Skin care consists of systematic practices carried out to maintain skin health and improve aesthetic appearance. Correct product selection, routines suitable for the skin type, and regular care support the renewal process of the epidermis and contribute to strengthening the skin barrier.

Moisture balance and skin cleansing form the foundation of care. Daily cleansing, toning, and moisturizing processes remove sebum, dirt, and dead cells. This process prevents pore blockage and reduces the formation of acne, blackheads, and irritation.

The use of products containing antioxidants and vitamins provides protection against environmental stress factors. Especially formulas containing vitamin C, vitamin E, and niacinamide reduce the effects of free radicals and provide brightness and elasticity to the skin. This helps delay the signs of aging.

When professional skin care applications are combined with medical support and dermocosmetic products, more lasting results are achieved. Methods such as chemical peeling, mesotherapy, and laser treatments renew the skin tissue and reduce tone differences. Regular care maintains a healthy and balanced skin appearance.

What You Need to Know Information
Definition Skin care is the combination of personal or professional practices aimed at cleansing, moisturizing, protecting, and renewing the skin. In addition to maintaining skin health, it also aims to improve aesthetic appearance.
Basic Principles Regular cleansing, removal of dead skin cells, maintaining moisture balance, protecting the skin barrier, and protection against sunlight are the basic principles.
Routine Applied at Home The skin is cleansed twice a day, morning and evening, with a suitable cleanser. Then toner, moisturizer, and sunscreen in the morning are applied. Supportive products such as serums or masks may be added according to the skin type.
Professional Applications Procedures such as medical skin care, chemical peeling, dermabrasion, and oxygen therapy are performed by specialists. These applications provide deeper cleansing, renewal, and revitalization of the skin.
Targeted Benefits Cleansing the pores, preventing the formation of blackheads and acne, maintaining the oil-moisture balance of the skin, evening out skin tone, and providing vitality and brightness.
Long-Term Importance Regular and proper skin care prevents premature aging of the skin, increases its resistance to external factors, and helps maintain a healthy and balanced skin appearance.
ankara dermatoloji doktoru seval karasatı
Specialist Dr. Seval Karasatı
Dr. Seval Karasatı is a dermatology (skin diseases) specialist in Ankara specializing in skin health, hair and nail diseases, aesthetic dermatology, and laser applications. With her scientifically based approach and aesthetic perspective, she offers personalized treatment plans for each of her patients. In the field of dermatology, Dr. Seval Karasatı specializes not only in common skin problems such as acne, rosacea, eczema, allergic skin diseases, and hair loss, but also in mole monitoring and the early diagnosis of skin cancers. She provides effective solutions to her patients with modern devices and up-to-date treatment methods. Serving as a dermatology specialist in Ankara, Dr. Seval Karasatı is also experienced in aesthetic dermatology procedures. She applies holistic treatments aimed at skin renewal and rejuvenation with procedures such as fillers, PRP, mesotherapy, gold needle, and laser treatments. Dr. Seval Karasatı conducts a comprehensive evaluation for each patient and shapes the treatment process according to personal needs. Her goal is not only to treat diseases but also to help achieve a healthy, vibrant, and aesthetically balanced skin appearance.
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What Is Skin Care?

Skin care is the set of routine practices performed to protect skin health, keep it clean, and delay the signs of aging. Cleansing, moisturizing, sun protection, and the regular use of products suitable for the skin type are fundamental steps for maintaining a healthy and balanced skin structure. Skin care can be supported both with daily applications at home and with professional clinical procedures.

What does a dermatology specialist (dermatologist) do?

The expertise of a dermatologist is based on years of intensive specialization training following a 6-year medical education. This process makes the doctor an absolute authority on skin health. This expertise generally covers three main areas.

