Benefits

Broad-Spectrum Protection: Offers maximum UV defense with SPF 50+ and PA++++ ratings to block both UVA and UVB rays.

Skin Repair & Regeneration: Features CUSkin’s patented Vitamin U (Methylmethionine), which supports skin cell regeneration, improves elasticity, and helps repair damaged skin.

Anti-Aging & Firming: Enriched with a complex of 6 peptides and Volufiline to visibly reduce fine lines, improve skin density, and enhance firmness.

Soothing & Calming: Contains Vitamin B12 (which gives the serum its natural pink hue) and Panthenol to soothe redness, irritation, and symptoms of rosacea or dermatitis.

Deep Hydration: Formulated with a multi-molecular Hyaluronic Acid complex to provide long-lasting moisture and strengthen the skin’s lipid barrier.

Brightening: Includes Niacinamide to even out skin tone, reduce the appearance of pigmentation, and refine pore size. 

Serum-Like Texture: A lightweight, non-greasy formula that absorbs quickly without leaving a white cast or sticky residue.

Modern Filters: Uses five photostable, new-generation chemical filters for reliable daily protection.

Ocean Friendly: Labeled as reef-safe and poses no threat to marine ecosystems.

Suitable for All: Ideal for all skin types, especially sensitive, aging, or dehydrated skin.

 

Recommended Skin Types and Concerbs

Sensitive Skin: Its hypoallergenic formula includes soothing agents like Vitamin U and Centella Asiatica to calm redness and irritation.

Oily and Combination Skin: The serum has a lightweight, non-greasy, and breathable texture that absorbs quickly without leaving a sticky residue.

Dry Skin: Enriched with hyaluronic acid and panthenol, it provides deep, long-lasting hydration to prevent moisture loss.

Aging/Mature Skin: It targets skin with prominent wrinkles or sagging by using a complex of peptides to support collagen synthesis. 

Anti-Aging & Elasticity: Features patented Vitamin U (Methylmethionine) and a 6-peptide complex that enhance skin density, reduce the appearance of wrinkles, and stimulate cell regeneration.

Sun Damage & Protection: Provides broad-spectrum SPF 50+ PA++++ protection using chemical UV filters to prevent photodamage and free radical damage.

Dullness & Uneven Tone: Contains Niacinamide and Vitamin B12 (Cyanocobalamin) to brighten the complexion, even out skin tone, and support the skin barrier.

Irritation & Redness: Uses Panthenol and Allantoin to soothe damaged skin cells and restore the hydro-lipid balance.

 

Active Ingredients

Vitamin U (Methylmethionine): A patented amino acid complex derived from cruciferous vegetables like broccoli. It is the star ingredient for skin regeneration, improving elasticity, and soothing inflammation.

Cyanocobalamin (Vitamin B12): Known as the “pink vitamin,” it gives the serum its natural pink hue. It helps soothe redness, control sebum, and brighten the complexion.

Volufiline (Anemarrhena Asphodeloides Root Extract): An innovative ingredient that helps increase skin firmness and density, providing a plumping effect. 

Complex of 6 Peptides: Includes Hexapeptide-9, Copper Tripeptide-1, and others to support collagen synthesis and visibly reduce fine lines.

Adenosine: A functional ingredient that improves cell turnover and helps smooth the appearance of wrinkles.

Allantoin: Provides additional anti-inflammatory and soothing benefits for sensitive skin.

Advanced Sun Protection (5 Photostable Filters) 

The serum uses high-level, broad-spectrum chemical filters: 

Uvinul T 150 (Ethylhexyl Triazone): Strong UVB protection.

Mexoryl XL (Drometrizole Trisiloxane): Broad-spectrum UVA and UVB.

Tinosorb S (Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine): Highly photostable UVA and UVB filter.

Mexoryl SX (Terephthalylidene Dicamphor Sulfonic Acid): Targets short UVA rays.

Uvinul A Plus (Diethylamino Hydroxybenzoyl Hexyl Benzoate): Dedicated UVA protection. 

10 Types of Hyaluronic Acid: A multi-molecular complex that provides deep, long-lasting hydration by attracting moisture to different layers of the skin.

Panthenol (Vitamin B5): Acts as a moisture magnet to soothe dry skin and strengthen the skin’s natural barrier.

