Skin Ceuticals Serum 10 has the following features:
It is a vitamin C serum formulated under the Duke Antioxidant patent which shows vitamin C deliver to skin effectively.
The serum 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%.
Helps to reinforce skin protection barrier against free radicals.
And helps to reduce the appearance of signs of aging.
Apply 4 - 5 drops to a dry face, neck, and chest once in the morning after cleansing. Apply moisturiser and then protective broad-spectrum sun protection.
It is normal for vitamin C products to darken after opening due to air and light exposure.
Any change in colour does not affect the product's efficacy.
Aqua/Water, Dipropylene Glycol, Ascorbic Acid, Glycerin, Triethyl Citrate, Ferulic Acid, Sodium Hyaluronate