Skin Care Ingredients Dictionary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Aerated Silica

Known as airlicium, this synthetically-derived ingredient can absorb up to 15x its weight in oil to help mattify skin complexion.
Featured in: Physical Matte UV Defense SPF 50

Algae Extracts

Algae refer to a simple group of aquatic organisms capable of conducting photosynthesis. In skincare, some algae extracts have been shown to act as emollients and soothing agents capable of delivering a variety of nutrients to skin.
Featured in: Daily Moisture

Alpha Tocopherol

The most abundant, pure form of vitamin E, this powerful antioxidant can be derived synthetically or sourced naturally from a variety of foods including vegetable oils. Alpha tocopheral plays an important role in neutralizing free radicals, moisturizing skin, and improving the appearance of visible skin aging.
Featured in: C E Ferulic , Resveratrol B E , Daily Moisture , Face Cream

Artemia Salina

This plankton extract helps boost skin’s natural defenses and resistance to UV- and heat-induced stress.
Featured in: Physical Fusion UV Defense SPF 50, Sheer Physical UV Defense SPF 50, Physical UV Defense SPF 30, Sport UV Defense SPF 50

Baicalin

A flavonoid antioxidant derived from the roots of the baical skullcap plant, baicalin is a potent antioxidant with skin calming properties, shown to help protect skin from environmental aggressors.
Featured in: Resveratrol B E

Blueberry Extract

A naturally derived antioxidant, blueberry extract helps fortify skin’s matrix and prevent the appearance of wrinkles and laxity.
Featured in: A.G.E. Interrupter, A.G.E. Eye Complex

Ceramides

Ceramides are waxy, lipid molecules naturally present in the stratum corneum that play a key role in skin lipid barrier function. When applied topically, ceramides work synergistically to help increase skin hydration and promote optimal barrier function. SkinCeuticals ceramides are formulated synthetically to be bioidentical to skin’s natural ceramides.
Featured in: Triple Lipid Restore 2:4:2

Citric Acid

Found naturally in citrus fruits, this alpha-hydroxy acid helps promote cell turnover to exfoliate and smooth skin. It can also act as a preservative in formulations to protect stability.
Featured in: Blemish + Age Defense

Cucumber Extract

Naturally found in cucumbers, this non-sensitizing extract has high quantities of vitamin C and amino acids which are known to help nourish, hydrate, and soothe skin.
Featured in: Phyto Corrective Gel, Phyto Corrective Masque

Dioic Acid

Naturally found in various animals and vegetable fats and oils, dioic acid helps reduce excess sebum while diminishing P.acnes bacteria. This ingredient has also been shown to improve the appearance of uneven skin tone. SkinCeuticals only uses vegetable-derived dioic acid in its formulations.
Featured in: Blemish + Age Defense

Dipotassium Glycyrrhizate

Dipotassium glycyrrhizate (licorice root extract) is the principal component of licorice root. This potent ingredient is recognized for its ability to help even out skin tone and it has been shown to help preserve hyaluronic acid content in skin.
Featured in: Hyaluronic Acid Intensifier (H.A.)

Purple Rice Extract

Derived from the seed of oryza sativa linne, a type of rice originating in China, this extract helps preserve hyaluronic acid content in skin.
Featured in: Hyaluronic Acid Intensifier (H.A.)

Ellagic Acid

A naturally occurring polyphenol antioxidant found in fruits and berries that has been shown to help improve the look of skin discoloration.
Featured in: Advanced Pigment Corrector

Fatty Acid

Naturally found in a variety of animal and vegetable sources including fish, seeds, and nuts, fatty acids aid in the structural integrity of skin lipids to optimize its overall lipid balance. SkinCeuticals only uses vegetable sources of fatty acids in its formulations.
Featured in: Triple Lipid Restore 2:4:2

Ferulic Acid

A powerful antioxidant found in the cell walls of plants such as wheat, rice, peanuts, oranges and apples, ferulic acid neutralizes free radicals and complements the antioxidant benefits of vitamins C and E for visible anti-aging benefits.
Featured in: C E Ferulic, Phloretin CF, Phloretin CF Gel

