Oily skin is often mistakenly treated as skin that needs to be constantly “degreased”. Because of increased shine, an oily T-zone, make-up that does not stay in place as well and a tendency towards clogged pores, many people reach for strong cleansing gels, alcohol-based toners and frequent exfoliation. This approach may provide a short-term feeling of cleanliness, but in the long term it often has the opposite effect: the skin becomes tight, irritated, dehydrated and even more difficult to manage.
Sebum is not the skin’s enemy. It is a natural oil produced by the sebaceous glands that helps preserve the skin’s protective layer. A problem develops when too much sebum is produced or when increased sebum production is combined with dead skin cells, unsuitable skincare, hormonal fluctuations and a tendency towards clogged pores.
The aim of caring for oily skin is not to remove all oil from the face, but to establish balance. The skin should be clean, but not dried out. It should be hydrated, but not overloaded with heavy textures. This balance is often what makes the difference between skin that is constantly shiny and skin that looks fresher, more stable and more even.
Oily skin may have enlarged pores, but excess sebum is not the only reason for uneven skin texture.
What is oily skin?
Oily skin is a skin type in which the sebaceous glands produce more sebum than the skin needs for comfortable sensation and normal protection. It is most commonly recognised by shine that returns a few hours after cleansing, particularly on the forehead, nose and chin. This area is known as the T-zone and naturally contains more sebaceous glands than some other parts of the face.
Oily skin is not a sign of poor hygiene. A person may cleanse their face regularly and correctly while the skin still becomes oily quickly. The reason lies in sebaceous gland activity, genetics, hormones and the skin’s individual response to skincare, stress, climate and other factors.
It is important to distinguish oily skin from skin that is only temporarily shiny because of unsuitable products. For example, an overly rich cream may leave an oily film even on skin that is not particularly oily. On the other hand, a person with oily skin may feel tightness after washing if the cleanser is too aggressive. Oily skin should therefore not be assessed only by its shine, but also by how it behaves throughout the day and how it responds to different products.
Why does the skin produce too much sebum?
Excess sebum usually does not have a single cause. In most people, it results from a combination of genetic predisposition, hormonal influences, skincare habits and the condition of the skin barrier. This is why oily skin cannot be managed with one “mattifying” product, but requires a consistent routine that respects the skin’s needs.
Genetics and skin type
Some people naturally have more active sebaceous glands. If the parents had oily or combination skin, the child is more likely to have a similar skin type. This does not mean the condition cannot be improved, but it does mean oily skin cannot be changed overnight or completely “retrained”.
Genetics determine the skin’s underlying tendency, but skincare influences how strongly that tendency is expressed or calmed. Oily skin treated too aggressively often becomes unstable. Oily skin cared for gently but with targeted products can look considerably more even and less affected by shine.
Hormonal influences
Hormones play an important role in sebum production. This is why oilier skin commonly appears during puberty, although it may continue into adulthood. In some people, shine and blemishes become more pronounced before menstruation, during stressful periods or at times of hormonal change.
Hormonal changes in the skin can affect sebum production, sensitivity and the tendency to develop blemishes.
It is important to emphasise that excess sebum does not automatically indicate a hormonal disorder. However, if oily skin changes suddenly, or if significant inflammation, painful acne or other symptoms appear, seeking a professional assessment is sensible.
Unsuitable skincare and overly aggressive cleansing
One of the most common mistakes with oily skin is trying to remove shine through constant washing. A person washes their face in the morning, cleanses it again during the day, uses a strong gel in the evening and occasionally adds an exfoliant. The skin may briefly feel “clean”, but it soon becomes tight and the shine returns.
Oily skin and dehydration often occur together when the face is constantly mattified and dried out.
When the surface of the skin becomes too dry, the barrier becomes more sensitive. The skin may then be shiny and uncomfortably tight at the same time. This is one of the most common signs that the routine is not regulating sebum, but is further disrupting the skin’s balance.
How can you recognise oily skin?
Oily skin is usually recognised by shine that returns quickly after cleansing, but this is not the only sign. In some people, the face is already shiny in the morning, while in others oiliness increases throughout the day, particularly in the T-zone. Make-up may separate more quickly, foundation may settle into the pores, and after a few hours the face may look heavy or “greasy”, even though it looked fresh in the morning.
The most common signs of oily skin include:
- pronounced shine a few hours after cleansing
- an oily T-zone, particularly the forehead, nose and chin
- make-up that separates quickly or slips on the skin
- more visible pores on the nose and cheeks
- a heavy feeling after using rich creams
- a tendency towards blackheads and clogged pores
- the need to mattify the skin during the day
Oily skin is not always prone to acne. One person may have pronounced shine and visible pores without inflammatory lesions. Another may have oily skin, clogged pores and acne, which requires a different skincare approach.
Adult acne may be associated with excess sebum, but oily skin alone does not mean that a person will develop acne.
The most common mistakes in oily skin care
Oily skin often creates impatience. When the face becomes shiny only a few hours after cleansing, it is natural to want a product that will remove the oil immediately. The problem is that quick solutions often make the condition worse in the long term.
The most common mistake is washing the face too frequently. If the skin is washed several times a day with a strong cleanser, not only excess sebum but also part of the skin’s natural protection is removed. The skin may then sting, feel tight or flake, but the shine still returns because the sebaceous glands have not stopped working.
Another mistake is skipping moisturiser. Many people think oily skin does not need a cream because it is already shiny. However, oil and hydration are not the same. The skin may have excess sebum and still lack water in its surface layers. When hydration is neglected, the texture may become rougher and tightness may become more pronounced.
The most common facial skincare mistakes often result from trying to solve the problem as quickly as possible, but oily skin does not tolerate an aggressive approach in the long term.
