How skin cell renewal works (and why results take time)
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"I've been using this cream for two days now and I still don't see anything."
I get it. You start a new skincare product and secretly hope you'll wake up the next morning with completely different skin. But your skin doesn't work that way.
Your skin has its own biological rhythm. It renews itself continuously, and that process takes time. New skin cells form deeper in the skin and slowly move toward the surface. Only there do they become part of the skin you see in the mirror. And the older you get, the slower this process often runs.
That's exactly why skincare needs time. You're not just caring for the skin you see today, but also the skin that becomes visible later.
That's why we have trial sets. They're enough for 3-4 weeks. This gives your skin enough time to get acquainted with a routine, so you can really start to see results.
What is skin cell renewal?
Cell renewal is the natural process where your skin produces new skin cells and sheds old ones.
New skin cells form in the lower layers of the epidermis. From there, they slowly move upward. Along the way, they change and mature. Once at the skin's surface, they become part of your protective skin barrier, and eventually the old cells shed.
And then the whole story starts over. This is what we call skin renewal or cell renewal. Your skin does this entirely on its own. Good skincare doesn't need to take over this system, but supports the process that's already naturally there.
How long does skin renewal take?
You often hear that your skin renews itself every 28 days. That's a handy guideline, but it's not a fixed fact for everyone.
Age, for example, plays an important role. As you get older, cell renewal generally slows down. Factors such as sun, sleep, stress, and the condition of your skin can also have an influence.
Around age 25
Around this age, it's often assumed to be about 28 days. The skin renews relatively quickly, and recovery, elasticity, and that fresh glow sometimes seem to come almost naturally.
Around age 30
Skin renewal can slow down a bit and move toward around 30 to 35 days. As a result, you may gradually start noticing a difference in, for example, hydration and radiance. A consistent routine becomes increasingly important now.
Around age 35
Towards your mid-30s, skin renewal can take about 35 to 40 days. Dead skin cells can stay on the surface a bit longer, which can make your skin look duller. Fine lines may also become more noticeable.
Around age 40
Around age 40, the renewal process can take about 40 to 50 days. At the same time, the production of, among other things, collagen changes, which means your skin's needs can shift.
That doesn't mean you suddenly need a bathroom cabinet full of 'anti-aging' products. A calm routine that nourishes and protects your skin is exactly what's valuable.
From age 45
From around age 45, skin renewal can take 45 to 60 days or longer. The skin can become drier, and the skin barrier can become more vulnerable.
As far as we're concerned, this is where consistency matters more than intensity. You don't need to keep pushing your skin harder. Give it good support instead.
βAs far as we're concerned, this is where consistency matters more than intensityβ
Why skincare doesn't work within two days
A cream or serum can immediately make your skin feel softer or more comfortable. But changes in, for example, skin texture, radiance, or pigment usually need more time.
That's because skin cells first need to make their natural journey toward the skin's surface.
You might notice a difference in, for example:
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hydration
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a fresher radiance
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a more even complexion
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a softer skin texture
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fewer visible dry lines
But do give your skin the time for that. Switching products every few days usually isn't a good plan. In the end, you won't know what your skin is reacting to, and a product barely gets the chance to do anything.
How does the skin renewal cycle work?
To keep it simple, you can picture a skin cycle of about 28 days roughly like this.
Day 1 to 7: new skin cells form
New skin cells are formed in the lower layer of the epidermis.
Day 8 to 14: the cells move upward
The new cells slowly move toward the skin's surface. Meanwhile, they continue to develop.
Day 15 to 21: the skin cells mature
The cells continue to change and prepare for their protective function at the skin's surface.
Day 22 to 28: old skin cells shed
Eventually, old skin cells are shed and make way for the newer cells.
This is deliberately a simplified timeline. As mentioned, this process can take longer for older skin.
What slows down skin cell renewal?
Age isn't the only factor. Your lifestyle and environment also influence how your skin functions.
Think, for example, of:
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UV radiation
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prolonged stress
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little sleep
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smoking
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dehydration
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a skin barrier that's out of balance
We think that skin barrier is especially important. It's the protective layer that keeps moisture in and helps block unwanted outside influences. If it gets out of balance, you can notice it through dryness, redness, sensitivity, and impurities.
Being harsher on your skin is usually not the answer then.
How to support natural skin renewal
Your skin renews itself. You don't need any complicated tricks for that. What you can do is create conditions in which your skin can do its work as well as possible.
Keep your skincare consistent
Rather use a simple routine with mild products than a new miracle ingredient every week.
Hydrate and nourish your skin
Both enough moisture and good fats play a role in supple, strong skin.
Eat a varied diet
Vitamins, antioxidants, and healthy fats aren't only interesting in a jar. Your skin is an organ and is also nourished from within.
Read more about eating well for your skin in this blog.
Get enough sleep
During sleep, your body gets time to recover. Your skin benefits from this too.
Protect your skin against UV radiation
UV can accelerate skin aging and damage the skin barrier. Good sun protection is therefore one of the most important things you can do for your skin.
Keep moving
Exercise supports, among other things, your circulation and overall health. And yes, your skin is simply part of that.
Why a trial set can actually help with improving your skin
Using new skincare once or twice actually tells you very little.
Your skin needs time to get used to a routine. Especially when your skin renewal runs a bit slower, several weeks can pass before the skin cells you're supporting eventually become visible at the surface.
With a trial set you can use a routine consistently and discover how your skin reacts to it, without immediately buying all the full-size products.
And maybe even more important: don't change ten other things in the meantime, so you can clearly see where the effect is coming from.
Choose your trial set
When do you see results from skincare?
That depends on what you mean by 'results'.
Hydration: your skin can already feel softer and more comfortable within a few days.
Glow: changes in radiance often need a few weeks.
Skin texture: count on several weeks rather than a few days.
Pigment and fine lines: these kinds of changes generally need more time and vary greatly from skin to skin.
According to Cathy Molenaar, co-founder of Food for Skin and a skin specialist for 30 years, it's important not to keep overstimulating your skin. Skin has its own system. Good skincare supports that system instead of constantly trying to correct it.
So if you don't see a huge difference after three days? Totally normal. Give your skin the time!
