Once vitamin C oxidizes, the product is essentially useless, which can unfortunately mean that quite a bit of product is wasted. This is why formulators occasionally turn to vitamin C derivatives like ascorbyl tetraisopalmitate. Our favorite Vitamin C serum is Carrot & Stick The Defence Serum. It contains 3 distinct types of Vitamin C that work Clarins Double Serum Reviews. Clarins Double Serum reviews on the brand’s website are a mix of positive and negative, with the product receiving an average rating of 4.2 out of 5 stars after nearly 9,000 customer reviews. Positive Clarins Double Serum reviews mention that it moisturizes well and helps the skin to look smooth, firm, and dewy. Regenacalm 2% Retinol and Vitamin C Serum The FaceTheory Retinol and Vitamin C Serum is the brand’s best selling serum. It is formulated with retinol ester (2%), vitamin C, and hyaluronic acid to target many different skin concerns, including fine lines, wrinkles, blemishes, acne scars, rosacea, and hyperpigmentation. The Minimalist 16% Vitamin C Serum is highly popular for giving you glowing and radiating skin. This results-driven serum is powered by a stabilized Vitamin C derivative known as Ethyl Ascorbic Acid; it is 86% pure form of Vitamin C. Inclusion of vitamin E & ferulic acid together improves Vitamin C’s efficacy. Mad Hippie Reviews. Mad Hippie reviews on the brand’s website are extremely positive, with nearly all products receiving 4 or 5 star ratings. Positive reviews for the Mad Hippie Vitamin C Serum mention that this serum helps with acne and acne scars while promoting soft, glowing, dewy skin. Other Mad Hippie reviews mention that this serum . This top-rated Murad Vitamin C Glycolic Brightening Serum ($27-$82) uses three different forms of vitamin C to brighten skin, but it adds in glycolic acid to help them penetrate more effectively Vibriance Super C Serum also contains vitamin E, which is great because vitamins C and E are known as “network antioxidants”. As a publication in the journal Dermatologic Therapy explains, “because vitamin C regenerates oxidized vitamin E, the combination in a cosmeceutical formulation is synergistic — particularly in UV protection.”. La Roche-Posay Pure Vitamin C 10 Serum. The best Vitamin C serum for sensitive skin. Specifications. RRP: $39.99/£38. Vitamin C: 10%. Key ingredients: Hyaluronic acid, salicylic acid. More Vitamin C serums that I also recommend. If you’re outside of the UK, this serum may be a little hard to get hold of. Here are some more affordable Vitamin C serums that I also recommend: Beauty Bay SkinHit Brightening Serum (£6.50) Beauty Pie Superactive Capsules Pure Double Vitamin C & Vitamin E Serum – £11.09 (with membership) Find helpful customer reviews and review ratings for REVOX B77 JUST Vitamin C Serum for Face –More Powerful Anti-Ageing Serum with 20% Vitamin C - Reduces Wrinkles, Lines & Aging – Restores & Boosts Collagen For Faster Results – 30 ml Bottle at Amazon.com. Read honest and unbiased product reviews from our users.

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