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A Korean facial serum can help you tailor your routine with targeted hydration, soothing ingredients or care for a dull, uneven complexion. However, it can be difficult to look beyond terms such as “glow”, “glass skin” and “intensive action”. The right choice mainly depends on the ingredients list, the concentration and how you plan to use the serum.
Words such as “brightening”, “pore-refining” or “repairing” describe a product’s intended purpose, but do not predict exactly how your skin will respond. According to the brand’s own research, certain ingredients may contribute to a particular product effect; this is not a guarantee for every individual. Therefore, look for verifiable information such as the ingredients list, contents and directions for use.
A niacinamide serum, azelaic acid serum and retinol serum can each have a different place in your routine. If you use several powerful formulas at the same time, your skin may feel dry or sensitive more quickly. Start with one new product and gradually build up your usage.
A 100 ml bottle may seem better value than a 9 ml ampoule, but the formula and intended use are different. A retinol product, for example, is often used less frequently than a hydrating serum. Look at contents, recommended dosage and frequency of use, not just the price shown on the product card.
For a serum for sensitive skin, simple, fragrance-free formulas are often a practical choice. Centella asiatica, panthenol, glycerine and beta-glucan are widely used in hydrating and soothing products. Always check the full ingredients list on the packaging, however, as formulations can change.
If your main concerns are a dull complexion or visible discolouration, look for ingredients such as alpha-arbutin, niacinamide, tranexamic acid, vitamin C derivatives or azelaic acid. The presence of an ingredient does not automatically mean that pigmentation will disappear. Apply sunscreen during the day when advised in the directions for use or when using active ingredients.
A watery ampoule usually sits easily underneath a moisturiser. A richer serum may feel more comfortable on dry skin, but can feel less comfortable on oily or combination skin. The usual order is:
Apply a retinol product only as directed. For example, the SKIN1004 retinol product specifies evening use, gradual introduction and avoiding irritated or damaged skin. Retinol and retinal are vitamin A derivatives. According to the safety information provided, use during pregnancy or while breastfeeding is not recommended unless otherwise advised by a healthcare professional.
A facial serum often comes in a 30 ml bottle, while ampoules may also contain 50 or 100 ml. Check the expiry date and the period after opening on the packaging. Keep serums out of direct sunlight and close the dropper securely. Ideally, avoid touching your skin with the dropper to help keep the packaging more hygienic.
Why it suits this profile: The 100 ml size is convenient if you want to use a light, hydrating serum every day without needing to replace the bottle too quickly.
The product information clearly lists the contents and ingredients, including niacinamide, tranexamic acid and Centella asiatica. This allows you to base your choice on the formulation rather than glow-related claims alone.
100 ml, a lightweight texture and ingredients to hydrate the skin and promote a more even-looking complexion.
Why it suits this profile: This option is ideal if you are looking for a compact formula with familiar brightening and hydrating ingredients for a dull or uneven complexion.
The formula specifies 2% alpha-arbutin and 68.6% rice bran water. This provides more concrete information than a general promise of radiant-looking skin.
30 ml, vegan according to the product information, fragrance-free and formulated with glycerine, panthenol and niacinamide.
Why it suits this profile: This product is intended for users who are specifically looking for a retinol serum and are prepared to gradually build up their frequency of use.
The instructions specify an adjustment phase of 2 to 3 times a week, evening use and sun protection. This makes the application more specific than a general anti-ageing claim.
Contains retinol and retinal, plus panthenol, madecassoside and hyaluronic acid; compact 9 ml size for targeted use.
Why it suits this profile: The fragrance-free and alcohol-free product information is well suited to anyone looking for a simple, hydrating routine for skin that reacts easily.
The formula includes green tea, Centella asiatica, panthenol and hyaluronic acid. The product instructions recommend just 2 to 3 drops, helping you keep your routine straightforward.
30 ml, vegan according to the product information, fragrance-free and with 5% panthenol according to the description provided.
We have put together a complete, up-to-date list of products that fully meet these strict selection criteria and the applicable European safety regulations.
After cleansing, apply 2 to 3 drops to your skin and gently pat the product in. Finish with a moisturiser. Use sun protection during the day when recommended for your active ingredients.
This depends on the contents, dosage and frequency of use. A 30 ml bottle may last longer with daily use than a 9 ml ampoule that you apply only a few evenings a week. Check the packaging for information after opening.
Look for a fragrance-free formula with relatively few active ingredients, such as panthenol, glycerine or Centella asiatica. Do not introduce several new products at once. If you experience redness, swelling, itching or a burning sensation, stop using the product and seek advice from a healthcare professional if the symptoms persist.
