Know your skin type - test and guide to the 5 skin types | Nordic Skin College

Have you ever bought a skincare product because it worked wonders for a friend, only to find it made your skin worse? Then you have felt why skin type matters. What soothes dry skin can clog oily skin. What balances oily skin can dry out sensitive skin.

Knowing your skin type is the first thing our students learn at Nordic Skin College, and it is also the first step for anyone who wants a skincare routine that actually works. Without that knowledge, you are fumbling in the dark among thousands of products.

The good news is that you can get remarkably far with a mirror, a little patience and the simple methods in this guide.

What is a skin type, exactly?

Your skin type describes how your skin fundamentally functions, primarily how much sebum (the skin’s natural oil) it produces and how well it retains moisture. Skin type is largely genetically determined and follows you through life, although it can shift with age, hormones and the seasons.

Professionally, we distinguish between five skin types: normal, dry, oily, combination and sensitive. The first four are about the balance of sebum and moisture. Sensitive skin is somewhat its own category, because it concerns the skin’s reactivity and can occur alongside the other types.

Important to know: your skin type is not the same as your skin condition. Dehydration, acne, redness and pigmentation are conditions that can affect any skin type and can often be treated. More on that distinction later.

The five skin types

Normal skin

Normal skin is in balance: neither too dry nor too oily, with small pores, even texture and a natural glow. It does not feel tight after cleansing and rarely becomes shiny during the day.

If you have normal skin, your most important task is to maintain that balance. A simple routine with a gentle cleanser, moisturiser and daily SPF is often enough. Many people with normal skin actually make the mistake of over-treating with active products their skin does not need at all.

Dry skin

Dry skin produces too little sebum. It feels tight, especially after cleansing, can look dull, and fine lines become more visible. In pronounced cases you see flaking, rough patches and a tendency to itch, particularly in winter.

Dry skin needs to be given lipids, not just moisture. Choose creamy, gentle cleansers without foam, and a rich moisturiser with ingredients such as ceramides, shea butter and hyaluronic acid. Avoid alcohol-based products and very hot water on the face.

Oily skin

Oily skin produces too much sebum. It becomes shiny during the day, especially in the T-zone, has visible pores and is more prone to blackheads and blemishes. On the other hand, oily skin has an advantage: it often ages more slowly, because the sebum protects against drying out.

The classic mistake is fighting oily skin with aggressive, drying products. It backfires: when the skin is stripped of oil, it compensates by producing even more. Instead, use a gentle cleansing gel, a light, gel-based moisturiser and possibly salicylic acid (BHA) a couple of times a week to keep the pores clear.

Combination skin

Combination skin is really two skin types in one face: oily in the T-zone (forehead, nose, chin) and normal to dry on the cheeks. It is probably the most widespread skin type, and it is also the one most people misjudge, because they only look at the T-zone and conclude “oily skin”.

The key is treating the zones differently. It may sound cumbersome, but in practice it often simply means: light moisturiser across the whole face, a little extra nourishing cream on the cheeks, and pore-clearing products only in the T-zone.

Sensitive skin

Sensitive skin reacts faster and more strongly than other skin: it flushes, stings, itches or turns red in response to triggers that other skin types tolerate without problems. That can be fragrance, alcohol in products, changes in the weather, friction or strong active ingredients.

Sensitive skin can be innate, but it can also be created, typically by a damaged skin barrier after too many active products, too frequent exfoliation or too aggressive cleansing. The strategy is the same: fewer products, gentle fragrance-free formulations, and a focus on barrier-strengthening ingredients such as ceramides and niacinamide. Always introduce new products one at a time.

How to test your skin type at home

The most reliable home test is the so-called “bare face” method. Cleanse your face with a gentle cleanser, pat dry, and leave the skin completely free of products for an hour. Then look in the mirror in good daylight:

• Tight and pulling across the whole face: dry skin
• Shiny across the whole face: oily skin
• Shiny in the T-zone, normal or tight on the cheeks: combination skin
• Comfortable and balanced everywhere: normal skin
• Redness, stinging or a sensation of heat: signs of sensitivity

A useful supplement is the blotting test: press a piece of thin tissue paper against different zones of the face in the middle of the day and see how much oil the paper absorbs, and from which areas.

Test over several days and across seasons if you can. Many people discover that their skin is drier in winter and oilier in summer, and that the routine needs adjusting accordingly.

Skin type or skin condition - the difference most people miss

The most frequent misjudgement we see in our student clinic is dehydrated skin mistaken for dry skin. Dry skin lacks oil. Dehydrated skin lacks water, and that can affect any skin type, including oily skin. In fact, “oily but dehydrated” is a classic: the skin feels tight and flakes while also being shiny, because it overproduces sebum to compensate for the lack of water.

Other common skin conditions are acne, rosacea, hyperpigmentation and enlarged pores. They can occur on top of any skin type, and each requires its own approach. If you want to dive into what individual ingredients can do for your condition, we have a guide to skincare ingredients that actually work.

The point is: your skin type tells you which base your routine should be built on. Your skin conditions tell you which active products and treatments should be layered on top.

When you should get a professional skin analysis

A home test is a good starting point, but it has its limits. Seek a professional assessment if you:

• Cannot tell whether your skin is dry or dehydrated
• Have tried many products without finding anything that works
• Experience sudden changes in your skin
• Have sensitive skin and are unsure what it can tolerate
• Want to start using active ingredients such as retinol or acids and want to begin correctly

At Nordic Skin College we offer a personal skin analysis and consultation at our student clinic at Kongens Nytorv. Here, a cosmetology student under supervision assesses your skin type and skin condition and gives you concrete recommendations for home care that you can build on. If there are signs of actual skin disease, for example persistent eczema, widespread rosacea or pigmented spots that are changing, we always refer you on to a doctor or dermatologist.

Realistic expectations

Knowing your skin type is not a miracle cure, but a compass. It helps you choose the right products from the start and avoid expensive mistakes. Expect it to take 4-6 weeks of a consistent routine before you can judge whether it is working, roughly one skin cell cycle. And remember that your skin type can shift over time, so it is healthy to retest once a year or at major changes such as pregnancy or menopause.

Once your base is in place, you can build on it with our guide to the daily skincare routine, where we go through order of application, product choices and typical mistakes step by step.

Get professional eyes on your skin

If you are in doubt about your skin type, or simply want a professionally grounded second opinion, book a personal skin analysis at our student clinic. It is a small investment that can save you months of products working against your skin instead of with it.

And if you are reading this guide and thinking that skin analysis is something you could see yourself working with professionally, take a look at our foundation programme in cosmetology and skin therapy. Determining skin types is one of the first skills our students master, and one of the most used throughout their careers.