Clear serum droplets on a pale surface, macro

Growth Factors in Skincare: What They Are, and Why Your Eye Cream Doesn't Have Them

Growth factors are among the most expensive ingredients in skincare — and almost no eye cream has one. What EGF and FGF are, why brands skip them, and how to check a label in ten seconds.

There’s a drawer in most houses that holds the eye creams that didn’t work. Six jars, maybe eight. A few of them were expensive.

Not one of them had a growth factor in it.

Growth factors are proteins that skin makes on its own. In skincare they’re used for one reason — skin that looks fresher and more renewed the longer they’re used — and the science behind them was serious enough to earn a Nobel Prize.

They’re also among the most expensive things a brand can put in a jar. Which is most of the explanation for that drawer.

Why Almost Nobody Puts Them In

Two reasons, and neither of them is about whether they work.

The first is arithmetic. Used at a medical-grade amount — enough to be worth mentioning rather than enough to be mentioned — growth factors decide the price of a cream before any other ingredient gets a vote. Most brands look at that number and quietly move on.

The second is that they punish shortcuts. They’re delicate, the formula has to be built around them, and they can’t be stirred into an existing base at the last minute to earn a line on the front of the box. A brand either commits or leaves them out.

Most leave them out. That is the whole story, and it has nothing to do with the ingredient.

What nobody should promise. Growth factors are large molecules, so this is a story about how the surface of skin looks and behaves over time — not a claim about anything deeper. They’re also slow. Any brand promising a transformed face in a fortnight has stopped describing the ingredient and started describing your hope. Give them a season, then judge them.

Your Growth Factor Pair

Two abbreviations turn up on the rare labels that carry them. Having both is not the same as having one.

EGF: The One You’ll See Named

Where a brand has bothered at all, this is usually the one it reaches for. It’s associated with skin that looks smoother, fresher and more rested the longer it’s used — the slow kind of difference, the sort you notice in a photograph before you notice it in the mirror.

FGF: The One You Won’t

The rarer companion, and the reason a pair isn’t just a doubled headline. Where EGF is associated with the look of renewal, FGF is associated with the look of firmness and support — skin that reads as held together rather than simply hydrated. It appears in a fraction of the products EGF does.

One of them on a label is unusual. Both of them, in an eye cream, is close to unheard of.

The Ingredient With No Instructions

Here is the part that surprises people who’ve been burned before.

Growth factors come with no rules attached. No sunlight to avoid, no fortnight of looking worse first, no waiting three days between uses, no list of things they can’t be layered with, no pregnancy footnote, no build-up schedule. Nothing to be careful about.

In an aisle where the effective things usually arrive with a warning and the gentle things usually arrive with nothing, that combination is genuinely rare — and it’s the reason growth factors suit a nightly habit better than almost anything else on the shelf.

Woman with a towel wrapped around her hair, hand resting against her cheek after skincare

The Half You Don’t Pay For

An expensive ingredient is only ever half of it, and the other half is free.

Growth factors reward consistency far more than they reward intensity — which means the woman who uses a good cream four nights a week will be disappointed, and the one who uses it every night without thinking about it won’t. Applied at night, on clean skin, as the last thing before bed, for months rather than weeks. That’s the whole technique.

Add sunscreen in the morning and actual sleep where life allows it, and the free half is done. No brand can sell you those two, which is probably why so few mention them.

Keep this oneTurn over any eye cream before buying it and look for a growth factor. Most won’t have one. That single check tells you more about where a brand actually spent its money than anything printed on the front.

The Takeaway

Growth factors aren’t a trend, a rebrand, or a new discovery dressed up for a launch. They’re an old, well-studied, genuinely expensive ingredient that most eye creams skip because skipping is cheaper.

So the drawer isn’t a personal failure, and it isn’t a run of bad luck. It’s a category that mostly didn’t bother.

Which Is Also Why Ours Cost What They Cost

We didn’t skip them. Both of our eye creams are built around growth factors, and that decision set the price of both before anything else did.

The SKINWIT Eye Cream carries EGF, with retinol, Matrixyl 3000 and Argireline for expression lines. It’s the firmer, more traditional of the two.

THE EYE CREAM carries the full pair, EGF and FGF, with exosomes, bakuchiol and the brightening trio for tone. It’s the gentler one, and the more advanced.

Both are the last step of a routine, and both come with the Empty-the-Bottle Guarantee: finish the jar, and if your skin disagrees, it’s on us.