Can Vitamin C suspension 30% in silicone and Buffet be used together in the same routine? : Pure Vitamin C, L-Ascorbic Acid. (L-Ascorbic Acid goes bad within weeks when mixed with water). It gives dramatic results, but is very unstable. The Ordinary fixed that by removing water from the formula. What’s the texture like? Can I use the hyaluronic acid 2% + B5 after the Vitamin C suspension 30% in Silicone? The Ordinary Vitamin C Suspension 30% In Silicone (£5.80) What form of Vitamin C does it use? : Silky smooth. We suggest avoiding products contain peptides when using pure Vitamin C in your routine. I know that's not enough time to get a full picture of the product, so if this is well recieved, I'll review it again after … We’d recommend applying HA 2% + B5 before our VC 30% in Silicone for best layering. Pros of The Ordinary Vitamin C Suspension 30% in Silicone: smoother texture due to the silicones; higher vitamin C percentage (though, according to The Ordinary, this is probably comes out to be about the same concentration as the non-silicone formula, since silicones can interfere with the skin’s ability to effectively absorb vitamin C) Cons: I bought The Ordinary Vitamin C Suspension 30% in Silicone a few weeks ago and thought i'd do a review on how it is performing after a week since it's is a newer product.