A Korean facial serum can be a targeted addition to your skincare routine. But it’s not wise to choose one based solely on claims such as “glow”, “glass skin” or “collagen boost”. The right choice depends on your skin type, the ingredients, the texture and how consistently you can use it.
A serum with lots of active ingredients may seem appealing, but more ingredients don’t automatically make it a better match for your skin. A vitamin C serum, niacinamide serum or peptide serum, for example, may have different purposes. So start by looking at the key ingredients and where they appear on the ingredients list.
A product description may say that a serum is suitable for all skin types. That doesn’t mean your skin will tolerate it without any problems. Sensitive or damaged skin may react to high concentrations, fragrance, essential oils, retinol, acids or spicule technology.
According to the product description, a serum for dark spots or a brightening serum may help make uneven skin tone less noticeable. However, results vary from person to person and depend on how long you use the product. Sun protection remains important during the day, especially when using products with vitamin C, retinol or exfoliating ingredients. Cosmetics are not a substitute for medical advice or treatment.
A percentage is only useful if you know what your skin can tolerate. For example, some serum product information lists 2% alpha-arbutin, 10% niacinamide or a high amount of vitamin C. If you’re using a concentrated serum, start with a small amount and don’t combine it straight away with several other strong active ingredients.
Take extra care with products containing spicules or micro-spicules. SKIN1004’s product information recommends using the Boosting Shot Ampoule two to three times a week at first, then gradually increasing how often you use it. Stop using it if you experience persistent redness, itching, swelling or a burning sensation.
A watery formula usually absorbs quickly and works well in a multi-step routine. A gel serum can feel comfortable on normal or combination skin, while a richer texture may be a better fit for dry skin.
Also check:
A facial serum is usually applied after cleansing and, if you use one, toner, followed by a moisturiser. Finish with sun protection during the day. Don’t use several new serums at once; this makes it easier to see which products your skin does or doesn’t tolerate.
Why it suits this profile: Its gel texture and 30 ml size make this an approachable choice if you want to try a serum for dry, normal or combination skin.
The product information specifies a formula with 3% snail mucin filtrate, ginseng water, niacinamide and hyaluronic acid, rather than relying on general glow claims alone.
30 ml, pump bottle, gel texture and, according to the product details, an alcohol-free and fragrance-free formula.
Why it suits this profile: This night serum has a light, watery texture and, according to the product description, is designed for mature or sensitive skin.
The product details list peptides, hyaluronic acid, guaiazulene and adenosine, among other ingredients. The formula is described as fragrance-free; always check the packaging.
20 ml, a light texture, use at night and a formula with several active skincare ingredients.
Why it suits this profile: A good fit for users who pay close attention to concentrations, building up use and skin reactions, and are specifically looking for niacinamide and vitamin C derivatives.
The directions recommend an adjustment period of two to three uses a week. This helps you avoid using an intensive product every day straight away.
9 ml, niacinamide, ascorbyl glucoside and Centella Asiatica; the description clearly warns that tingling and redness may occur.
We’ve put together a complete, up-to-date list of products that meet these strict selection criteria and current European safety regulations.
Cleanse your face first and use toner if you wish. Then apply a few drops or one to two pumps. Gently pat the serum into your skin and finish with a moisturiser. Use sun protection during the day. Always follow the instructions on the packaging when using a concentrated serum.
It depends on the size, the amount you use and how often you apply it. A 30 ml bottle will generally last longer with daily use than a 9 ml ampoule. Check the period after opening, too. Store the product in a cool, dry place away from direct sunlight, unless the packaging says otherwise.
You can, but introduce new products one at a time. Don’t combine several strong ingredients straight away, such as vitamin C, retinol, acids and high concentrations of niacinamide. A simple routine is often more practical if you have sensitive skin. Patch test a new Korean facial serum on a small area of skin first, and stop using it if irritation persists.