Vitamin C Serum Best Sellers

Best-selling products are popular for a reason; they offer value to the consumer and have been demonstrated to be effective. Word of mouth travels fast and a product is unlikely to remain on the list if it has a large number of negative reviews and lack of repeat sales. From our reviews we’ve noticed a commonality in best-selling serums on Amazon; high levels of ascorbic acid at very affordable prices. Here are some of the top sellers.


Oz Naturals 20%

It’s easy to see why Oz Naturals is one of Amazon’s top sellers due to its affordable price and organic ingredients. This product features a 20% L-ascorbic level which is quite a significant amount, especially for the price. Designed to provide maximum protection against the sun’s rays and free radicals in order to preserve the skin’s health and radiance. Regular use will result in smoother skin and even skin tone.

Avalon Organics is cruelty free and made in the United States without alcohol, parabens or sulfates. It is safe for all skin types.  Oz Naturals Vitamin C has also been features in Allure Magazine’s Best in Beauty serum. With over 2,800 reviews on Amazon, Oz Naturals is one of the top selling serums on the market.

Get Oz Naturals Vitamin C 20% at Amazon

InstaNatural Vitamin C Serum 20%

With an extremely affordable price point (one of the most affordable we’ve reviewed so far) with a boatload of quality ingredients it’s not hard to see why InstaNatural is such a top seller. High quality ingredients generally found in more expensive products include hyaluronic acid, ferulic acid, Vitamin E, Rosehip oil, Sea Buckthorn oil, Argan oil, plant stem cells and carrot seed oil.

All of the ingredients work together to boost collagen production and decrease the appearance of fine lines.  Some users have also noted a reduction in pore size with regular use. The company offers a 100% satisfaction guarantee.

Get Insta Natural Advanced Formula Here

Amara Organics

Amara Organics offers a 20% formula at an extremely affordable price point. Ingredients include hyaluronic acid + Vitamin E. This formula brightens and smooths skin for a more radiant and youthful appearance. Vit c protects the skin from UVA/UVB rays and helps to reverse past sun damage including hyperpigmentation and brown spots. Some users have noted a reduction in acne scars and pore size with regular use. This product does not contain any parabens, sulfates or alcohol and the company does not conduct any animal testing.

Get Amara Organics Vitamin C Serum for Face 20% – With Vegan Hyaluronic Acid & Vitamin E

Azure Naturals

Azure Naturals offers one of the stronger concentrations of L-ascorbic acid products with 22% Vit C, 11% hyaluronic acid, 1% Vitamin E & 1% Ferulic Acid. Additional skin nourishing ingredients include organic aloe and jojoba oil. This product is made in the U.S.A with 98% natural and 72% organic ingredients. Most users should notice a noticeable improvement in skin’s texture and tone after 30 days of consistent use.

Get 22% Azure Naturals Here

Valentia Even Glow 20%

Valentia offers a 20% formula with a host of skin boosting ingredients including rosehip oil, sea buckthorn oil, green tea extract, hyaluronic acid and plant stem cells. This product gets rid of dark spots and smooths the skin with essential fatty acids. Organic rosehip works with Vit C in order to boost collagen production for a more supple complexion. With consistent use hyperpigmentation and discoloration will lessen for a more even flawless look.

Get Valentia Even Glow 20% C Here

Serumtologie  C 22%

Serumtologie C Serum is one of the stronger formulations around with 22% of Vit C.  It also contains 5% hyaluronic acid, 1% Vitamin E and 1% Ferulic acid. The ferulic acid content twice the amount found in Skinceuticals C E.  Serumtologie is designed to protect against sun damage, reduce existing sun damage and lines and boost collagen production. Serumtologie contains Sodium Ascorbyl Phosphate which will not cause irritation despite its high concentration.  The high level of hyaluronic acid works to boosts skin’s hydration levels and helps to maintain its elasticity.

Get Serumtologie® C serum º22 -Max Anti Aging 22% Vitamin C serum