Niacinamide (Vitamin B3): Brightens the skin, smooths texture, and helps regulate oil production. 

 

How to Use

Start with a cleansed and toned face.

Apply an appropriate amount evenly over your face and neck. It is recommended to apply it 20–30 minutes before sun exposure to allow full absorption.

Gently pat the skin lightly to help the serum sink in.

Reapplication: If you are outdoors, swimming, or sweating, reapply every 2–3 hours for continuous protection. 

Use this as the last step of your routine, after your moisturizer and before any makeup.

 

Precautions

Before use, perform a patch test on the back of your hand to check for possible allergic reactions. Keep out of reach of children, away from direct sunlight, at room temperature. In case of contact with eyes, rinse with water. If an allergic reaction occurs, discontinue use and consult a doctor.

 

* This description was created by AI as part of the brand’s information system. If you are unsure about the product’s accuracy, you may be forced to produce errors. Please verify the product details independently.

Weight0.085 kg
Dimensions8 × 8 × 3 cm
Skin type

Age-related changes, All skin types, Combination skin, Dehydrated skin, Dry skin, Normal skin, Oily skin, Pigmentation/Post-acne/Age spots, Problem Skin/Acne, Sensitive skin, Rosacea

Ingredients

Adenosine, Hyaluronic Acid, Peptides, Vitamin B12 (Cyanocobalamin), Vitamin U, Volufiline

Country

South Korea

Объем

Persona responsable en Europa y dirección:
AK Biocosmetics GmbH, Postfach 14, 2103 Langenzersdorf, Austria
Correo electrónico de la persona responsable:
contact@akbiocosmetics.com
Sitio web de la persona responsable:
www.akbiocosmetics.com
Número CPNP de la persona responsable:
4690000
FABRICANTE: Nombre: CUSKIN Co., Ltd., Dirección: Osongsaengmyeong10-ro, 151, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do, KR, Información de contacto: E-mail: oem@cuskin.co.kr, Phone: 827075991061
Precauciones PIF: Solo para uso externo y en adultos. Evitar el contacto con los ojos y los labios. Suspender el uso y acudir al médico si se produce algún efecto no deseado. Debido a su origen natural, el color del producto puede variar sin que ello afecte a su calidad.

El fabricante puede cambiar la composición sin notificarnos. La lista completa y actualizada de ingredientes la encontrarás en el envase del producto. Water, Dibutyl Adipate, Ethylhexyl Triazone, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Propanediol, Terephthalylidene Dicamphor Sulfonic Acid, Niacinamide, Drometrizole Siloxane, Tromethamine, 1,2-Hexanediol, Methyl Methacrylate Crosspolymer, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Acrylates Alkyl Acrylate/C10-30 Crosspolymer, Ammonium Acryloyldimethyltaurate/VP Copolymer, Cetearyl Alcohol, Carbomer, Potassium Cetyl Phosphate, Vinyl Dimethicone, Behenyl Alcohol, Caprylyl Methicone, Polyacrylate Crosspolymer-6, Stearyl Alcohol, Hydrogenated Polyisobutene, Polyglyceryl-10 myristate, Allantoin, Ethylhexylglycerin, Perfumery Water, Phytosterols, Adenosine, Glyceryl Stearate, Hydrogenated Lecithin, Caprylic/Сapric Triglyceride, Butylene Glycol, Cyanocobalamin, Glycerin, Methylmethionine, Panthenol, Polyglyceryl-10 Laurate, Tocopherol, Caprylyl Glycol, Anemarrhena Asphodeloides Root Extract, Sodium Hyaluronate, Copper Tripeptide-1, Hexapeptide-11, Hexapeptide-9, Palmitoyl Pentapeptide-4, Palmitoyl Tripeptide-1, Tripeptide-1, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Hydroxypropyltrimonium Hyaluronate, Potassium Hyaluronate, Sodium Hyaluronate Crosspolymer, Pentylene Glycol, Acetylated Sodium Hyaluronate

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CU Skin Vitamin U Sun Serum SPF 50+ PA++++, 50g

CU Skin Vitamin U Sun Serum SPF50+/PA++++ is a high-protection, multi-functional hydrating sunscreen featuring 5 modern chemical filters designed to provide high-level UV protection while acting as a concentrated anti-aging serum.

4 in stock

30.50
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4 in stock

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