News

If your makeup looks cakey or dull, you are not doing the right prep before the base. The real trick to a flawless base is using a serum before makeup. It hydrates the deeper layers of your skin so your face stays plump and smooth. This helps your makeup sit perfectly on top and have a glowy finish. Without this step, even a $100 foundation can look dull or cakey.

What a Serum Does When Used Before Makeup?

Think of a serum as a bridge between your moisturizer and your skin. While a moisturizer sits on top to lock in hydration, a serum is made of smaller molecules that sink in deeper.

If you have tiny dry flakes or rough patches, the foundation will grab onto them and make them look ten times worse. A serum sinks in and flattens those patches, creating a surface that is as smooth as possible.

In the context of makeup, a serum does three main things:

1. Smooths texture: It fills in tiny dry patches that foundation clings to.

2. Adds a glow: It gives you a natural radiance that a highlighter can't mimic.

3. Improves longevity: When your skin is hydrated, it won’t pull moisture from your foundation, so it’s less likely to crack.

Beyond just smoothing things over, a serum provides a "grip." Because it hydrates so deeply, it leaves your skin feeling slightly bouncy. This texture helps your foundation "hold on" better than it would on dry, bare skin.

It also changes how your makeup looks at the end of the day. Have you ever noticed your foundation looking darker or "orange" after a few hours? That often happens because your skin is too dry or too oily, causing the makeup to change color. A good hydrating serum before makeup balances your skin's moisture levels, which keeps your foundation looking the same color from 8:00 AM to 5:00 PM.

What serum should I put under makeup? (By Skin Type)

Using the wrong serum is not as bad as using none at all. But it's better if you match it to your skin.

Serum before makeup for dry skin

If you have dry skin that feels tight, looks dull, or gets flaky, you need a serum packed with hyaluronic acid or glycerin. These ingredients act like a giant sponge, pulling moisture into your skin so your foundation doesn't drink up the water and leave you with dry patches.

Serum before makeup for oily skin

For those with oily skin, it is tempting to skip hydration, but if you do, your skin will produce more oil to try and protect itself. Instead, go for a lightweight, watery serum with niacinamide (vitamin B3). It can help control oil and make pores look smaller.

Serum for sensitive or red skin

When your skin gets irritated fast, it’s best to settle it down before putting on makeup. A serum with Centella Asiatica (sometimes called Cica) or Allantoin is perfect for reducing redness and healing the skin barrier. These are the best ingredients in face serums for sensitive skin, giving you a calm, even surface that requires less concealer to cover up spots.

Serum for dull skin

For dull skin that just looks tired and lacks shine, you need ingredients that brighten the surface. A serum with vitamin C works to fade dark spots and give you that "radiant" look, providing a natural sheen that shows through even full-coverage foundation.

The Best Serum for Makeup: Our Top Pick

If you are looking for one face serum that does it all (brightens, soothes, and preps), you need to look at the ingredients. And the best mix of ingredients is vitamin C (for brightness) and Centella asiatica (for calming redness).

And one product that gets this balance just right is the Light On Serum Centella + Vita C.

Why this is such a great serum to put under makeup:

1. It brightens without irritation: This formula uses 10% of a gentle, stable vitamin C (3-O-Ethyl Ascorbic Acid). It gives you that Korean glass-skin glow without the stinging sensation of pure Vitamin C.

2. Calms skin: It contains 68% Centella asiatica extract. This is great for reducing redness before you apply foundation, so you don’t need as much concealer.

3. Perfect texture: It is very lightweight and absorbs in about 60 seconds. It doesn't leave a greasy film, which means your foundation won't slide around.

Because it’s lightweight, it works for both oily and dry skin types, making it a solid choice for a Korean serum to put under makeup.

How to Prep Your Skin

Getting the best results from your makeup isn't just about the products you use but also how you put them on. You need to follow the correct order to ensure your foundation looks smooth and also lasts all day.

Here’s the basic order:

1. Cleanse

2. Serum

3. Wait 30 - 60 seconds

4. Moisturize (Optional)

5. Foundation

If you struggle with clogged pores, you might want to try the double cleansing method before applying your morning serum. For a flawless base, you can build a simple routine using the Ginseng Cleansing Oil to clean, followed by the Light On Serum to prep.

This is the most important part: give it at least 60 seconds to sink in. If you apply foundation while your skin is still wet, the serum and foundation will mix and become patchy. Your skin should feel soft, not wet.

If you have very dry skin, use a light moisturizer. And with oily skin, you should not use a heavy moisturizer; it’s better to skip it.

Can we use serum in makeup?

Yes! In fact, professional makeup artists do this all the time. Instead of using a thick primer, they will mix a drop of hydrating serum directly into the foundation before makeup. This makes the foundation thinner, sheerer, and much more hydrating.

Common Mistakes to Stop Makeup from Pilling

Pilling happens when your products don't mix and start cracking or rolling on your skin. Here’s how to stop it:

 The "Water and Oil" Conflict

Check your foundation's label. If the first few ingredients end in "-cone" (like Dimethicone), it’s silicone-based. To stop pilling, you must let your hydrating serum dry completely (usually 60 to 90 seconds) so it’s fully inside your skin before the foundation sits on top.

Using Way Too Much Product

When it comes to serum before foundation, more is not better. Stick to 2 or 3 drops. That is all you need for your entire face. If your skin still feels wet after a minute, you used too much.

Pat, Don't Rub

When you apply your foundation over your serum, use a damp sponge or your fingers to pat it on. This presses the foundation into the serum layer instead of scraping it off.

FAQ’s

Should I apply serum before or after the moisturizer?

The rule is simple: always go from the thinnest to the thickest. Serums are watery and have small molecules that need to sink deep into your skin to work. Moisturizers are thicker and act like a lid to seal everything in. If you put moisturizer on first, the serum won't be able to get through that thick layer. So, always apply your serum first, let it dry, and then follow up with moisturizer if you need it.

What is the best time to apply your serum?

If you have to pick just one time, most experts suggest the morning if you want your skin to look its best under foundation. But for the fastest results in clearing up your skin, using it twice a day (morning and evening) is the way to go.

Does serum replace primer?

It can! For many people, a high-quality hydrating serum before makeup is all they need. While primers often use silicones to fill in pores, a serum actually fixes the dryness that makes pores look bigger in the first place. If you have relatively smooth skin, it provides enough "grip" and hydration that you can skip the extra layer of primer.

Can I mix my serum directly into my foundation?

Yes, this is a great trick for a natural look. If you have a foundation that feels too thick or "heavy," add one drop of serum to it on the back of your hand before applying. This thins it out and gives you a much more dewy, sheer finish. It’s the easiest way to turn a full-coverage foundation into a lightweight skin tint.

Will serum make my makeup slide off if I have oily skin?

Not if you use the right one. The mistake most people make is using a heavy, oil-based serum. If you use a water-based serum before makeup for oily skin, it actually helps your makeup stay put. 

Final Thoughts

You don't need a 10-step routine to have good skin under makeup. You just need the right preparation. By using a serum before foundation that matches your needs, you are not just covering up imperfections; you are fixing them.

Next time you apply your makeup, try using the Light On serum first. You’ll probably find you need less foundation, and your makeup will look much more radiant.