CUSKIN Vitamin U Serum – Hydrating Soothing Facial Serum

46,19 €

A hydrating facial serum for skin that feels tight, lacks comfort, or looks tired, helping to maintain a more hydrated, smoother, and more elastic-looking complexion. CUSKIN Vitamin U Serum features methylmethionine, enriched with niacinamide, moisture-binding ingredients, amino acids, and peptides. Its rich, silky texture spreads easily and fits seamlessly into your daily skincare routine.

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SKU: 8809207220424 Category: Serums Tags: calming effect, daily use, dry skin, hydration, sensitive skin, serumas, skin barrier

CUSKIN Vitamin U Serum – a peptide serum that supports skin hydration and comfort

CUSKIN Vitamin U Serum is a 60 ml facial serum created for skin that feels tight after cleansing, easily loses its sense of comfort, or looks tired from everyday environmental stressors. Its central concept is vitamin U, known in cosmetics as methylmethionine: CUSKIN associates this ingredient with its Vitamin U skincare line, focused on promoting a more hydrated, smoother, and more elastic-looking complexion. Rather than an intensive treatment serum, it is a richer daily step that combines hydration with support for the skin barrier.

Vitamin U – the foundation of the line, enhanced with peptides

At the heart of the formula is methylmethionine, associated with cruciferous vegetables such as cabbage and broccoli. CUSKIN has developed a patented cosmetic formula around this ingredient, so vitamin U is more than just part of the product name. It is complemented by niacinamide, moisture-binding ingredients, amino acids, and several peptides. The formula is designed not only to hydrate the skin, but also to leave it looking smoother, plumper, and more revitalized.

Methylmethionine, or vitamin U: the key ingredient of the line, helping support skin comfort and the appearance of a smoother texture.
Hydration system: glycerin, sodium hyaluronate, and polyglutamic acid help maintain a hydrated skin feel for longer while reducing the discomfort associated with dryness.
Peptides and amino acids: palmitoyl pentapeptide-4, oligopeptides, copper polypeptide, and histidine complement the formula’s focus on supporting a firmer, smoother-looking complexion.

The serum has a somewhat rich yet smooth texture that spreads easily and adheres to the skin without leaving a heavy creamy film. Once absorbed, it leaves the skin feeling softly hydrated and comfortable, making it a natural step between toner and moisturizer. Its subtle floral scent and pump packaging reinforce its neat, everyday-serum character. It will appeal most to those who value consistent hydration and gentle daily support rather than an aggressive active-ingredient regimen.

Usage

After cleansing and toning the face, apply 2–3 drops of serum to the skin of the face and neck, then gently pat until fully absorbed. Use in the morning and/or evening, and during the day additionally apply broad-spectrum sun protection. Avoid contact with the eyes; if contact occurs, rinse immediately with plenty of water. Before first use, test a small amount on a small area of skin.

Ingredients

Purified Water, Glycerin, Butylene Glycol, 1-2-Hexanediol, Niacinamide, Methyl Methionine (50 ppm), Dipeptide Diaminobutyroyl Benzylamide Diacetate, Ceramide NP, Polysorbate 20, Lecithin, Alanine/Histidine/Lysine Polypeptide Copper HCl, Oligopeptide-1, Palmitoyl Pentapeptide-4, sh-Oligopeptide-1, Adenosine, Sodium Hyaluronate, Polyglutamic Acid, Dehydroxanthan Gum, Belamcanda Chinensis Root Extract, Hydrolyzed Corn Protein, Hydrolyzed Wheat Protein, Hydrolyzed Soy Protein, Arginine, Carbomer, Dipotassium Glycyrrhizate, Hydrogenated Phosphatidylcholine, Allantoin, Ethylhexylglycerin, Hydroxyethylcellulose, Hydrogenated Lecithin, Methionine, Serine, Histidine, Polyglyceryl-10 Laurate, Fragrance

_{The manufacturer is responsible for the product’s ingredients. Due to possible changes, we always recommend checking the ingredient list directly on the packaging.}

Additional information

Quantity: No selection	60ml
Country of origin: No selection	South Korea
Manufacturer: No selection	CUSKIN Co., Ltd.
Manufacturer’s website: No selection	https://cuskin.com/
Manufacturer’s address: No selection	151 Osongsaengmyeong 10-ro, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 28164, Republic of Korea
Manufacturer’s email: No selection	info@cuskin.com
Manufacturer’s phone number: No selection	+82-70-7599-1051, +82-70-4398-8704, +82-2-511-4288, 1644-8864
EU responsible person: No selection	Yjn Europe s.r.o.
EU responsible person’s address: No selection	6F, M.R. Stefanika, 010 01 Zilina, Slovakia
EU responsible person’s email: No selection	yjneurope@gmail.com

Brand

CUSKIN

CUSKIN cosmetics

CUSKIN – a skincare line based on dermatological expertise, consistent assessment of skin condition, and a clinical approach. The brand is associated with the “CU CLEAN-UP Medical Team” and the “Clean-Up Dermatology Clinic”, so its products are developed with a focus not on short-term aesthetic results, but on targeted care that responds to individual skin needs. The formulas are adapted to various skin conditions and concerns: a weakened protective barrier, dehydration, increased sensitivity, uneven skin tone, excess sebum, or a tendency toward breakouts. From CUSKIN’s perspective, the value of a cosmetic product is determined not only by how it feels during use, but also by the formula’s tolerability, clearly defined purpose, and dermatological rationale. CUSKIN kosmetika Lietuva kaina

A dermatological approach and specialist involvement

One of the most important aspects of the brand’s work is its collaboration with specialists from the “Clean-Up Dermatology Clinic”. The team of dermatologists contributes to evaluating the effects of products on skin condition and analyzes the suitability of formulas for different skin types and needs. This process helps create products intended for regular, physiologically sound skincare.

Dermatological evaluation. Product effects and suitability are analyzed with consideration for different skin conditions.
A clear purpose. Formulas are developed for specific skin needs, not merely for a short-term aesthetic result.
Regular use. The tolerability of products and their suitability for a daily routine are assessed.

The Cosmetic line and formula balance

An important part of the CUSKIN range is the “Cosmetic” line, designed to help maintain healthy, comfortable, and well-cared-for skin. The formulas combine selected active ingredients with ingredient complexes developed by the brand. What is evaluated is not only the amount of active substances, but also the balance of the entire formula: texture, stability, tolerability on the skin, and suitability for regular use. This approach is important because, in practice, the effectiveness of active ingredients also depends on their compatibility with the product’s overall formula and the individual condition of the skin. CUSKIN kosmetika Lietuva kaina

Research and manufacturing standards

Products are developed at the “Skin Science Research Center” – CUSKIN’s research and development center. Formula testing is carried out here, ingredient interactions are analyzed, patented components are created, and product properties are assessed. This method is relevant for consumers looking for a clearly defined product purpose, a well-founded choice of ingredients, and a coherent formula logic. CUSKIN products are manufactured at the “CLEAN-UP Manufacturing Center”, which operates according to CGMP, or good cosmetic manufacturing practice, standards. Controlled manufacturing processes help ensure formula stability, consistent quality, and safe product use.

Who CUSKIN care is intended for

When choosing CUSKIN products, it is important to assess the individual condition of the skin, the active ingredients already being used, and the entire daily care routine. This is a brand for people who value a dermatological approach, clearly defined product purposes, and skincare based on clinical logic.