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Medik8

Medik8 C-Tetra Advanced Gel-Serum, 20% Vitamin C, 1.0 fl oz/30 mL

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Product is rated SkinSAFE 91

Product is 91% free of the top 11 most common allergens, as determined by Mayo Clinic Research

SkinSAFE 91
Learn More About SkinSAFE Ratings
Reviewed Ingredient information last updated on Oct 25, 2025 by SkinSAFE Team

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Product is rated SkinSAFE 91

Product is 91% free of the top 11 most common allergens, as determined by Mayo Clinic Research

SkinSAFE 91
Learn More About SkinSAFE Ratings
Reviewed Ingredient information last updated on Oct 25, 2025 by SkinSAFE Team

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How Safe is It?

Product Is
91 SkinSAFE 91 Teen SAFE Talc Free Common Preservative Free Paraben Free Lanolin Free Coconut Free Topical Antibiotic Free MCI/MI Free Nickel Free Soy Free Propylene Glycol Free Dye Free SLS Free
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Ingredients

1,2-Hexanediol Acetyl Glucosamine Acetyl Zingerone Acrylates/C10-30 Alkyl Acrylate Crosspolymer AQUA (WATER) Avena Sativa (Oat) Kernel Extract Camellia Sinensis (Green Tea) Leaf Vesicles Cellulose Cellulose Gum Citral Citric Acid Citrus Grandis (Grapefruit) Peel Oil Ethylhexylglycerin Glycerin Hydroxyacetophenone Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Isododecane Limonene Linalool Phenoxyethanol Polysorbate 60 Propanediol Sodium Benzoate Sodium Hyaluronate Sorbitan Isostearate Squalane Sucrose Stearate Tetrahexyldecyl Ascorbate Tetrasodium Glutamate Diacetate TOCOPHEROL Xanthan Gum
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Description

Defend against the visible effects of premature skin aging and achieve accelerated skin brightening with a next-generation combination of 20% Vitamin C and Phyto Exosomes.Clinically proven to brighten skin and visibly improve wrinkles in 7 days* C-Tetra Advanced is engineered for visible brightening, skin smoothing, and daily antioxidant defense.

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