  • Medical Dermatology (Disease treatment)
  • Surgical Dermatology (Cancer and mole removal)
  • Cosmetic Dermatology (Aesthetic procedures)

Medical dermatology includes the diagnosis and drug treatment of skin diseases such as acne (pimples), eczema, psoriasis, rosacea, and allergies. Surgical dermatology includes procedures such as screening for skin cancers (melanoma, etc.), removal (excision) of suspicious moles and cysts, or taking biopsies. Yes, a dermatologist is also a skin surgeon.

Cosmetic dermatology includes aesthetic procedures such as fillers, Botox, lasers, and chemical peels. The most important point is this: a dermatologist performs these aesthetic procedures on the basis of deep medical competence. When an expert who knows how to treat skin cancer performs an aesthetic procedure, it provides the highest safety margin for the patient. Because this expert can immediately recognize and manage a possible complication (allergy, vascular occlusion, etc.).

According to what and which clinical protocols are treatments determined?

Treatment choices are based entirely on scientific data, not on “trends” or personal preferences. This “evidence-based medicine” approach follows the guidelines determined by international health authorities (such as the American Academy of Dermatology – AAD).

  • Methods tested on thousands of patients
  • Scientifically proven effectiveness
  • Safety-approved protocols
  • International guidelines

This approach guarantees that the patient receives both safe and effective treatment. Whether it is psoriasis treatment or wrinkle treatment, the protocols used are based on scientific research.

What is the ‘skin barrier’ that forms the foundation of healthy skin?

Before all advanced lasers or injections, there is a fundamental structure that must be focused on: the skin barrier. We can liken this structure to a solid brick wall.

  • Cells (Bricks)
  • Lipids/Fats (Mortar)
  • Preventing water loss (Insulation)
  • Blocking external factors (Protection)

If skin cells (corneocytes) are the bricks, the cement (mortar) that holds them together and strengthens the wall is the skin’s own natural oils (lipids). If this wall is strong, it retains the valuable moisture (water) inside and prevents external harmful elements (bacteria, allergens, pollution) from entering.

If this “mortar” weakens (due to incorrect product use, environmental factors, etc.), the wall cracks. Water evaporates rapidly and the skin becomes vulnerable. The result is dryness, sensitivity, redness, itching, and excessive reaction to external factors. No matter what treatment you apply to skin with a damaged skin barrier, the result will either be insufficient or cause serious irritation.

How should the correct cleanser and moisturizer be to protect the skin barrier?

The first step in maintaining a strong skin barrier is properly establishing a daily cleansing and moisturizing routine.

  • Low pH (4-5)
  • Gentle cleansers (Soap-free syndet)
  • Moisturizers containing glycerin
  • Moisturizers containing urea

Traditional alkaline (high pH) bar soaps disrupt the skin’s natural protective “acid mantle” and strip away valuable oils from the barrier. Protocols recommend gentle “soap-free” cleansers suitable for the skin’s natural pH (slightly acidic, pH 4–5).

An effective moisturizer not only softens the skin temporarily but also helps “repair” the barrier. Humectant agents such as glycerin or urea attract water from both the environment and the deeper layers of the skin, increasing the barrier’s moisture capacity.

Is the condition of my skin evaluated only according to ‘appearance’?

A professional dermatological evaluation goes far beyond subjective comments such as “your skin looks dry.” The treatment plan should be based on objective (measurable) data showing the current condition of your skin.

  • TEWL (Transepidermal Water Loss) measurement
  • Sebum (Oil) level measurement
  • Skin pH measurement

The most critical measurement here is TEWL (Transepidermal Water Loss). This device measures how much water evaporates and escapes from that strong “wall” of your skin. A high TEWL value is an alarm; it means “the barrier is damaged, water loss is too high.”

This measurement is vital. Because if you directly apply a strong retinoid, laser, or chemical peel to skin with a high TEWL value (that is, a barrier already damaged), the result can be disastrous. The skin cannot tolerate it and reacts excessively (burning, redness, peeling). The protocol always aims first to normalize the TEWL value, in other words, to “repair the wall.”