Glycerin

Synthetically derived or found naturally in the lipids of animals and vegetables, this powerful humectant possesses water-binding properties that help deliver intense hydration. SkinCeuticals only uses vegetable-derived sources of glycerin in its formulations.
Featured in: Metacell Renewal B3

Glycolic Acid

Derived synthetically or found naturally in sugar cane, beetroot, grapes and other fruit, this alpha-hydroxy acid helps facilitate skin’s natural exfoliation and minimizes the build-up of dead skin cells to improve the appearance of the skin’s tone and texture.
Featured in: Blemish + Age Defense, LHA Cleansing Gel, Purifying Cleanser, Clarifying Cleanser

Hyaluronic Acid

A natural humectant capable of holding 1,000 times its own weight in water. Hyaluronic acid is the body’s natural hydrator, making it an excellent moisturizer when applied topically.
Featured in: H.A. Intensifier, Hydrating B5 Gel, Retexturing Activator, Phyto Corrective Gel, Hydrating B5 Masque, Phyto Corrective Masque

Hydroxyethyl Urea

Derived synthetically, this humectant helps replenish and maintain skin’s moisture levels. In addition to its powerful hydrating ability, it also helps promote cell turnover.
Featured in: Retexturing Activator

Hydroxyethylpiperazine Ethane Sulfonic Acid

Recognized for its exfoliating properties, this aminosulfonic acid derivative works enzymatically to help break the bonds that bind dead cells to the skin’s surface for even exfoliation.
Featured in: Retexturing Activator

Hydroxyphenoxy Propionic Acid

A non-toxic derivative of hydroquinone that helps fade the appearance of discoloration and improve uneven skin tone.
Featured in: Advanced Pigment Corrector

Impregnated Biocellulose Fibers

A fine network of highly absorbent biofibers are impregnated with water to provide immediate cooling relief to skin.
Featured in: Biocellulose Restorative Masque

Kombucha

A byproduct of the tea fermentation process, this naturally derived ingredient is known to help promote smooth, radiant skin.
Featured in: Retexturing Activator

L-Ascorbic Acid (Vitamin C)

Synthetically derived or found naturally in citrus fruits, l-ascorbic acid is lauded for its superior antioxidant benefits. This highly potent form of pure vitamin C helps neutralize free radicals and helps protect against oxidative stress while providing visible anti-aging benefits.
Featured in: C E Ferulic, Phloretin CF, AOX+ Eye Gel, Serum 10 AOX+, Phloretin CF Gel, Serum 15 AOX+, Serum 20 AOX+, C+AHA

LHA (Caproloyl Salicylic Acid)

A derivative of salicylic acid, this lipo-hydroxy acid helps promote cell turnover via targeted exfoliation. It has also been shown to decongest pores and refine the skin’s surface.
Featured in: Blemish + Age Defense, LHA Cleansing Gel, LHA Solution

Natural Cholesterol

Cholesterol is naturally found in the body and one of the predominant lipids found in skin. In topical skincare formulations, this ingredient is known to accelerate barrier recovery in aging skin. SkinCeuticals natural cholesterol is derived from a purified isolation of wool wax.
Featured in: Triple Lipid Restore 2:4:2

Niacinamide (Vitamin B3)

Also known as vitamin B3, niacinamide is a water-soluble vitamin found naturally in yeast, meat, fish, milk, eggs, green vegetables, beans, and cereal grains. Topical application of niacinamide has been shown to strengthen skin’s moisture barrier and reduce the appearance of discoloration and blotchiness.
Featured in: Metacell Renewal B3

Olive Leaf Extract

Derived from olive leaves, this emollient plant extract is rich in antioxidants including oleuropeine and hydroxytyrosol. Its moisturizing properties make it beneficial for dry skin types.
Featured in: Phyto Corrective Gel, Phyto Corrective Masque

