When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Medik8 · British Dermatological Skincare
C-TETRA ADVANCED
20% Vitamin C.
Clinically proven in 7 days.
Most vitamin C serums oxidize before they reach your skin. Tetrahexyldecyl Ascorbate does not. Oil-soluble, inherently stable, and paired here with Phyto Exosomes for 0% barrier disruption. Suitable for every skin type including sensitive.
The Science
Vitamin C
Tetrahexyldecyl Ascorbate 20%
Stable oil-soluble form. Penetrates deeper without oxidizing or causing sensitivity.
Delivery
Phyto Exosomes
Plant-derived delivery system. 0% barrier disruption confirmed.
Protection
Acetyl Zingerone
Super-antioxidant that enhances and extends vitamin C protection.
Product Facts
Concentration 20% Stabilised THDA Size 30ml · 1.0 fl oz Skin Type All Types Including Sensitive Clinical Proof 7 Days · 31 Participants · 4 Weeks Certifications Vegan · Cruelty-Free · B Corp · Reef Safe Free From Parabens · Silicones · Sulfates · Harsh Alcohols Origin United Kingdom
Morning Routine
2 to 3 pumps across face, neck and décolletage after cleansing. Follow with moisturiser and SPF.
New to vitamin C: patch test before full application. Store away from direct sunlight.
Brand new, sealed · Ships from New Jersey · 30 day returns
For external use only. Keep out of reach of children.
