Principia Serum Facial VC-10 Versus Timeless Skin Care 20% Vitamin C + E Ferulic Acid Serum
Updated on November 01, 2024
Overview
What they are
These products are both cruelty-free and reef safe serums. They have a total of 4 ingredients in common
Cool Features
They both contain hyaluronic acid and Vitamin C
Suited For
They're both likely to be good for anti aging, brightening skin, reducing pores, scar healing, dark spots and better texture
Free From
They both do not contain any oils, parabens, silicones or sulfates
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
Principia Serum Facial VC-10 13 ingredients
Timeless Skin Care 20% Vitamin C + E Ferulic Acid Serum 11 ingredients
About this product
About this product
At a glance
Click on any of the items below to learn more
Principia Serum Facial VC-10 13 ingredients
Timeless Skin Care 20% Vitamin C + E Ferulic Acid Serum 11 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.
You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Stay hydrated!
Learn more about WaterFerulic Acid is a plant based antioxidant. By fighting free-radicals, ferulic acid can help reduce the formation of fine lines and hyperpigmentation.
When used with Vitamin C, Ferulic Acid has shown to prevent Vitamin C from breaking down. In other words, it acts as a stabilizer.
Ferulic Acid is sometimes used to preserve food. Foods containing Ferulic Acid include: oats, rice, eggplant, citrus.
In medicine, Ferulic Acid is being studied for helping with diabetes, Alzheimer's, and cardiovascular diseases.
Learn more about Ferulic AcidEthoxydiglycol is a synthetic solvent.
Solvents are used to keep ingredients together in a product. They can help dissolve ingredients to stable bases or help evenly distribute ingredients throughout the product.
Ethoxydiglycol also helps deliver other key ingredients into the skin.
Learn more about EthoxydiglycolSodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Like hyaluronic acid, it is great at holding water and acts as a humectant. This makes it a great skin hydrating ingredient.
Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.
These are some other common types of Hyaluronic Acid:
Learn more about Sodium HyaluronateIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Principia Serum Facial VC-10 13 ingredients
Timeless Skin Care 20% Vitamin C + E Ferulic Acid Serum 11 ingredients

Reviews
Here's what our community thinks
Principia Serum Facial VC-10 13 ingredients
Timeless Skin Care 20% Vitamin C + E Ferulic Acid Serum 11 ingredients
I've tried about 5 different Vitamin C serums, and this one is by far my favorite. I've purchased it 3 times. (I started using it back when it was the dropper bottle)
My skin can tolerate higher Vit C percentages very well, so this feels like nothing on my skin. As if I was putting on water. I don't mind the ferulic acid smell (which is noticeably less now than it used to be!), because I think Show more
Too irritating for my sensitive skin but great product if you skin does tolerate it