Which imaging technologies are used in skin analysis?

Special imaging tools are used to examine the skin surface and lesions in more detail. These technologies are critical both for diagnosis and for monitoring the progress of treatment.

  • Dermoscope (Mole analysis)
  • Total Body Mapping (TBP)
  • Digital Melanogram (Follow-up record)

The dermoscope is a lighted handheld microscope used by dermatologists that shows beneath the surface of the skin. It is the “gold standard,” especially for examining moles (nevi) and other lesions. It makes it possible to determine whether a mole is benign or has a suspicious (cancer risk) structure.

Total Body Mapping (TBP) is used especially in patients with many moles or a high risk of skin cancer. High-resolution photographs of the entire body (approximately 25–30 different angles) are taken and a digital map is created. This map (digital melanogram) allows even the smallest change (a new mole or growth/color change in an existing mole) to be detected immediately at the next check-up.

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What is the difference between a ‘medical’ product and a ‘cosmetic’ product?

A cream you buy from a supermarket shelf is not the same as a product prescribed by a dermatologist or applied in a clinic. The fundamental difference lies in the strength, concentration, and stability of the ingredients.

  • Cosmetic (OTC): Low concentration
  • Medical (Prescription): High, proven concentration
  • Cosmetic: May have stability (degradation) problems
  • Medical: Stable (non-degrading) formulations

Cosmetic (OTC – Over-the-Counter) products usually contain active ingredients at lower concentrations so that everyone can use them safely. Medical or prescription products contain active ingredients at much higher concentrations proven to be effective in scientific studies. This high concentration creates much more noticeable clinical results but also requires medical supervision due to the potential risk of irritation.

Why are retinoids (vitamin A) considered the ‘gold standard’ in dermatology?

Vitamin A derivatives (retinoids) have been considered the “gold standard” for decades in both acne treatment and anti-aging protocols. However, not every member of the “retinoid” family has equal strength.

  • Tretinoin (Retinoic Acid) – Prescription
  • Retinol – Cosmetic
  • Retinaldehyde – Cosmetic

The difference is this: Tretinoin (Retinoic Acid) is already the “active” form of vitamin A. The skin uses it directly. Retinol sold in cosmetic stores is a “precursor” form. Your skin must first convert retinol into retinaldehyde and then into the active retinoic acid. A great deal of effectiveness is lost during this conversion process.

For this reason, prescription tretinoin is hundreds of times stronger than the most popular cosmetic retinol forms. It has proven effects on fine wrinkles, spots, and skin texture. Because it is powerful, it must be used under medical supervision and the skin should be gradually accustomed to it.

How are skin spots (hyperpigmentation) treated?

In the treatment of brown spots remaining after acne (PIH) or melasma (pregnancy mask) caused by the sun and hormonal changes, multiple strategies that block melanin (the pigment that gives skin its color) production at different stages are generally used.

Triple Combination Cream (Hydroquinone + Retinoid + Steroid)

  • Azelaic Acid
  • Arbutin
  • Tranexamic Acid

One of the most effective treatments in clinical protocols is known as the “triple combination cream.” This prescription formula usually contains 4% hydroquinone (HQ), which strongly suppresses pigment production, a retinoid (tretinoin) that accelerates cell renewal, and a low-dose topical steroid to calm irritation caused by these strong agents.

In cases where hydroquinone cannot be used, other medical agents with both lightening and anti-inflammatory properties such as azelaic acid, arbutin, or tranexamic acid are preferred.

What do antioxidants do for my skin?

Every day your skin is under attack from what is called “oxidative stress” due to sunlight, air pollution, cigarette smoke, and even stress. This attack produces molecules called “free radicals” that damage the skin’s collagen, elastin, and cellular DNA. You can think of this process as the “rusting” of metal.

