Jack Black Double-Duty Face Moisturizer SPF 20

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.

Cyclopentasiloxane, or D5, is a silicone used to improve texture of products and trap moisture.

D5 is considered lightweight and volatile. Volatile means it evaporates quickly after application. Once evaporated, D5 leaves a thin barrier that helps keep skin hydrated.

We don't have a description for Octyldodecyl Neopentanoate yet.

Phenethyl Benzoate is a fragrance.

Dimethicone is a type of synthetic silicone created from natural materials such as quartz.

What it does:

Glycereth-26 is a synthetic ingredient and polyethylene glycol ether of Glycerin. Glycerin is already naturally found in your skin and helps keep your skin moisturized.

It is a humectant and helps add texture to products. It can make your product thicker.

This is a synthetic polymer. It helps improve the texture of products by adding thickness and gel-like feel.

It is also an emulsifer, meaning it prevents ingredients such as oil and water from separating. It also helps evenly disperse other ingredients.

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.

Hydroxypropyl Starch Phosphate is a modified starch used to help thicken a product.

It is also used in foods.

Cetearyl Glucoside is a surfactant and emulsifier. It can be produced from synthetic of natural sources of cetearyl alcohol and glucose.

Emulsifiers help prevent ingredients from separating, such as oils and waters. It can also be used to enhance the texture of products.

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.

Pyrus Malus Fruit Extract is extract from Apples. Apples are rich in Vitamin C, sugars, and antioxidants.

The sugar in Apples are humectants and help hydrate the skin. On top of that, apples also contain some acids, such as malic acid. These acids may have a mild exfoliating effect.

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

• It is a solvent, meaning that it helps to dissolve other ingredients. This also enhances the absorption of the product into one's skin.
• It is a humectant, which means that it helps attract moisture into the skin.
• It helps improve product application.
• It has mild preservative properties.

Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.

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.

In small amounts, sodium hydroxide is considered safe to use. However, large amounts may cause chemical burns due to its high alkaline.

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.

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.

Lavandula Angustifolia Oil is more commonly known as lavender essential oil.

Lavender imparts a famous scent. While the smell is lovely, this ingredient and may sensitize skin in topical products. This is because it contains linalool, a known allergen.

Iodopropynyl Butylcarbamate is a preservative.

Pelargonium Graveolens Flower Oil is the pressed oil of the Rose Geranium plant. It is volatile, meaning it evaporates off the skin.

Rose Geranium contains antimicrobial, anti-inflammatory, and antioxidant properties. It has been shown to reduce bacteria and fungus. Due to these properties, Rose Geranium may help reduce acne.

Rosmarinus Officinalis Leaf Oil is oil expressed from the leaves of the rosemary plant.

Rosemary Leaf Oil is a fragrance and helps give your product a scent. If you are sensitive to irritating fragrances, this one contains camphor. Camphor has been found to irritate skin.

Lecithin is a term for a group of substances found in the cell membranes of plants, animals, and humans. They are made up of mixture of phospholipids.

This ingredient has emollient and emulsifying properties.

We don't have a description for Melilotus Officinalis Extract yet.

We don't have a description for Haslea Ostrearia Extract yet.

We don't have a description for Palmaria Palmata Extract yet.

Calendula Officinalis Flower Extract comes from the common Marigold plant. This ingredient is a skin conditioner.

Marigolds contain flavonoids. Flavonoids are a group of substances found naturally in plants. They possess antioxidant and inflammation properties.

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.

We don't have a description for Leontopodium Alpinum Extract yet.

Retinyl palmitate is a form of retinoid. Retinoids are the superstar class of anti-aging ingredients that include tretinoin and retinol.

This particular ingredient has had a bumpy year with its rise and fall in popularity.

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.

This oil is created by distilling the dried flower heads of the Roman Chamomile flower.

Chamomile is rich in antioxidants and has anti-inflammatory properties. Several compounds found in chamomile help with soothing, such as bisbolol.

We don't have a description for Peucedanum Ostruthium Leaf Extract yet.

Buddleja Davidii Leaf Extract is native to China and Japan. It is also known as the Butterfly Bush as it provides food for butterflies.

Buddleja Davidii is rich in antioxidants. Antioxidants help fight free-radical molecules. These unstable molecules may damage your skin cells. By helping to stabilize them, antioxidants may help with anti-aging.

We don't have a description for Artemisia Umbelliformis Extract yet.