Anti-ageing treatments and skincare - what works? | Nordic Skin College

Few areas of skincare are surrounded by as many promises as anti-ageing. Creams that promise to “erase ten years”, serums with “revolutionary” ingredients and treatments marketed as miracles. It is understandable if you find it hard to tell the difference between what works and what is simply attractive packaging.

The good news is that the research actually provides fairly clear answers. A handful of ingredients and treatment methods have solid documentation behind them. The rest is, at best, pleasant skincare - at worst, a waste of money.

In this guide we cover what happens as the skin ages, which ingredients and professional treatments have documented effects, and what you can realistically expect.

What happens as the skin ages?

Skin ageing is driven by two processes: intrinsic ageing, which is genetically determined, and extrinsic ageing, which is primarily driven by sunlight and lifestyle. From the mid-twenties, the skin’s collagen production gradually declines, cell renewal slows down, and the skin slowly loses moisture, firmness and volume.

Intrinsic ageing

Intrinsic ageing cannot be stopped. Collagen and elastin production decreases with age, the fatty tissue beneath the skin becomes thinner, and the skin’s ability to retain moisture declines. The result is fine lines, loss of elasticity and thinner, more delicate skin.

Extrinsic ageing - photoageing

Here, by contrast, there is much to be gained. Researchers estimate that a large proportion of visible signs of ageing are caused by UV radiation, not age itself. The sun’s UVA rays break down collagen and elastin in the dermis and trigger pigmentation changes. Add to this smoking, pollution, lack of sleep and a high sugar intake, all of which accelerate the process.

This also means that the most effective anti-ageing measure is not an expensive cream - it is consistent sun protection.

Ingredients with documented effects

Only a few skincare ingredients have solid scientific documentation for counteracting skin ageing: sunscreen, retinoids, vitamin C and AHA acids are the most important. Most other ingredients are supportive, not transformative.

Sunscreen - the foundation

Broad-spectrum SPF 30+ every day is the best documented anti-ageing strategy of all. Studies have shown that daily use of sunscreen not only prevents new sun damage but also gives the skin the peace it needs to repair existing damage. Without sun protection, everything else in your routine is fighting an uphill battle.

Retinoids

Retinoic acid and its milder relatives, such as retinol, are the most thoroughly studied anti-ageing ingredients in skincare. Retinoids increase cell renewal, stimulate collagen production and smooth fine lines over months, not days. They require an adjustment period and patience, and they make the skin more sensitive to the sun. If you want to dig deeper into the evidence, you can read our review of skincare ingredients that actually work.

Vitamin C and antioxidants

Vitamin C is an antioxidant that protects the skin against free radicals from UV radiation and pollution, and it also plays a part in the skin’s collagen formation. A stable vitamin C serum in the morning, underneath your sunscreen, is a well-documented supplement. Niacinamide is another well-studied ingredient that strengthens the skin barrier and can soften pigmentation changes.

AHA acids

Glycolic acid and lactic acid exfoliate chemically, improve skin texture and, with regular use, can stimulate renewal in the skin’s outermost layers. They are found both in home care at low concentrations and as professional treatments at higher strengths.

Professional treatments that work

Professional anti-ageing treatments work deeper than home care, and what they have in common is that they stimulate the skin’s own renewal - especially collagen production. The best documented non-invasive methods are chemical peels, microneedling and LED light therapy, supplemented by manual techniques such as Japanese lifting.

Chemical peel

Controlled exfoliation with acids removes dead skin cells and kick-starts renewal. Superficial peels in a series improve texture and give the skin a glow, while medium peels can reduce fine lines and pigmentation changes.

Microneedling

Fine needles create microscopic, controlled injuries that trigger the skin’s healing response and increase the production of collagen and elastin. The method is among the better documented treatments for fine lines and uneven skin texture - read more in our review of microneedling and the research behind it.

LED light therapy

Red LED light at around 630 nanometres penetrates into the dermis and can, over a series of treatments, improve collagen density and reduce fine lines. The treatment is pain-free and has no downtime, but the effect is cumulative and requires a course of treatments.

Manual techniques and massage

Facial massage and lifting techniques such as Japanese lifting increase blood circulation, relax the facial muscles and can give a visibly fresher and more lifted appearance. The documentation is thinner than for retinoids and microneedling, but as a supplement, and as a break from everyday life, manual treatments have a legitimate place in an anti-ageing strategy.

When should you start, and who is it for?

The right time to start preventive skincare is before the signs of ageing dominate - typically in your twenties with sunscreen and antioxidants, and from your late twenties or thirties with retinoids. But the skin can be stimulated at any age, and it is never too late to benefit from a targeted effort.

If you are in your forties, fifties or beyond, the focus shifts from prevention to rebuilding: professional exfoliation, collagen-stimulating treatments and a nourishing home care routine that supports thinner, drier skin.

When should you seek professional advice?

Anti-ageing skincare is an area where individual guidance pays off, because the right combination depends on your skin type, your signs of ageing and your everyday life. Always see a doctor or dermatologist if you have pigmented spots that change shape or colour, wounds that do not heal, or skin changes you are unsure about. These must be clarified before you begin cosmetic treatments.

Also be honest with your therapist about medication, pregnancy and previous treatments. Retinoids are not recommended during pregnancy, and several professional treatments require the skin to be healthy and in balance.

Realistic expectations

No cream or non-invasive treatment can deliver results like surgery or injections, and anyone who promises otherwise is overselling. What you can realistically achieve is smoother, firmer and more even skin, softer lines and a fresh radiance that builds up over months.

Collagen stimulation takes time. The effect of retinoids typically shows after 8-12 weeks of consistent use, and professional treatment courses span several sessions, with the result continuing to develop in the weeks that follow. Consistency beats intensity, every time.

Get started in our student clinic

At Nordic Skin College you can experience professional anti-ageing treatments in our student clinic at Kongens Nytorv, where talented students perform treatments under close supervision from experienced teachers - at prices that make it realistic to follow a full course of treatments.

If you want to pamper mature skin, our Glow by Medex luxury anti-age treatment is an obvious place to start: 90 minutes targeted at mature, dry and demanding skin. And if you dream of working professionally with skincare and anti-ageing treatments yourself, you can read about our cosmetology and skin therapy programme.