning sensation appears, or the skin starts to flake significantly or react to almost every product, it is useful to simplify your skincare routine for a while.

First, restore skin comfort. Afterwards, more intensive products can be introduced gradually.

4 surprising scientific facts about skin sensitivity

Scientific studies and dermatological meta-analyses reveal several unexpected facts:

Cosmetics are the main trigger of irritation: Among all external factors, unsuitable cosmetics most significantly increase the risk of skin sensitivity.

Neurogenic inflammation - when the skin "feels pain": Due to a damaged barrier, irritants reach the unmyelinated C-fibers and TRPV1/TRPV4 receptors in the skin. This triggers a rapid release of neuropeptides (Substance P) and inflammatory substances, causing a real sensation of pain, stinging, or itching.

Studies analyzing more than 850,000 cases have proven that the properties of the skin's stratum corneum deteriorate most significantly during the transition from winter to spring.

Skin stability and the barrier are additionally affected by lifestyle factors, physiological factors, and dietary factors, which, combined with the change of season, create the highest level of reactivity.

Why does the skin become drier in autumn?

In autumn, the skin must adapt to significant environmental changes in a short time.
Summer UV radiation, heat, and swimming gradually dry out and damage the lipids of the protective barrier. As autumn arrives, air temperature and humidity drop sharply, and indoor heating is turned on.

Studies show that the level of the most important lipids (ceramides and linoleic acid) in the skin drops dramatically during the cold months. Therefore, autumn is often the first time you feel that previously used cosmetic products start to cause discomfort. This is a good time to evaluate your entire daily routine, starting from cleansing and ending with the texture of your cream.


Why does the skin become more sensitive in spring?

In spring, the situation is slightly different.

After winter, the skin has been exposed to cold, wind, and dry heated air for several months. Its protective barrier may have become more fragile, but with the first warm days, the surrounding environment changes rapidly - air temperature and sun intensity increase, and humidity levels and sebum production shift.

Therefore, a characteristic spring situation is when cheeks become sensitive and dry, while the T-zone simultaneously starts to look shinier.
Tolerance to active substances may also decrease.

A product with acids that caused no problems in the middle of winter might suddenly cause tingling or redness in the spring. At such a moment, it is necessary to adjust your skincare to the current situation of your skin.

Proper cleansing is the first step

Caring for seasonally sensitive skin does not start with a cream or serum, but with cleansing.
If your cleanser removes too many surface lipids every morning and evening, the products you use later will have to compensate for the dryness you have already created.

Therefore, a suitable cleanser should remove impurities, makeup, and excess sebum, but should not leave a distinct feeling of tightness after rinsing.

If burning, dryness, and significant flaking appear, additional acids or scrubs might not be what you need at that particular moment, although this remains an important step.

Choose gentle and natural GMT BEAUTY cleansers, which will effectively cleanse the skin without causing a feeling of dryness.

Well and properly cleansed skin is able to absorb active substances much more effectively.

How to maintain the skin's protective barrier daily? 5 golden rules

1. Consistency is the most important principle. Seasonally sensitive skin generally prefers a well-thought-out and regular routine over frequent product changes.
2. It is advisable to wash your face and body in lukewarm water, not very hot water.
3. After rinsing, the cleanser should not leave a distinct feeling of tightness.
4. A moisturizing product should be applied regularly, not just when the skin has already become very dry.
5. Active substances should be adapted to the skin's condition. If burning, dryness, and significant flaking appear, additional acids or scrubs might not be what you need at that moment.
And regardless of the season, sun protection has an essential place in your daytime skincare routine.

The body's protective barrier needs the same attention

Dryness during seasonal changes affects more than just the face.

Lower legs, arms, elbows, and the décolleté area often become rougher and drier in autumn and winter. The situation can be further exacerbated by hot showers and dry indoor air.

After washing with a gentle body care product, it is advisable to apply a moisturizer. GMT BEAUTY Moisturizing Body Milk with Collagen and Green Tea contains biological oil extracts, improves skin elasticity, activates natural moisturizing processes, deeply nourishes, improves the skin's protective defenses, and also has a plasticizing and rejuvenating effect. The combination of collagen, green tea, natural moisturizing factor (NMF), and urea slows down the skin's aging processes and maintains an optimal moisture level, preventing dehydration. The milk gives the skin smoothness and radiance.
GMT BEAUTY Vitamin-Enriched Body Cream improves the skin's protective defenses, intensely moisturizes, improves skin elasticity, and slows down aging processes. This is a particularly gentle and light nourishing cream rich in natural antioxidants and vitamins with an instantly rejuvenating effect on the skin.

On the other hand, a body scrub should not be used on already irritated skin just because it is flaking. First, it is necessary to restore comfort, and only then gradually reintroduce exfoliation. It is important to choose a scrub that not only gently cleanses the skin but also allows it to retain moisture, such as the GMT BEAUTY Body Scrub. Apply the scrub to dry skin, leave it on, and after about 5 minutes, exfoliate the skin with gentle massaging movements.

Your skin type does not have to change for its needs to change

One of the most important takeaways in seasonal skincare is very simple: your skin type is relatively stable, but the condition of your skin can change.
Combination skin can become dehydrated. Oily skin can become sensitive. Normal skin can become dry and reactive after winter. Mature skin may need more lipids in autumn than in summer.

Therefore, the best skincare is not the one with the most products; it is the skincare that meets the skin's needs at that particular moment.

When skin becomes seasonally sensitive, the first task is to restore its comfort. Gentle cleansing, sufficient hydration, suitable lipids, respecting the microbiome, and protection from the environment form the foundation upon which it is later possible to safely build more active skincare.

Frequently asked questions about the skin protective barrier and seasonally sensitive skin

What is the skin's protective barrier?

The skin's protective barrier is a defense system in the outermost part of the skin that helps retain moisture and reduces the impact of environmental irritants. Stratum corneum cells and intercellular lipids play a significant role in its function.

What is seasonally sensitive skin?

Seasonally sensitive skin is a state where usually balanced skin temporarily becomes drier, reddened, more sensitive, or more easily irritated under the influence of certain external or internal factors.
Yuragi Hada is a term used in Japanese beauty care for an unstable skin state where skin sensitivity changes depending on the season, climate, stress, hormones, cosmetics, and other factors.

How to know if the skin protective barrier is weakened?

It can be indicated by a feeling of tightness, dryness, flaking, roughness, redness, and sudden increased sensitivity to cosmetic products.

Can oily skin have a weakened protective barrier?

Yes. Oily skin can also be dehydrated and sensitive. The amount of sebum and the amount of water in the stratum corneum are not the same.

What ingredients are suitable for caring for the skin barrier?

Depending on the skin's condition, moisture-attracting substances such as glycerin and panthenol, emollients, plant oils and squalane, as well as structural lipids such as ceramides, fatty acids, and cholesterol are useful.

Can acids be used on seasonally sensitive skin?

It depends on the skin's current tolerance and the specific product. If the skin is significantly irritated, burning, or flaking, it is better to reduce intensive exfoliation and first focus on restoring comfort.

Should skincare be changed in autumn and spring?

It is not always necessary to completely change products. Often, it is enough to adjust the texture of the cream, the intensity of cleansing, the frequency of exfoliation, and the amount of moisturizing products according to how the skin feels in that particular season.

How many products are needed for seasonally sensitive skin?

There is no set number of products. For basic care, in many cases, a gentle cleanser, a moisturizing product, a suitable face cream, and SPF are sufficient. Additional active substances and masks should be chosen according to the skin's needs.