COSRX 13% Vitamin C Serum with E & HA: Brightening, Hydrating for Dark Spots & Uneven Skin, 0.67fl.oz/20ml, Vegan & Korean Skincare

Recommended Patch Test: Before applying to your face, perform a patch test on your body due to the serum's high concentration of Pure Vitamin C (Ascorbic acid).

Infused with Science: Formulated with 13% Pure Vitamin C (Ascorbic acid), 1% Super Vitamin E (Tocotrienol), and Hyaluronic Acid, this lightweight serum promises even skin tone and visible improvements in fine lines. Clinical trials show:

• 19% increase in skin elasticity after 4 weeks
• 113% better skin texture immediately post-application
• 16% reduction in pigmentation after 4 weeks
• 20% decrease in skin roughness after immediate use

The Power of C: The Vitamin C 13 Serum boasts exceptional antioxidant effects lasting up to 120 hours (5 days), according to a clinical test. A satisfaction survey of 20 women aged 30-65 reported 100% satisfaction with hydration, skin texture enhancement, and luminosity.

Advanced Skincare Duo: Elevate your routine with the Advanced Snail 96 Essence and Vitamin C 13 Serum. Begin with snail mucin-rich 96% (Snail Secretion Filtrate) essence, then seal in its benefits with 2-3 drops of the vitamin serum, massaging gently.

Key Features: - Moisturizing: Nourishes and repairs dark spots - Brightening: Enhances hydration and minimizes pores - Anti-Aging: Fights fine lines and wrinkles

Ingredients at Work: - Snail Mucin 96% (Snail Secretion Filtrate): A powerful anti-aging ingredient - Pure Vitamin C 13% (Ascorbic Acid): Promotes radiant, youthful skin

Usage Tips: Shake well before use, apply 2-3 drops daily, and pair with SPF 30+ during the day. Suitable for under-eye application but avoid direct eye contact. Optimize storage by refrigerating to prevent oxidation.

COSRX Commitment: Crafted with gentle, dermatologist-tested ingredients, COSRX products cater to sensitive skin, are hypoallergenic, cruelty-free, and free of parabens, sulfates, and phthalates.

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