Optical Diffusers

Designed to reflect and redirect light, optical diffusers help spread light evenly across a surface. In skincare, optical diffusers disperse light to help minimize the appearance of skin imperfections or uneven tone around the eyes.
Featured in: A.G.E. Eye Complex

Phloretin

Derived from apples and the root bark of fruit trees including pear and grapefruit, this antioxidant neutralizes damaging free radicals and improves uneven skin tone.
Featured in: Phloretin CF, AOX+ Eye Gel, Phloretin CF Gel

Phytosphingosine

This ceramide derivative helps facilitate skin’s natural barrier repair process.
Featured in: A.G.E. Interrupter

Proxylane™

Derived from beech wood through an environmentally-efficient process, this patented molecule helps support skin’s matrix and restores water to skin. Proxylane is easily biodegradable, non-bioaccumulatable, and non-eco-toxic.
Featured in: A.G.E. Interrupter, A.G.E. Eye Complex

Resveratrol

Known as the longevity molecule, resveratrol is sourced from grape skin, blueberries, raspberries, and various plants including knotweed. It has been recognized for its powerful antioxidant and anti-aging properties which include strengthening skin’s natural antioxidant defense system to help neutralize free radicals.
Featured in: Resveratrol B E

Retinol

A form of vitamin A (retinoic acid) that is clinically proven to help improve the appearance of aging skin. Retinol is shown to help improve uneven skin tone, promote cell turnover, and improve the appearance of fine lines and wrinkles.
Featured in: Retinol 0.5 Retinol 1.0

Salicylic Acid

Often used as a key ingredient in topical acne products, this beta-hydroxy acid is extracted from the bark of willow trees. Salicylic acid exfoliates skin, refines pores, and reduces the formation of acne when used at an appropriate concentration.
Featured in: Blemish + Age Defense, Advanced Pigment Corrector, LHA Cleansing Gel, LHA Solution, Clarifying Cleanser

Thyme Extract

Found naturally in the leaves and flower of the thyme plant, this botanical extract is high in thymol, known for its anti-septic and skin soothing benefits.
Featured in: Phyto Corrective Gel, Phyto Corrective Masque

Titanium Dioxide

Titanium dioxide is a natural mineral used as a mineral UV filter. This key sunscreen ingredient forms a barrier on skin to reflect and help protect against UVA and UVB rays.
Featured in: Physical Fusion UV Defense SPF 50, Sheer Physical UV Defense SPF 50, Physical Matte UV Defense SPF 50, Physical Eye UV Defense SPF 50

Translucent Color Spheres

Comprised of iron oxide spheres, this color-infused technology enhances natural skin tone and boosts radiance while providing a universal tint for most skin tones.
Featured in: Physical Fusion UV Defense SPF 50, Physical Matte UV Defense SPF 50

Tri-peptide

Peptides are compounds consisting of two or more linked amino acids (natural proteins). The number of amino acids that make up a peptide determine whether it is a di-peptide (2 peptides), tri-peptide (3 peptides), or more. In topical skincare formulations, some peptides are shown to help provide anti-aging benefits.
Featured in: Metacell Renewal B3

Vitamin B5

Also known as pantothenic acid and found naturally in salmon, avocados, sunflower seeds, broccoli, and more, this essential nutrient helps promote the skin barrier’s natural repair process. SkinCeuticals only uses vegetable-derived sources of vitamin B5 in its formulations.
Featured in: Hydrating B5 Gel, Hydrating B5 Masque

Zinc Oxide (Z-Cote®)

Zinc oxide is a natural mineral used as a UV filter. This key sunscreen ingredient forms a barrier on skin to reflect and help protect against UVA and UVB rays. Zinc oxide demonstrates strong protection across the UVA spectrum and its distribution characteristics help provide an even spread without a whitening effect.
Featured in: Physical Fusion UV Defense SPF 50, Sheer Physical UV Defense SPF 50, Ultimate UV Defense SPF 30, Physical Matte UV Defense SPF 50, Physical Eye UV Defense SPF 50, Physical UV Defense SPF 30