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A face serum can become a regular part of your routine, but the wide range of Korean skincare products can make choosing the right one difficult. Are you looking for hydration, a more even-looking complexion, less visible redness, support for oily skin or care for pigmentation? In that case, the combination of skin type, ingredients and usage advice is especially important.
Marketing copy often mentions “glow”, “glass skin” or rapid improvement. On their own, these terms reveal little about the formula. Instead, check the ingredients list, the concentration where stated and the warnings on the packaging.
A high-percentage vitamin C serum may be appealing if you are already used to active ingredients, but it may be less suitable for sensitive skin. Retinol, retinal, azelaic acid and exfoliating ingredients also require a gradual introduction.
According to the product information, Vitamin C23 Anti aging serum contains 23% ascorbic acid. The manufacturer recommends carrying out a patch test, storing it in a cool place and taking care when combining it with retinol. These are important practical points to consider before buying.
SKIN1004 serum, Beauty of Joseon serum and serum are popular search terms, but a brand name does not automatically determine whether a product is right for your skin. Within one brand, for example, you may find a hydrating serum, a niacinamide serum, a retinol serum and a serum for acne. The formulas and usage advice can vary considerably.
Combining a vitamin C serum with retinol, azelaic acid and exfoliating acids can make your routine unnecessarily complicated. It is better to start with one new product. Use a small amount and look out for signs such as stinging, itching or persistent redness. Stop using the product if irritation occurs and seek advice from a doctor or pharmacist if necessary.
Start by choosing according to your goal:
Check whether the formula contains fragrance, essential oils or known allergens. According to the product information, SOME BY MI Galactomyces Pure Vitamin C Glow Serum contains, among other ingredients, vitamin C, bergamot oil, lavender oil, linalool and limonene. This may be relevant if you are looking for a serum for sensitive skin.
A “natural” formula is not automatically suitable for everyone either. Check the INCI list and make sure the packaging states an EU responsible person, batch number and shelf-life information. Cosmetics sold in the European Union should include clear safety information for use.
A watery ampoule often works well under a cream, while a gel-like or honey-like texture may feel different on the skin. Also consider the volume: a 9 ml bottle is convenient for trying an active formula first, but it will not last as long as 30, 50 or 100 ml.
Store vitamin C and retinol products according to the label. Some formulas need extra protection from light or heat. During the day, use sunscreen with SPF 30 or higher when recommended in the product information, particularly when using retinol or vitamin C.
Why it suits this profile: The lightweight formula combines a vitamin C derivative with centella asiatica, glycerine and hyaluronic acid. This makes it a straightforward choice for anyone looking to build a simple routine.
The product information lists a vitamin C derivative rather than only a highly concentrated pure vitamin C formula. Still, check the ingredients list and test it on a small area of skin first.
30 ml volume; contains glycerine, centella asiatica and several forms of vitamin C according to the product list.
Why it suits this profile: If you are looking for a generous size and a versatile hydrating step, this booster contains six types of peptides, niacinamide and sodium hyaluronate.
The ingredients and volume are clearly stated. This allows you to compare the formula without relying solely on terms such as “glow” or “firming”.
150 ml; six peptide ingredients; according to the product description, suitable for all skin types.
Why it suits this profile: This small ampoule is aimed at users who want to introduce retinol and retinal mindfully and gradually build up their usage.
The label recommends using it two to three times a week during the first one to two weeks. Do not use on irritated skin; during pregnancy or breastfeeding, use only on the advice of a healthcare professional.
9 ml size; contains retinol, retinal, panthenol, madecassoside and centella asiatica according to the ingredients list.
We have compiled a complete, up-to-date list of products that fully meet these strict selection criteria and the applicable European safety requirements.
When using a serum for acne or a serum for an even-looking complexion, remember that cosmetics can care for the appearance of the skin, but they are not a substitute for treating a skin condition.
Look for a short ingredients list and avoid ingredients that have caused sensitivity in the past. A serum for sensitive skin often contains hydrating or soothing ingredients such as glycerine, panthenol and centella asiatica. Always carry out a patch test first, even with a product described as gentle.
That depends on the volume, dosage and frequency of use. A 9 ml bottle will run out sooner than a 30, 50 or 150 ml bottle. Also check the period after opening and follow the storage instructions. For Vitamin C23, the product information states that it should be refrigerated after opening and preferably used within two months.
That depends on the formulas and your skin’s tolerance. Ideally, do not use several potent active products together for the first time on the same evening. Introduce them gradually, alternate products if necessary and use sun protection during the day. If irritation persists, stop using the product and seek professional advice.
