L'Oreal Revitalift 2.5% Hyaluronic Acid + Caffeine Under Eye Serum Versus Dermalogica Biolumin-C Vitamin C Eye Serum

Salvia Hispanica Seed Oil is an oil and isn't fungal acne safe.

Sodium PCA is the sodium salt of pyroglutamic acid and is naturally occurring on human skin.

Trehalose is a disaccharide made of two glucose molecules (glucose is sugar!). Trehalose is used to help moisturize skin. It also has antioxidant properties.

We don't have a description for Poria Cocos Polysaccharide.

Papain is an enzyme found naturally in the papaya plant's leaves, fruit, and roots. It has antimicrobial, soothing, and wound healing properties.

We don't have a description for Dunaliella Salina Extract.

Aminopropyl Ascorbyl Phosphate (AAP) is a form of Vitamin C. AAP was made as a more stable alternative to Ascorbic Acid by combining Ascorbic Acid (pure Vitamin C) with 3-aminoproply dehydrogen phosphate.

We don't have a description for Terminalia Arjuna Extract.

Tremella Fuciformis Sporocarp Extract is an antioxidant.

Ascorbyl Methylsilanol Pectinate is a form of Vitamin C. It is created by mixing Ascorbic Acid (pure Vitamin C) and pectin.

Palmitoyl Tripeptide-5 isn't fungal acne safe and is a peptide.

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

We don't have a description for Phytosterols.

Algin is brown algae. Algae is an informal term for a group of aquatic organisms that can photosynthesize. It is estimated there are at least 30,000 types of Algae.

Citrus Grandis Peel Oil is an essential oil that is derived from the peel of a Grapefruit. It is composed largely of limonene, which is a fragrance that can cause irritation for sensitive skin.

We don't have a description for Phytosteryl Oleate.

Tocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.

Serine is an amino acid naturally found in our body. Our bodies use amino acids to create protein.

Oleic Acid is an Omega-9 fatty acid. It can be found in many plant oils such as avocado and marula oils.

Inositol is a sugar alcohol naturally found in the human body. Our bodies use this ingredient in the process of growing new cells.

Helianthus Annuus Seed Oil is the oil derived from the seeds of a Sunflower. Sunflower seed oil is non-fragrant. It is an emollient, meaning it helps to soften the skin.

Betaine is a common humectant (a substance that promotes retention of moisture). It's known to be gentle on the skin and can help balance hydration.

Carrageenan comes from red seaweed or algae. It is made up of polysaccharides and a highly flexible compound. Red algae cell walls are rich in carrageenan.

Panthenol is a common ingredient that helps hydrate and soothe the skin. It can be found naturally in our skin and hair.

Dipotassium Glycyrrhizate comes from licorice root.

Methylpropanediol is a synthetic solvent and humectant.

Proline is an amino-acid. It helps moisturize the skin and plays an important role in creating proteins.

Xylitol is a humectant and prebiotic. It can help with dry skin.

We don't have a description for Calcium Gluconate.

Pantolactone is a synthetically created humectant.

Lecithin is a term for a group of substances found in plants, animals, and humans. They are made up of mixture of fatty acids. These fatty acids usually are a mixture of phosphoric acid's choline ester connected to stearic, oleic, and palmitic acids. Most lecithins are created from plant ingredients scuh as sunflower.

Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.

Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.

Aminomethyl Propanol is used to adjust the pH of products. It is also used as a base to create other organic compounds. Having a balanced pH is important for protecting your skin.

Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.

Polyacrylate-13 is a type of acrylate polymer. Acrylate polymers are commonly used as adhesives in cosmetics.

Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken and improve the texture of products.

Tetrasodium Glutamate Diacetate is a chelating agent. Chelating agents help prevent metal ions from binding to other ingredients. This helps prevent unwanted effects and reactions from a product. These metal ions may come from water and are found in miniscule amounts.

Polyisobutene is a synthetic polymer made from isobutene.

Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.

Sodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.

Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).

Gluconolactone is a PHA. PHAs are a great gentle alternative to traditional AHAs.

Polysorbate 20 is made by combining ethoxylation of sorbitan, ethylene oxide, and lauric acid. It is a mild cleansing agent, surfactant, and emulsifier.

Potassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.

Carbomer is a polymer of acrylic acid. Its main role is to create gel consistency within products.

1,2-Hexanediol is a multi-tasker ingredient. It acts as a preservative to increase shelf-life and can aid other preservatives in preventing microbe growth. 1,2-Hexanediol also helps the skin retain moisture as a humectant.

Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.

Limonene is a fragrance that adds scent and taste to a formulation.

Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.