Face serum for men: shaving, beards, and what actually matters

TLDR: Men's skin is different, but choosing a serum is really about what benefit you want or what problem you want to solve. If you're blessed with a viking beard, don't sweat digging your serum under there if it's a pain. On shaving days, take note of whether your skin will tolerate your serum, and if it doesn't, don't feel guilty about skipping a day or working around the shave area.

Hey, Angel here. I'm a fellow chemist, I formulate men's skincare over at Strive, and the ladies of Chemist Confessions were kind enough to hand me the blog for a minute.

Let’s talk about how to choose a face serum for men. It’s a super common question and most of the answers out there are either generic or overly built around brand marketing. "Built for men's thicker skin." "Formulated for the unique needs of male skin." Cool. What does it do though?

To be clear, the biology is real. Male skin does run thicker and oilier on average, and shaving does put your barrier through something women's routines don't. Victoria and Gloria cover all of that in their skincare routine for men guide, and it's the right place to start if your cleanser, moisturizer, and sunscreen aren't locked in yet.

Here's the thing though. None of that determines whether you need retinol or a hydrating serum. What determines that is what you're trying to change about your skin and what your current routine looks like. There are two places where being a guy genuinely changes things, shaving and beards. Everything else comes down to the job.

What a serum actually is

A serum is the step in your routine dedicated to a specific outcome. It’s sometimes called a treatment step.

That's it. It isn't a texture, price tier, or regulated term.. A brand can throw together glycerin and water into a bottle and call it a serum (and plenty do).

The useful (generalized) way to think about it: your cleanser cleans, your moisturizer hydrates and supports your skin barrier, your sunscreen prevents UV damage. A serum is where you put the thing you want more of than those products can reasonably give you. So when you're comparing serums, you're really asking one question: what is this bringing that I'm not already getting enough of from everything else on my counter?

That's also why you can't just slam everything into one bottle. Plenty of ingredients don't play nice together, and keeping your actives separate means you can pull them out when your skin needs a break, be it from shaving irritation, playing a sport, fighting bears, or other incredibly manly things we do.

Which type of serum do you actually need?

Simple. Pick the type that matches the goal (or complaint) you actually have when you look in the mirror.

Lines and general aging

This is retinoid territory. Retinol and its relatives are some of the most studied ingredients in this space, with vitamin C and peptides as a reasonable supporting cast. If your concern is crow's feet, forehead lines, or skin that just looks less springy than it in your prime, a retinoid is the biggest needle-mover you can add.

Nice and easy here. One to three nights a week starting out, then gradually build up to nightly as tolerated. Guys tend to go too hard on this and end up red and flaking by week two. Don't worry, you're not going to miss out on your gains.

Hydration

Hydrating serums are humectant-heavy. Glycerin, hyaluronic acid, panthenol, betaine, and many more. Humectants pull water toward the surface of your skin.

I find that if you use quality products, you are usually covered in this area, but sometimes a hydration serum can give your skin that extra bit that helps you avoid a tightness feeling throughout the day or if you are into the glass skin look, can help contribute to getting that look.

Oh, and a hydrating serum is not a moisturizer replacement. Without something sealing it in, that humectant benefit doesn't stick around. Moisturizer still goes on top, even if you're oily.

Tone and dark marks

Niacinamide, vitamin C, azelaic acid, tranexamic acid, arbutin, exfoliating acids, and retinoids too. They don’t all work the same, but they have a similar goal: more even-looking skin.

This one is more common than you may realize. A lot of the discoloration guys are looking at isn't sun spots. It's the aftermath of razor bumps, ingrown hairs, and old acne, which shows up as flat brown or reddish marks that hang around for months. Niacinamide is always a safe bet to start with here, and it tends to work very well when your routine also has a retinoid or an exfoliating acid.

Texture and buildup

These are just exfoliants, though some brands call them exfoliating serums. Usually glycolic/lactic/mandelic acid (AHAs) or salicylic acid (BHA). AHAs help with roughness and dullness by working on the surface of the skin. Salicylic actually gets down into the pore, making it a go-to for clogged pores..

This is the category where guys most often go nuclear. Stick with once or twice a week unless the exfoliant is light and designed for daily use. Otherwise, daily exfoliating is how you wreck your barrier and then blame the product. If you shave with a blade regularly, you're already exfoliating more than you think.

Here I definitely recommend some of the exfoliants from Chemist Confessions. I am a big fan of how they are designed to address many different situations and are very flexible. You can just add a drop to your moisturizer step or you can do a full-on wash-off mask type treatment if you want something stronger.

Breakouts

We were lied to in high school. Unfortunately, acne doesn't care that you're 34.