Frequently changing products is another common mistake. If a new routine is introduced every two weeks, it is difficult to know what is helping the skin and what is irritating it. Oily skin needs consistency, particularly when active ingredients such as acids or retinoids are introduced.
In practice, the following mistakes are repeated most often:
- using aggressive cleansing gels and soaps
- washing the face too often during the day
- skipping moisturiser
- using overly rich creams that clog the pores
- exfoliating too frequently
- introducing several active ingredients at the same time
- avoiding SPF because of concerns about shine
Oily skin does not need a routine that punishes it. It needs a routine that removes excess sebum while keeping the skin calm, hydrated and resilient.
How should oily skin be cared for properly?
Oily skin care should be simple, consistent and focused on balance. The main aims are to remove excess sebum and impurities, reduce the tendency towards clogged pores, maintain hydration and protect the skin barrier. If a routine addresses only one of these needs, the result is unlikely to remain stable.
Gentle but effective cleansing
A cleanser for oily skin should remove sebum, SPF, make-up and impurities without leaving the skin feeling tight. After cleansing, the skin should feel fresh, but not “squeaky clean”. That squeaky sensation often means the cleanser is too strong.
For some people, a gentle gel or foam is sufficient in the morning, while cleansing should be more thorough in the evening because of SPF and impurities accumulated during the day. If make-up or water-resistant SPF is used, double cleansing may be useful, but only with gentle products.
Lightweight hydration
Oily skin usually responds best to lightweight textures such as gel-creams, fluids, emulsions and non-comedogenic formulas. These products can provide hydration without a heavy feeling. A good moisturiser should not leave an oily film, but should reduce tightness and support the skin barrier.
If the skin becomes oily while also stinging or feeling tight, hydration is particularly important. The aim is not to add a rich, heavy cream, but to choose a light formula that restores comfort.
Active ingredients for regulating sebum
Active ingredients can be useful, but only when introduced gradually. Niacinamide may help regulate sebum and support a more even-looking complexion. Salicylic acid is often used for skin prone to clogged pores because it is oil-soluble and can act within the pores. Retinoids may help with skin renewal, texture and blemishes, but they require patience and careful introduction.
Problems arise when everything is introduced at once. For example, a person may begin using salicylic acid, a retinoid, an exfoliating mask and a mattifying toner during the same week. If stinging and flaking develop, it becomes difficult to identify which product is causing the problem. It is better to introduce one active ingredient at a time, monitor the skin’s response and allow it time to adjust.
SPF that does not feel heavy on the skin
People with oily skin often avoid sun protection because they are concerned about additional shine. However, SPF is an important part of the routine, particularly when acids, retinoids or professional treatments are used. Without sun protection, the skin is more prone to irritation, uneven tone and post-inflammatory changes.
Lightweight, fluid textures or SPF products with a mattifying effect are usually better choices for oily skin. It may be necessary to try several formulas before finding one that does not feel heavy on the face. This is normal, because an SPF must suit both the skin and everyday habits.
What should you avoid if you have oily skin?
With oily skin, it is often useful to think not only about what to add to the routine, but also what to stop doing. Sometimes the skin improves only after overly aggressive steps that irritate it every day are removed.
You should not try to remove all oil from the face completely. Sebum has an important function and the skin needs it. The face should not be washed five times a day, because this does not address the cause of excess sebum. Exfoliation should not be used every day, even when the skin feels rough or is prone to blackheads.
Particular care is needed when combining active ingredients. If acids, retinoids or blemish treatments are used, the skin needs time to adapt. More products do not necessarily produce a better result.
A damaged skin barrier can also develop in oily skin when aggressive cleansers, acids and exfoliating products are used too frequently.
If the skin begins to sting when almost any product is applied, if it flakes and shines at the same time, or if uncomfortable tightness develops after every cleanse, the routine is probably too intensive. In this situation, temporarily simplifying the routine is often more helpful than adding another active product.
When does oily skin need professional assessment?
Oily skin does not always require professional assessment. If the skin is stable, has no inflammatory lesions and responds well to a simple routine, it can be managed successfully at home. However, an assessment is worthwhile when shine, clogged pores, irritation or blemishes keep returning despite skincare.
Professional assessment is also useful when a person cannot find the right balance. One product makes the face oilier, another dries it out, a third causes stinging and a fourth produces no result. In these situations, the problem is often not one product, but a poorly structured routine or the fact that the skin has several needs at the same time.
At Esthea Polyclinic, assessment of oily skin may include analysis of the skin’s condition, its tendency towards clogged pores, sensitivity and any inflammatory changes. Based on this, appropriate home care and professional treatments may be recommended to help regulate sebum without unnecessarily drying out the skin. This approach is particularly important for skin that is oily but also dehydrated, reactive or prone to blemishes.
Professional treatments can provide useful support, but they should not replace a basic skincare routine. If aggressive cleansing and skipped hydration continue after a treatment, the skin often returns to the same problem. The best result usually comes from combining appropriate home care with carefully selected treatments.
Oily skin needs balance, not aggressive drying
Oily skin is not a problem that should be “punished” with strong cleansers, constant mattifying and skipped hydration. It is a skin type that requires careful balance: sufficiently effective cleansing, lightweight hydration, sensible introduction of active ingredients and regular sun protection.
Excess sebum can be controlled, but the aim is not to remove the skin’s natural oils completely. When the skin is dried out too much, it often becomes unstable, tight and more prone to irritation. When it is treated with overly heavy products, the pores may clog more easily and the shine may become more pronounced. Balance is therefore more important than aggressiveness.
If shine, clogged pores, blemishes or tightness keep returning, professional assessment is recommended. Correctly identifying the needs of oily skin makes it possible to build a routine that reduces unwanted shine while preserving the skin barrier and helping the skin become more stable, clearer and more comfortable over time.