BRAND: THE ORDINARY However, many forms of Vitamin C and many more formulations of Vitamin C are available commercially with a potential to confuse the audience. Find helpful customer reviews and review ratings for The Ordinary Vitamin C Suspension 30% in Silicone 30ml at Amazon.com. Vitamin C is an effective antioxidant and Lately it seems that every new product contains vitamin C, so I wanted to try this one and give you my opinion on this Vitamin C Suspension 23% + HA Spheres 2%. See 13 member reviews and photos. Topical Vitamin C offers a wide array of benefits to the skin. See 170 member reviews and photos. A water-free, Silicone-Free Stable Suspension. We have developed a guide that offers guidance on the formulations of Vitamin C offered under The Ordinary … Deciem The Ordinary Vitamin C Suspension 30 in Silicone: rated 4 out of 5 on MakeupAlley. The Ordinary Vitamin C Suspension 23% + HA Spheres 2% Review. Read honest and unbiased product reviews from our users. Deciem The Ordinary Vitamin C Suspension 23% + HA Spheres 2%: rated 3 out of 5 on MakeupAlley. This one is a vitamin C and hyaluronic acid based booster, those two being great active ingredients with antioxidant and antiaging properties.