How to Use Facial Serum Correctly: Dermatologists’ Tips

How to Use Facial Serum Correctly: Dermatologists’ Tips
Most skincare products are pretty self-explanatory: cleansers cleanse, exfoliants exfoliate, and moisturizers hydrate. Serums, however, are a little more complicated. These small, stylish bottles contain formulas with big promises, but it’s not always clear what they do or how to use them correctly.

In our new article, we answer the most important questions about facial serums: how they work, when to apply them, and how to incorporate them into your daily skincare routine.

What Is a Facial Serum?


A facial serum is a lightweight, concentrated skincare product formulated with active ingredients that penetrate the skin. It helps address a variety of concerns, from uneven skin tone to excess oil production.
For example, a serum may contain vitamin C, hyaluronic acid, and other active ingredients. It is often included in a multi-step skincare routine to target specific skin concerns.

Key Benefits

Facial serums help improve skin tone and texture, reduce the appearance of fine lines, and hydrate and nourish the skin. Their effects depend on the active ingredients in the formula. Serums containing AHAs, such as glycolic acid, and BHAs, such as salicylic acid, help improve skin tone and texture. Retinol serums target fine lines, while formulas with a high concentration of hyaluronic acid provide intensive hydration.

How to Choose a Facial Serum


In the age of TikTok, it’s easy to get caught up in trends, as the platform has become one of the main sources of skincare information. However, experts recommend choosing a serum based on its active ingredients rather than its popularity. Manufacturers usually highlight key ingredients and briefly explain their effects on the skin. Here are some expert recommendations:

• For hyperpigmentation, look for products containing tranexamic acid, glycolic acid, and antioxidants, such as lotus sprout extract.

• For inflammation and redness, choose serums containing niacinamide.
• For acne-prone skin, look for serums containing salicylic acid and niacinamide.
 
As with other skincare products, facial serums should be selected according to your skin type and desired results. A dermatologist can help identify your skin’s needs and recommend suitable products.

When to Use a Facial Serum


How often you should use a serum depends on your skin’s needs. Vitamin C serums are generally recommended for morning use, while retinol serums are best applied in the evening, once a day. Hyaluronic acid serums can be used once or twice daily, while AHA and BHA serums should be used no more than twice a week.

How to Use a Facial Serum Correctly


Facial serums contain high concentrations of active ingredients, so just a few drops are usually enough. However, always follow the instructions on the packaging, as recommendations vary depending on the product.
Experts recommend applying skincare products from the lightest to the richest texture. A serum should be applied after cleansing but before moisturizer and sunscreen.

Do You Need Moisturizer and Sunscreen After Applying Serum?


The short answer is yes. Some serums can increase the skin’s sensitivity to sunlight, making SPF essential. Experts also recommend choosing a moisturizer and sunscreen that do not unnecessarily duplicate the same active ingredients, as using too many can cause irritation and interfere with your desired results.

Common Mistakes to Avoid 

One of the most common mistakes is applying too much serum, especially when using products containing vitamin C or retinol. A few drops are enough. Experts also advise against applying serums too frequently and recommend spreading the product in a thin, even layer.

Another mistake is allowing the dropper or applicator to touch the skin, which can contaminate the product. Apply the serum to your palm first, or hold the applicator above your skin without letting it make contact.

Facial serums are lightweight skincare products with high concentrations of active ingredients that help target specific skin concerns. Since different serums deliver different benefits, choose one based on your skin type and desired results. Want to reduce the appearance of fine lines, boost hydration, or address hyperpigmentation? Add a serum to your daily skincare routine. And if you’re unsure which one to choose, consult a dermatologist.

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Published: 15.10.2026 09:45 Times Read: 163