The Best Vitamin C Serum On the Market

Wednesday, October 4, 2017

Three Vitamin C serums. Three will give you real results. Two will likely put a dent in the beauty budget. One will surpass all expectations.


Today, I want to take a look at Vitamin C serums from SkinCeuticals, Obagi, and Seoul Ceuticals. I have personally tried all three. One is perfection in a cobalt glass bottle.






Comparing Vitamin C Serums


SkinCeuticals C E Ferulic Serum - $165 (1 ounce), 15% Vitamin C, 1% Vitamin E, and 0.5% Ferulic Acid -- Water, Ethoxydiglycol, Ascorbic Acid, Glycerin, Propylene Glycol, Laureth-23, Phenoxyethanol, Tocopherol, Triethanolamine, Ferulic Acid, Panthenol, Sodium Hyaluronate

Obagi Professional C Serum  - $115.50 (1 ounce), 20% Vitamin C - Propylene Glycol, Water, L-Ascorbic Acid, Alcohol, Ascorbyl Glucoside, Ethoxydiglycol, Phenoxyethanol, Sorbitol, Sodium Hyaluronate, Zinc Chloride, Calcium Hydroxide, Fragrance

Seoul Ceuticals Day Glow Serum - $15.75 (1 ounce, price is from 10/3/17 on Amazon), 20% Vitamin C, Also contains Vitamin E and Ferulic Acid -- (98% Naturally Derived /72% Organic) Ingredients: Deionized Aqua (Water), Organic Aloe Barbadensis Leaf (Aloe), Sodium Ascorbyl Phosphate (Vitamin C), Methylsulfonylmethane (MSM), Cassia Angustifolia Seed Polysaccharide (plant-derived hyaluronic acid), Hamamelis Virginiana (Witch Hazel), d-Alpha Tocopheryl Acetate (Vitamin E), Carbomer, Arginine, Ferulic Acid, Citrus Stem Cells, Kosher Vegetable Glycerin, Organic Simmondsia Chinensis (Jojoba Oil), Phenoxyethanol, Ethyl Hexyl Glycerin, Organic Centella Asiatica (Gotu Kola Extract), Organic Equisetum Arvense (Horsetail Plant Extract), Organic Pelargonium Graveolens (Geranium Extract), Organic Taraxacum Officinale (Dandelion Extract)


Which Vitamin C Serum is Best?


I have personally tried all three of the Vitamin C serums, most recently purchasing the Seoul Ceuticals Day Glow Serum. All are of a similar consistency. All absorb quickly. One stands out for its stellar ingredients, lack of anything questionable, and added beneficial ingredients. That is the Seoul Ceuticals. I am blown away by the quality and the efficacy for this price point.


There are similarities among the 3:

  • All contain water and a form of Hyaluronic Acid.
  • All are in the proper types of bottles. Vitamin C needs to be stored in dark glass to prevent oxidation. All three meet the criteria.
  • All are safely preserved with Phenoxyethanol, necessary for a water-based product.
  • All contain a STABLE form of Vitamin C. 
  • Two of them contain 20% Vitamin C (stabilized), and one contains 15%.

There are also vast differences:

  • The first two serums contain Propylene Glycol. In fact, it is the very first ingredient (meaning most abundant) in the Obagi.
  • There is Triethanolamine in the SkinCeuticals.
  • Obagi uses artificial fragrance, as opposed to the Seoul Ceuticals. That cheery citrus scent is courtesy of Citrus Stem Cells and other natural extracts.
  • The PRICE. For real, friends, those first two serums are less impressive than the $15.75 one and are over $100 a bottle for the SAME SIZE product.


The Best Vitamin C Serum

No contest here -- the best is the Seoul Ceuticals Day Glow Serum. I can tell you that this serum from Seoul Ceuticals is nearly identical in texture and performance to the high end serums mentioned earlier. 

I apply it every AM between my toner and moisturizer and it is so lightweight that even those of you with super oily skin will love it.

It is quick absorbing and leaves skin with renewed radiance. The ingredients are outstanding, from the high concentration on Sodium Ascorbyl Phosphate (Vitamin C) to the other beneficial ingredients, which you'll see a bit more about below. Plus, the citrus stem cells give it a fresh orange aroma and the lightweight consistency feels absolutely esxquisite on the skin. Your skin will drink it up. It is my favorite Vitamin C Serum in ANY price range.


Skin Benefits of Sodium Ascorbyl Phoshphate (Vitamin C)



  • The Vitamin C present in the Seoul Ceuticals Day Glow Serum (Sodium Ascorbyl Phosphate) is a STABLE form of the vitamin C, which is CRUCIAL. 
  • This form of Vitamin C (S.A.P.) is also a solid antioxidant, helping to neutralize free radical damage.
  • S.A.P. can interfere with melanin, helping to prevent and minimize brown spots and hyperpigmentation issues.
  • S.A.P. can increase collagen synthesis.
  • S.A.P. is skin penetrating. Not all forms can penetrate the skin, rendering them not nearly as effective.

10 Other Beneficial Ingredients in Seoul Ceuticals Day Glow Serum

  • MSM - This organic sulfur compound is an ingredient which is essential for collagen production. 
  • Cassia Angustifolia Seed Polysaccharide - This is the botanical form of Hyaluronic Acid. HA can hold up to 1000 times its weight in water, making it the best choice for hydration and skin plumpness.
  • Alpha Tocopheryl Acetate - A stable form of antioxidant Vitamin E. It offers protective benefits and is a natural skin conditioner.
  • Arginine - This is believed to have skin regenerating effects. It is a naturally occurring amino acid and is known for its wound healing benefits.
  • Ferulic Acid - A plant based, bran-derived antioxidant. It is wonderful paired with Vitamins C and E, as it enhances their stability.
  • Jojoba Oil - Actually not an oil, but rather an ester, this can mimic skin sebum and essentially draw the excess oil out without causing dryness.
  • Gotu Kola Extract -Also known as Indian Pennywort, Gotu Kola contains an abundance of phytochemicals to heal the skin and prevent the signs of aging.
  • Horsetail Plant Extract -NO, this is not from a horse's tail. I have read that on other blogs before and it makes me cringe. EEK! This is a plant, also known as Shave Grass. Horsetail is anti-inflammatory and anti-bacterial, making it an excellent choice for acne and other skin conditions. 
  • Geranium Extract - This has astringent properties and is known for its ability to reduce the appearance of wrinkles.
  • Dandelion Extract - Naturally rich in antioxidants, this is a skin rejuvenating and cleansing ingredient to help keep pores clear of acne-causing bacteria.


You will NOT be disappointed in this serum!
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