  • L-ascorbic acid (Vitamin C)
  • Vitamin E
  • Coenzyme Q10
  • Alpha Lipoic Acid

Antioxidants are protective shields that stop this “rusting.” By neutralizing free radicals, they allow the skin to repair itself. In particular, L-ascorbic acid (Vitamin C) is both a very powerful antioxidant and also has a spot-lightening effect by suppressing melanin production (the tyrosinase enzyme). The challenge here is that vitamin C is a very “unstable” molecule (it degrades when exposed to air); medical formulations aim to deliver vitamin C to the skin without degradation.

Why is sun protection the foundation of all treatments?

This is the only non-negotiable subject in dermatology. Laser treatment, chemical peeling, spot treatment, or acne treatment… whichever protocol you apply, if you are not protecting yourself from the sun, you are wasting your money and time.

  • Use every day (even in winter or cloudy weather)
  • SPF 30 or higher
  • Broad Spectrum (UVA + UVB protection)
  • Water resistant

This is the standard of the American Academy of Dermatology (AAD). UVA rays “age” the skin (Aging), and UVB rays “burn” the skin (Burning). You must be protected from both. It has been scientifically proven that simply using sunscreen regularly even lightens the color of existing pigment spots. This is not cosmetic but a medical necessity.

What is chemical peeling and what does it do?

Chemical peeling is a procedure in which special acid solutions (usually glycolic acid, salicylic acid, TCA, etc.) are applied to create controlled “damage” to the skin and trigger the skin’s renewal process.

  • Superficial Peeling
  • Medium Depth Peeling
  • Deep Peeling
  • Salicylic Acid (For acne and pores)
  • Glycolic Acid (For renewal and spots)

The aim is to peel the damaged, stained, and rough upper layers of the skin and allow a fresher, smoother, healthier, and more evenly toned new skin to emerge from underneath. In particular, oil-soluble salicylic acid penetrates the pores and is very effective in acne treatment.

How does laser skin rejuvenation work?

Lasers are powerful medical devices that use light energy at specific wavelengths to renew the skin, tighten it, and treat scars. They are basically divided into two groups:

  • Ablative (Peeling) Lasers (CO2, Erbium YAG)
  • Non-Ablative (Non-Peeling) Lasers
  • Fractional Lasers

Ablative (Peeling) Lasers completely “vaporize” the upper layer of the skin (epidermis) and strongly heat the lower skin (dermis), triggering collagen production. The results are excellent, but recovery times are very long (weeks of redness and wounds) and the risks are higher.

Non-Ablative (Non-Peeling) Lasers focus energy directly beneath the skin (dermis) without damaging the surface of the skin and only stimulate collagen production. The results are more moderate, but there is no recovery time (“lunchtime procedure”).

Fractional Lasers are the most popular approach today. These lasers treat the skin not entirely but in thousands of microscopic columns (pixel by pixel). Healthy skin tissue is left between them. These healthy tissues greatly accelerate healing. Thus, results as strong as ablative lasers can be achieved with much lower risk and much shorter recovery time.

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How does microneedling stimulate collagen?

Microneedling (Dermapen, etc.) is a procedure that triggers the body’s own self-repair mechanism by opening thousands of controlled tiny “micro-channels” in the skin.

  • Release of growth factors
  • New collagen production (Neocollagenesis)
  • Elastin production
  • Scar treatment

The body perceives these thousands of tiny needle holes as an “injury.” It immediately sends an “emergency” signal and releases growth factors to repair the area. These factors trigger the production of new, fresh, and healthy collagen and elastin. This is an effective method especially used to reorganize damaged collagen structures beneath the skin (scars, acne scars) and tighten the skin.

Why is the ‘Golden Needle’ (Radiofrequency Microneedling) stronger?

