Mac Cosmetics Prep + Prime Moisture Infusion Serum Versus La Mer The Revitalizing Hydrating Serum

Tocopheryl Acetate is AKA Vitamin E. It is an antioxidant and protects your skin from free radicals. Free radicals damage the skin by breaking down collagen.

One study found using Tocopheryl Acetate with Vitamin C decreased the number of sunburned cells.

Algae Extract is a confusing name. This is because algae is an informal term for a group of 30,000 aquatic organisms that can photosynthesize.

The term 'algae extract' can refer to any one, or a blend of, the 30,000 types.

Sodium 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.

Yeast extract is a silky, clear liquid derived from yeast (usually Saccharomyces cerevisiae or Torula yeast).

This ingredient has plenty of skin benefits:

We don't have a description for Citrus Reticulata Peel Extract yet.

Polygonum Cuspidatum Root Extract comes from the Japanese Knotweed plant native to Japan, Korea, and China.

This plant contains anti-inflammatory and antioxidant properties. It contains high amounts of resveratrol, a potent antioxidant.

Vitis Vinifera Seed Extract comes from the grape vine. Grape seeds are a byproduct of creating grape juice or wine.

The components of grape seeds have many skin benefits. Research has found it to be antimicrobial and anti-inflammatory. It also contains many potent antioxidants such as Vitamin E , Vitamin C, proanthocyanidins, polyphenols, flavonoids, and anthocyanins. Proanthocyanidin has been shown to help even out skin tone.

We don't have a description for Humulus Lupulus Extract yet.

Helianthus Annuus Seedcake is an exfoliant and isn't fungal acne safe.

Punica Granatum Fruit Juice is also known as pomegranate juice.

Pomegranates are rich in fatty acids, including an unsaturated fatty acid by the name of Punicic acid. Other components of pomegranates include Vitamin E, Vitamin C, and bioactive lipids such as phytosterols, phospholipids, and triterpenes.

Caffeine is most associated with coffee, tea, and cacao. In skincare, it helps with calming inflammation and is rich in antioxidants.

While caffeine is used to treat cellulite and and dark circles, further studies are needed to prove this. It has been believed to help with these skin conditions due to its ability to dilate blood vessels and increase blood flow.

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

As a humectant, trehalose helps draw moisture from the air to your skin. This helps keep your skin hydrated.

Dipotassium Glycyrrhizate comes from licorice root.

Extracts of licorice have demonstrated to have antibacterial, anti‐inflammatory, antiviral, antioxidant properties.

Sodium PCA is the sodium salt of pyroglutamic acid. It is naturally occurring in our skin's natural moisturizing factors where it works to maintain hydration.

The PCA stands for pyrrolidone carboxylic acid, a natural amino acid derivative.

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

A high amount of carbomer can cause pilling or balling up of products. Don't worry, most products contain 1% or less of carbomer.

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.

On the technical side of things, xanthan gum is a polysaccharide - a combination consisting of multiple sugar molecules bonded together.

Linolenic Acid is a fatty acid. Linolenic Acid helps condition and restore skin.

It is also used to treat inflammation and hyperpigmentation. It works to reduce hyperpigmentation by disrupting melanin production.

Linoleic Acid is Vitamin F and a fatty acid. It is an emollient and helps thicken texture. Linoleic acid helps with hydrating skin and nourishing the skin's barrier. The top layer of skin, or epidermis, contains high amounts of linoleic acid naturally.

Your body uses linoleic acid to build ceramides and prostaglandins. Ceramides keep your skin's barrier plump and firm. Prosaglandins help control inflammation and healing.

Disodium EDTA plays a role in making products more stable by aiding other preservatives.

It is a chelating agent, meaning it neutralizes metal ions that may be found in a product.

Nordihydroguaiaretic Acid is an antioxidant.

EUK-134 is known for its ability to mimic SOD and catalase, two potent antioxidants. Antioxidants protect our cells from oxidative damage and premature aging.

According to a manufacturer and studies from Estee Lauder, EUK-134 protects the skin against UV induced DNA damage, reduces redness, and protects skin against toxic compounds.

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.

It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.