The Hyaluronic Acid Serum That Gives You Instant Younger-Looking Skin

Last Updated on October 30, 2026 by Giorgia Guazzarotti

If there’s one thing I’ve learned from Korean skincare is that moisture is the foundation of younger-looking skin. You can throw all the anti-aging ingredients your heart desires at your wrinkles, but if your skin isn’t hydrated enough, those pesky wrinkles are gonna look 10x worse. How do you make sure your skin is hydrated enough, then? Hyaluronic Acid. It’s one of the most popular ingredients in Korean skincare for a reason: it’s the holy grail of hydration. Most hyaluronic acid serums out there do a wonderful job at hydrating skin. But they stop at that. Mizon Hyaluronic Acid 100 goes a step further: it targets dryness and wrinkles so you can treat both at the same time. Here’s how:

Key Ingredients In Mizon Hyaluronic Acid 100: What Does The Science Say?

HYALURONIC ACID TO HYDRATE SKIN

Korean women are obsessed with Hyaluronic Acid. They know hydration is the foundation of healthy, younger-looking skin – and nothing hydrates skin better than Hyaluronic Acid. It secret? It can hold up to 1000 times its weight in water! Here’s how it works: Hyaluronic Acid attracts moisture from the air all around you as well as from the deeper layers of your skin. It’s not as drying as you think. Your skin is more than 60% water. Hyaluronic Acid just redistributes it around.

Your skin then uses that extra moisture to look its best: it softens to the touch, plumps up so fine lines and wrinkles look smaller, and glows as if lit from within. Mizon Hyaluronic Acid 100 contains Sodium Hyaluronate, a smaller form of Hyaluronic Acid better able to penetrate skin. It’s the second ingredient, so there’s A TON of it here. I dare you to find something more hydrating than this!

Related: Why You Need To Add Hyaluronic Acid To Your Skincare Routine, No Matter Your Skin Type

CERAMIDE 3 TO STRENGTHEN YOUR SKIN’S PROTECTIVE BARRIER

It’s not enough to add moisture to your skin. You also needs to keep it there. Hyaluronic Acid binds water into the skin to an extent, but if your skin is dry, you’ll need more help than that. Enter ceramides. They’re oily waxes (“cera” means wax in Latin) that make up the glue that holds skin cells together (together with fatty acids, cholesterol etc). Ceramides waterproof skin. The barrier they create has two jobs:

• It keeps moisture in, preventing skin from becoming dry and cracked
• It keeps bacteria, germs, pollutants, and all sort of nasty stuff out of the body, preventing infections and irritations

Mizon Hyaluronic Acid 100 has only one Ceramide, i.e. ceramide-3. But it’s paired with cholesterol, another component of your skin’s protective barrier that’s known to boost the effects of ceramides.

Related: Are Ceramides The Key To Healthy Skin?

COPPER TRIPEPTIDE-1 TO FIRM SKIN

Peptides have taken the skincare world by storm. But I’m not their biggest fan. Truth is, we still don’t have solid evidence they do much of anything. The exception? Copper peptides. Mizon Hyaluronic Acid 100 contains Copper Tripeptide-1 (a.k.a. GHK-Cu), a peptide that helps:

• Heal wounds: It breaks down degraded collagen in scar tissue and stimulates the production of healthy new collagen to heal skin faster.
• Boosts collagen: It stimulates the production of collagen, the protein that keeps skin firm, as well as that of elastin, the protein that keeps it elastic.
• Anti-inflammatory: It has soothing properties that help reduce inflammation.

In other words, it helps skin heal faster, improve firmness and elasticity and reduce fine lines and wrinkles. The catch? Don’t expect results overnight. You need to use it constantly for years to see a difference. FYI, most copper peptides serums cost an arm and a leg. Mizon Hyaluronic Acid 100 is an affordable way to incorporate them into your skincare routine and see for yourself what the fuss is about.

Related: Copper Peptides VS Retinol: Which One Is More Effective Against Wrinkles?

Texture

This serum has a lightweight, watery texture that sinks into your skin fast. It feels slightly sticky for maybe a second or two while it’s settling in, but then that tackiness disappears completely. It’s not like those glycerin-heavy serums where you feel sticky for hours and regret your life choices. Once it sets, it creates this perfect smooth base for whatever you want to layer on top – moisturizers, oils, whatever.

Fragrance

There’s no fragrance in this, which is exactly what you want in a serum full of active ingredients. Your skin gets the good stuff without any unnecessary irritants.

How To Use It

I apply this at night after my retinol or salicylic acid serum but before moisturizer. The hyaluronic acid and peptides play nice with actives, so you don’t have to worry about layering issues. You can also use it in the morning if your skin’s feeling dry or dehydrated. Honestly, when winter hits I’ll probably use it twice a day because my skin turns into the Sahara Desert when it gets cold.

Packaging

It comes in this rounded aqua-colored bottle that’s actually really pretty sitting on your bathroom sink. The dropper applicator is one of those good ones that dispenses just the right amount of product, so you’re not wasting half the bottle or struggling to get enough out.

Performance & Personal Opinion

This is hands down one of the most hydrating serums I’ve tried. The hyaluronic acid pumps moisture into your skin immediately – like you can literally see your skin plump up within seconds of applying it. Your face looks softer, smoother, younger, healthier, all that good stuff. There’s even this subtle glow that happens.

Now, the copper peptides are in here for anti-aging benefits, but those take time to work. You’re not going to wake up with firmer skin overnight because peptides need consistent use over weeks to show results. But the immediate hydration? That’s instant gratification right there. What I really appreciate is that it delivers all this moisture without feeling greasy or heavy or clogging your pores. It just does its job and gets out of the way so you can continue with the rest of your routine.

Who Should Use This?

Honestly? Pretty much everyone. Dry skin? This will save your life. Oily or breaking out? You get hydration without the grease or clogged pores. Sensitive skin? No fragrance, no bullshit ingredients that’ll piss your skin off. Normal skin? The hyaluronic acid keeps everything plump and happy while the copper peptides work on preventing aging down the line.

It’s especially great if you want real hydration but hate feeling like you’ve got a thick, suffocating layer of product on your face. Like you want moisture, not a face mask you can’t take off.

Does Mizon Hyaluronic Acid 100 Live Up To Its Claims?

Price & Availability

Available at: $18.10 at Cult Beauty, Stylevana, and Yes Style

This is really affordable considering you’re getting both hyaluronic acid and copper peptides without paying luxury skincare prices. You can find it on K-beauty sites, Amazon, wherever you usually buy Korean skincare online.

The Verdict: Should You Buy It?

Yes. Get it. If your skin needs hydration or you want to add peptides to your routine without spending a fortune, this is it. The instant plumping from the hyaluronic acid alone is worth it, and the copper peptides are doing their thing for long-term benefits. It works for everyone, doesn’t clog your pores, layers well with everything else in your routine, and delivers on the hydration. Plus it’s affordable.

Don’t expect it to erase your wrinkles in a week or give you completely different skin overnight because that’s not realistic. But if you want a hydrating serum that makes your skin look and feel amazing immediately while working on improvements over time? Buy it. You’ll be happy you did.