The “Golden Needle” (RF-MN) combines two powerful treatments in a single device:

  • Microneedling and Radiofrequency.
  • The physical stimulation of microneedling
  • The thermal (heat) effect of radiofrequency

In standard microneedling, the needles only physically puncture the skin. In the golden needle, however, while the tips of the needles are deep within the skin (without damaging the surface), they simultaneously deliver radiofrequency (RF) energy. This creates controlled thermal damage in the deeper layers of the skin (dermis).

This dual effect (both physical “puncture” damage and deep “heat” damage) triggers collagen production much more strongly than standard microneedling. It is one of the most effective methods for skin tightening and the treatment of deep acne scars.

How does non-surgical face lifting (HIFU and RF) work?

There are generally two main technologies that use heat energy to tighten the skin and create a “lifting” effect without surgical intervention:

  • Tightening with Radiofrequency (RF)
  • HIFU (High-Intensity Focused Ultrasound)

Radiofrequency (RF) devices heat the deep layers of the skin collectively like an “iron,” instantly tightening collagen fibers and triggering new collagen production. It is generally preferred for superficial tightening and improving skin quality (texture improvement).

HIFU, on the other hand, is a different technology that targets much deeper layers. It focuses sound waves on the “SMAS” layer (the fascia layer that carries the skin), which is also targeted in surgical facelifts. Without damaging the surface of the skin, it creates point-based “thermal coagulation” (burn) areas in that deep layer. As these point burns heal, they “shrink,” “tighten,” and “pull upward” (lifting) the tissue. Which one is chosen depends on the depth and location of the sagging.

How do neuromodulators (Botox) work?

Botox (Botulinum Toxin) does not work by “freezing” the muscles. Its purpose is to soften the movement of facial expression muscles.

  • Dynamic wrinkles (Expression lines)
  • Glabella (between the eyebrows)
  • Forehead lines
  • Crow’s feet (around the eyes)
  • Masseter (Jaw clenching / Face slimming)

Botox temporarily blocks the chemical signal transmission between the nerve and the muscle. When the muscle cannot receive this signal, it cannot contract; and when it cannot contract, it cannot wrinkle the skin above it. In modern dermatology, the aim is not to create an “expressionless, frozen” face but to provide “neuromodulation” with lower doses, resulting in a softer, more rested, and natural expression.

What is the role of dermal fillers?

While Botox targets facial expression muscles, fillers restore lost volume. As we age, the fat pads in our face melt, our bone structure recedes, and our skin becomes thinner. This causes depressions, grooves, and sagging.

  • Hyaluronic Acid (HA) Fillers
  • Collagen-Stimulating Fillers (PLLA, CaHA)

Hyaluronic Acid (HA) Fillers are the most commonly used fillers. HA is a molecule already present in our body that can hold 1000 times its own weight in water. When injected, it instantly adds volume to collapsed areas and fills grooves (such as nasolabial lines, corners of the mouth).

Collagen-Stimulating Fillers (containing Poly-L-lactic acid or Calcium Hydroxyapatite) work differently. When injected, they not only provide immediate volume but also signal the body to produce its own collagen in that area. In other words, they are not a “passive” filler but an “active” stimulator. Even if the filler material dissolves over time, the new and fresh collagen produced by the body remains. Therefore, their effects last much longer than HA fillers (2 years or more).

Why is physician experience critical in injectable procedures (fillers, Botox)?

Although these procedures appear simple and common, they are actually medical procedures that carry the highest risks. Safety depends entirely on the facial anatomy knowledge of the person performing the procedure.

  • Knowledge of facial anatomy (location of vessels and nerves)
  • Risk of vascular occlusion (vessel blockage)
  • Risk of necrosis (tissue loss)
  • Complication management (dissolving injection – Hyaluronidase)

The face has a complex network of vessels and nerves. If a filler injection is accidentally (or without anatomical knowledge) made into an artery, it stops the blood flow to the area supplied by that vessel. This condition is called “vascular occlusion,” and its consequences include tissue loss (necrosis), permanent scars, and even blindness.

