COSRX The Vitamin C 13 Serum is a high-potency yet gentle vitamin C serum designed to revitalise dull, uneven skin while remaining suitable for sensitive skin types. Featuring 13% pure ascorbic acid in a stabilised double-layer formula, this serum helps fade acne scars, boost radiance, and defend against environmental stress.
This daily-use serum offers up to 120 hours of antioxidant protection, helping to reduce melanin production and signs of early ageing — all without the usual irritation that comes with strong vitamin C.
What it does:
Brightens dull skin and boosts radiance
Fades acne scars and dark spots
Helps improve skin tone and elasticity
Provides long-lasting antioxidant protection
Calms and hydrates with soothing ingredients
How to use:
After cleansing and toning, apply a few drops to dry skin. Gently pat to absorb, then follow with moisturiser. Use morning or night. Always apply sunscreen during the day when using vitamin C.
Online Review:
"Visible results without the sting"
I’ve tried other vitamin C serums before but always gave up due to irritation or weird smells. This one is different. It feels light, sinks in fast, and didn’t irritate my sensitive skin at all. It’s a keeper.
Key Ingredients:
Ascorbic Acid (13%) – A potent form of vitamin C that blocks melanin, reduces pigmentation, promotes collagen production, and protects against oxidative stress
Tocotrienol (Super Vitamin E) – A powerful antioxidant 50x more effective than standard tocopherol; helps with fine lines and cellular repair
Hyaluronic Acid – Provides deep hydration and improves skin suppleness
Allantoin – Soothes irritated skin and enhances antioxidant effects
Full Ingredients List:
Ascorbic Acid (13%), Water, Dipropylene Glycol, Butylene Glycol, 1,2-Hexanediol, Propanediol, Caprylyl Methicone, Tocotrienol, Allantoin, Sodium Hyaluronate, Polyglyceryl-10 Laurate, Polyglyceryl-10 Myristate, Ethylhexylglycerin, Adenosine, Panthenol, Hydroxyethylcellulose, Disodium EDTA
Skin Types:
Suitable for all skin types, including sensitive skin
Size: 20ml
Order by 2pm weekdays, and get fast next business day delivery to 180 towns and cities across NZ
Click and Collect Store located at 7 Camp Street, Trentham, Upper Hutt, NZ.