Facial Serum 101: What It Is, How to Use It, and Why It Works

Imagine a Skincare Product That…

can slow down skin aging, visibly reduce fine lines and wrinkles, and restore your skin’s radiance. In fact, you don’t need to imagine it—because such a product already exists. It’s known as a “facial serum,” and it’s becoming an increasingly popular key step in skincare routines. If you’re curious to learn what this product actually is, what its role is, when to use it, and how to apply it correctly—keep reading.

What is a facial serum?

A facial serum is a powerful cosmetic product designed to address specific skin concerns. It contains concentrated active ingredients such as retinol, hyaluronic acid, vitamin C, and others. These ingredients are absorbed quickly and effectively by the skin, often producing visible results in a much shorter time comparing to other types of skincare products.

We include a facial serum in our routine when we want faster and more lasting results for beautiful skin.

What is the role of a facial serum in a daily routine?

The use of a facial serum in your skincare routine aims to deliver better, more targeted results for treating specific skin issues. Thanks to the higher concentration and absorption of active molecules, facial serums can address concerns like dryness, dullness, or wrinkles more efficiently.

For example, if you have dry skin and use the Biotrade Hydrating Facial Serum with Hyaluronic Acid and Niacinamide, it will help restore the skin’s water balance, provide optimal hydration, and make your skin appear plumper, more elastic, and radiant.

What types of facial serums are there?

Facial serums can be categorized based on the skin concerns they address:

  • Hydrating serum – For dry and dehydrated skin. Provides deep hydration, retains moisture, and improves skin elasticity.

  • Brightening serum – Suitable for all skin types; it evens out and brightens skin tone. Typically contains vitamin C, a powerful antioxidant.

  • Anti-wrinkle serum – Targets mature skin to smooth out fine lines and wrinkles. Often contains retinol, which stimulates collagen and elastin production and speeds up cell regeneration.

  • Eye serum – Designed specifically for the delicate skin around the eyes, targeting puffiness, dark circles, and the first signs of aging.

How to use a facial serum?

Once you’ve selected the serum that suits your skin type and needs, here’s how to apply it correctly:

  1. Cleanse your face thoroughly—remove makeup and wash with a cleanser (soap, foam, oil, or gel).

  2. Dispense a small amount of serum (1–2 pumps) onto your fingers.

  3. Gently spread it across your face, avoiding the eye area (unless it’s Pure Skin Glow Revival Eye Serum)

  4. Pat gently into the skin to improve absorption. You can also use a Gua Sha stone, face roller, or similar tool.

  5. Wait 10–15 minutes for full absorption before applying your moisturizer or fluid (day or night cream).

Can a facial serum be used on its own?

A facial serum provides extra hydration and targeted treatment, but it’s not always a mandatory step. However, depending upon the needs of your skin, it can be used alone and in combination with other products. For example, if you have young, well-hydrated skin, then serum is completely sufficient. However, for enhanced results and long-lasting hydration, it’s often followed by a moisturizer or facial fluid, which “seals in” the serum’s active ingredients.

Should facial serum be applied in the morning or evening?

This depends on the serum and the routine you follow. Some serums are meant only for evening use, especially those with retinol or alpha hydroxy acids (AHAs). Others, like hydrating serums with hyaluronic acid, can be used both morning and night.

Can you combine multiple serums in one routine?

Yes, for certain skin concerns, you can combine multiple serums—but you should consult a dermatologist or skincare specialist first. For example, do not combine retinol and vitamin C in the same routine. However, you can use them at different times—retinol at night and vitamin C in the morning.

A good example of a complementary serum combination is:

As a rule, when combining two or more serums, the order of the application depends on their consistency. Apply the thinner (water-based) serum first, then the thicker (oil-based) one.

What’s the difference between a facial serum and a facial cream?

  • Texture: Serums have a lighter, more watery texture, absorbing faster into the skin.

  • Concentration: Serums contain a higher concentration of active ingredients.

  • Function: Serums are not always enough on their own—while creams can be used as a standalone moisturizer.

  • Application order: Always apply the serum first, followed by the thicker cream.

In conclusion

Incorporating a facial serum—or a combination of serums—into your daily skincare routine can significantly boost skin health and appearance. Choosing the right serum depends on your specific skin concerns and skin type. To get the best results, follow proper application methods and routine sequencing. Try it for yourself and experience the transformative power of this potent skincare product.

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