Here's our complete breakdown comparing the ingredients, attributes, and more of Obagi Professional-C Serum 20% versus Alastin C-Radical Defense Antioxidant Serum .
Last updated on August 23, 2023. Published on February 15, 2024
Overview
What they are
These products are both reef safe serums. They have a total of 2 ingredients in common
Cool Features
They both contain Vitamin C
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin, scar healing, dark spots and better texture
Free From
They both do not contain any common allergens, parabens, silicones or sulfates
What's Inside
They both contain fragrances
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that need an update? Let us know.
Price
Ingredient Info
Obagi Professional-C Serum 20% 12 ingredients
Alastin C-Radical Defense Antioxidant Serum 43 ingredients
Contains Alcohol
Ingredients in this product that are types of alcohol:
Silicon Free
This product is free of silicons 🎉
Contains Fragrance
Ingredients in this product that are forms of fragrance:
Sulfate Free
This product is free of sulfates 🎉
Paraben Free
This product is free of parabens 🎉
Oil Free
This product is free of oils 🎉
Malassezia Safe
This product is free of malassezia feeding ingredients 🎉
Reef Safe
This product is free of ingredients that damage reefs 🎉
EU Allergen Free
This product is free of EU allergens 🎉
Non Vegan
This product is not vegan 😥
Not Cruelty Free
This product is not cruelty-free 😥
Alcohol Free
This product is free of harsh alcohols 🎉
Silicon Free
This product is free of silicons 🎉
Contains Fragrance
Ingredients in this product that are forms of fragrance:
Sulfate Free
This product is free of sulfates 🎉
Paraben Free
This product is free of parabens 🎉
Contains Oils
Ingredients in this product that are types of oil:
Not Malassezia Safe
Ingredients in this product that are not malassezia safe:
Reef Safe
This product is free of ingredients that damage reefs 🎉
EU Allergen Free
This product is free of EU allergens 🎉
Non Vegan
This product is not vegan 😥
Cruelty Free
This product is cruelty-free 🎉
At a glance
Click on any of the items below to learn more
Obagi Professional-C Serum 20% 12 ingredients
Alastin C-Radical Defense Antioxidant Serum 43 ingredients
Notable Ingredients
This product contains 2 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
Benefits
This product contains 1 ingredient that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 2 ingredients that may have this attribute:
Concerns
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 3 ingredients that may have this attribute:
Notable Ingredients
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 2 ingredients that may have this attribute:
Benefits
This product contains 5 ingredients that may have this attribute:
This product contains 4 ingredients that may have this attribute:
This product contains 4 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 4 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 4 ingredients that may have this attribute:
Concerns
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
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Join SkinSortIngredients Compared
Ingredients that are highlighted in purple are present in both products.
Obagi Professional-C Serum 20% 12 ingredients
Alastin C-Radical Defense Antioxidant Serum 43 ingredients
Water • Caprylic/Capric Triglyceride • Glycerin • Sodium Acrylates Copolymer • Sodium Ascorbate • Ectoin • Carnosine • Ubiquinone • Lactoferrin • Physalis Angulata Extract • Centella Asiatica Extract • Ergothioneine • Dunaliella Salina Extract • Zingiber Officinale Root Extract • Olea Europaea Leaf Extract • Tremella Fuciformis Sporocarp Extract • Camellia Sinensis Leaf Extract • Punica Granatum Extract • Bisabolol • Squalane • Betaine • Cetyl Palmitate • Lecithin • Propanediol • C12-15 Alkyl Benzoate • Mannitol • Phosphatidylcholine • Lauryl Glucoside • Polyglyceryl-10 Laurate • Xanthan Gum • Cetyl Alcohol • Sodium Lauroyl Lactylate • Tocopheryl Acetate • Tocopherol • Helianthus Annuus Seed Oil • Phenoxyethanol • Potassium Sorbate • Ethylhexylglycerin • Caprylhydroxamic Acid • Sodium Benzoate • Caprylyl Glycol • Lactic Acid • Citric Acid
Ingredients Side-by-side
Ingredients that are highlighted in purple are present in both products.
Learn more about what what Com. / Irr. ratings are
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. Talk about multi-purpose! If you see this, drink a glass of water. Stay hydrated!
Learn more about WaterObagi Professional-C Serum 20% contains this as ingredient number 2.
Alastin C-Radical Defense Antioxidant Serum contains this as ingredient number 1.
Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent germ and microbial growth. By itself, it has a scent that is similar to that of a rose.
It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.
Obagi Professional-C Serum 20% contains this as ingredient number 7.
Alastin C-Radical Defense Antioxidant Serum contains this as ingredient number 36.
Here's what our community thinks of the ingredients in these two products.
Obagi Professional-C Serum 20% 12 ingredients
Alastin C-Radical Defense Antioxidant Serum 43 ingredients
Usage
Here's some more info on how this product is used by our community.
When to use
Obagi Professional-C Serum 20% 12 ingredients
Alastin C-Radical Defense Antioxidant Serum 43 ingredients
Alternatives
Our Dupe Finder has found 50 potential alternatives that have similar ingredients to Obagi Professional-C Serum 20%.
See 50 alternativesOur Dupe Finder has found 7 potential alternatives that have similar ingredients to Alastin C-Radical Defense Antioxidant Serum.
See 7 alternatives