Salicylic acid is a great starting point for blackheads or light breakouts, and niacinamide is worth having for the marks that get left behind. Retinoids here do a solid job of killing two birds with one stone. If you're dealing with heavy or cystic acne, skip the serum aisle entirely and see a dermatologist. Prescription options are usually the better move here.

So which one do you pick?

One serum, maybeeee two. Pick the job that bugs you most and give it three months. Running three at once is how you end up irritated with no idea which bottle caused it, or seeing results with no idea which one to credit.

If you want two lanes covered in one step, that's what Double Play is doing. 0.3% encapsulated retinol for the lines, 2% niacinamide and a 2% Haloxyl peptide complex working on tone and dark circles. I am a big fan of studies, and this one even has a 12-week blinded clinical study backing up its results.

I review products from men's brands constantly, and I can tell you exactly where almost all of them fall short: they won't tell you what's in the bottle or they don't give you enough of the good stuff. Regardless of what you use, it's almost always a good idea to look for a serum that publishes important ingredient percentages, otherwise you will have no idea if it's actually going to do anything. Imagine buying protein or supplements that don't tell you how much is in them. This is essentially the same thing.

Can you use a serum after shaving?

Here's the first genuinely male-specific thing.

A blade against your face is effectively a physical exfoliant. It’s not just hair, it’s taking off a layer of dead skin. That's part of why a fresh shave feels smooth. That's the microtrauma Victoria and Gloria talk about in their routine guide, and it's why your barrier is less resilient right afterward.

So layering an acid or a retinoid onto freshly shaved skin is where a lot of guys get burned, sometimes literally. It's not a hard rule, and it does depend. Some guys can slap on many ingredients after shaving and have no issues (like me). 

Practical version:

- If you shave at night, don't force a retinoid or heavy active product. Make sure your skin can tolerate it.

- If you shave in the morning, treating at night is usually fine.

- If you shave daily, you can always try buffering your serum. Moisturizer first, then serum on top.

- Hydrating and niacinamide serums are generally fine on shave days.

- If you're already doing a chemical exfoliant once or twice a week, don't stack that on a shave day unless you're working around the shave area. Your razor already handled that part.

Right after a shave, the move is protecting and hydrating, less active heavy.

*G&V note: For more tips on shaving, please head to Angel's great guide on all things shaving for men!

Do you apply serum under your beard?

This comes up constantly and there's no steadfast rule, because it depends entirely on beard length and density. My honest take: if it's not a pain in the butt, do it. If it is, don't bother.

Technically, if you want to be completely optimal, you should work it in. Skin is skin whether there's hair growing out of it or not. But optimal only counts if you actually do it, and the routine you'll stick with beats the perfect one you quit in three weeks. I can grow a slightly passable beard and never let it get past an inch, so it's easy for me to push the hair aside and get product underneath. I do it. If you're blessed with a thick viking beard, that's a lot of effort for very little payoff.

The reason I'm relaxed about it: the areas most prone to fine lines aren't really in your beard zone. They're your eyes, your forehead, and the lines around your nose. The places that move the most when you make expressions, and the places that take the most direct sun. Those are exactly where your serum is already going.

The other half is UV. If you skipped under-beard application for a lifetime, there might be a slight difference in skin quality under there, but you're not going to have a permanent hard dividing line or anything dramatic. Big visible differences between areas of someone's face are almost always UV damage, not treatment gaps. You've seen the older golfer whose forehead under the hat looks like a different person's skin. That's sun, not serum. And your beard is already doing a decent job of shading the skin beneath it.

Cleanser is a different story. That one you should be working into the beard skin regardless of length, since that's where the oil and product buildup actually sits.

Where a serum goes in your routine

Where it goes in the routine is simple. Cleanse, serum, moisturizer, and sunscreen if it's the morning. Read the directions though, especially if you're new, including how much to apply.

Damp skin is a plus for hydrating serums, dry skin for retinoids and acids. Moisturizer goes after unless you are using it as a buffer.

And sunscreen every morning, if you're going out or working close to a window. It's the single most protective thing in your routine, and it matters more than any serum you choose. This goes double if you're running a retinoid or an acid, since both leave your skin more sensitive to UV. Skipping SPF and using these serums is like buying a pound of cure instead of an ounce of prevention.

If you don't have one you actually like wearing, that's the real problem, and the fix is finding a texture you don't hate rather than forcing yourself through a bottle that pills under your beard or has you looking ghostly. Their sunscreen review hub is the best resource I've seen for this. They've tested and reviewed 90+ of them with notes on finish, feel, cost, protection level, and much more.

Then wait. Skin turns over roughly every four weeks, and most of these ingredients need 6 to 8 weeks of consistent use before you see anything worth judging. Two months of showing up beats six months of jumping from product to product.

That's it. Figure out the job, buy the product that does it, use it long enough to know whether it worked. Keep it simple gentlemen.