A dermatology specialist learns this anatomy for years during medical education and specialization training. More importantly, they know not only how to perform the procedure but also how to manage a possible complication immediately (within the first minutes), for example how and where to inject the enzyme “hyaluronidase,” which instantly dissolves filler. This is the only guarantee for patient safety.

Why are different protocols required for darker (olive) skin?

Darker skin (Fitzpatrick Skin Types IV, V, and VI) biologically reacts differently compared to lighter skin. Treatments must be adjusted accordingly.

  • High melanin (pigment) content
  • Very high risk of discoloration (PIH)
  • High risk of burns

Darker skin naturally produces more melanin (pigment). While this makes it more resistant to the sun, it also makes it extremely sensitive to any “damage” (acne, burn, scratch, laser). Darker skin tends to heal with PIH (Post-Inflammatory Hyperpigmentation), meaning leaving a spot even after the smallest irritation.

Most laser devices target “color” (pigment) to find their target. If an incorrect laser (or incorrect dose) is applied to darker skin, the laser may see the skin’s natural pigment as the “target,” which can lead to serious burns, permanent white spots (hypopigmentation), or even darker spots (hyperpigmentation).

Which lasers are safe for darker skin and how should the protocol be?

Not every laser device can be used on darker skin. Protocols require the use of special technologies that can focus energy deeper without “seeing” the melanin on the skin surface.

  • Nd:YAG Lasers
  • Diode Lasers
  • Low energy settings
  • Strong cooling systems
  • Mandatory “Test Shot”

Nd:YAG lasers (1064 nm wavelength) are technologies that can deliver energy deeper by bypassing the surface of the skin with energy that is more “blind” to melanin. This makes them the safest option for darker skin (for laser hair removal, pigmentation, or tightening).

The protocol is always more conservative: lower doses are used to avoid irritating the skin, strong cooling systems are applied to protect the skin surface, and before starting the treatment a “test shot” is always performed in a small, invisible area to measure the skin’s reaction. Pigmentation treatment in darker skin follows the same logic: never irritate the skin (irritation = more spots), start with low doses and gradually adapt the skin, and of course apply the strictest sun protection rules.

Frequently Asked Questions

Regular skin care prevents pore blockage, supports skin renewal, and delays the signs of early aging. It also provides a healthier appearance by removing oil, dirt, and dead cells from the skin.

Professional skin care provides deeper cleansing using products and devices specific to the skin type. Since it is performed by specialists, the skin’s needs are analyzed correctly and effective results are obtained.

Although it varies depending on skin type and age, professional skin care is generally recommended every 4 to 6 weeks. This period may be shorter for oily or acne-prone skin, while longer intervals may be suitable for dry skin.

It usually consists of steps such as skin analysis, deep cleansing, peeling, steam application, blackhead extraction, mask, and moisturizing. Each stage aims to renew the skin and maintain its balance.

For sensitive skin, products containing alcohol, perfume, or acids should be avoided, and soothing and moisturizing ingredients should be preferred. Gentle procedures performed under expert supervision minimize the risk of irritation.

After care, the skin may become sensitive to sunlight, so using sunscreen is important. In addition, since the pores are open, makeup and heavy products should be avoided for a few days.

Regular care reduces acne and blackhead formation by cleansing the pores. With peeling and steam applications, sebum balance is maintained, the skin is cleansed, and the formation of new spots is prevented.

Yes, regular care preserves the skin’s elasticity, supports collagen production, and softens the appearance of fine lines. With anti-aging masks and serums, the skin gains a younger appearance.

Skin care during pregnancy is generally safe, but chemical peels and high-concentration acidic products should be avoided. The specialist creates a care plan using safe ingredients specific to the expectant mother.

Ultrasound, vacuum, or LED light technologies affect the deeper layers of the skin and increase collagen production. Thanks to these devices, skin renewal accelerates, spots decrease, and the skin gains a firmer appearance.