C E Ferulic

Published in many peer-reviewed scientific journals, C E Ferulic is a vitamin C serum formulated under the Duke Antioxidant patent. The Duke Antioxidant patent describes effective delivery of vitamin C to skin. In order for our vitamin C serum to be effective it must be formulated with pure l-ascorbic acid (vitamin C) at an acidic pH within the 2.0-3.5 pH range and have a concentration between 10-20%. 

TRIPLE ANTIOXIDANT PROTECTION FOR UP TO 48% LESS OXIDATIVE DAMAGE IN THE SKIN* FROM FREE RADICALS CAUSED BY THE INTERACTION OF UV | POLLUTION | METAL*

All SkinCeuticals antioxidant formulations have been tested in final packaging and have been confirmed to remain stable and effective for 36 months, and up to 6 months after opening. L-ascorbic acid (pure vitamin C) is known to change color with time, however oxidation is minimal in SkinCeuticals antioxidant and the formulation is proven to remain effective. 

*Measure of 4 hydroxynonenal (4HNE) lipid peroxidation marker indicative of oxidative stress. 4-day in vivo clinical study, 13 subjects. C E Ferulic applied daily vs untreated. Skin samples collected for 4HNE protein analysis at the end of study. 

Ultra Facial Defense SPF 50 

Formulated with state-of-the-art UV filters, this high protection sunscreen helps prevent UV induced collagen breakdown and UV-induced dark spots. 

 

In the morning, after cleansing, apply 4-5 drops of C E Ferulic to face, neck and chest. 

Apply Ultra Facial Defense SPF 50 just before sun exposure. Re-apply frequently and generously to maintain protection, especially after swimming, perspiring or towelling. Avoid sun exposure at peak times and take care to avoid eye area. 

In case of contact with eyes rinse immediately and thoroughly.