Skincare Ingredients Glossary - Nature & Science - Kiehl's

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Ingredient glossary

Inspired by our apothecary roots, Kiehl’s uses powerful skincare ingredients drawn from nature and science within our unique formulas.

Squalane

A highly-refined moisturizing oil derived from olives.
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Lavender Essential Oil

A botanical oil known to help calm and soothe skin.
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Calendula Extract

Extracted from the Marigold flower, this extract and its petals are known to help soothe skin.
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Cannabis Sativa Seed Oil

Cold-pressed from hemp seeds, this herbaceous oil is known for its calming and soothing properties.
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Caffeine

A naturally occurring substance known for its stimulating properties.
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ACTIVATED C

An efficacious antioxidant known to visibly reduce wrinkles and boost radiance.
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Beech Tree Extract

A sugar extracted from the Beech Tree known to visibly firm skin.
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Hyaluronic Acid

A humectant naturally found in skin that is known to smooth and plump.
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Amazonian White Clay

A fairly-traded and solidarity-sourced clay known to help purify skin.
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VITAMIN C

An efficacious antioxidant often used in skincare products that help reduce the appearance of wrinkles and boost radiance.
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VITAMIN E

An antioxidant known for its moisturizing properties.
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ARGAN OIL

A fairly-traded and sustainably-sourced oil known for its replenishing properties.
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AVOCADO OIL

A rich emollient known to nourish and moisturize skin.
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Sunflower Oil

A botanical oil known to help smooth skin and strengthen the skin barrier.
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Peony Root Extract

An antioxidant known to help boost skin’s clarity.
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Manuka Honey

A dark, creamy honey with high antioxidant activity compared to other honeys.
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COCONUT OIL

A semi-solid, highly-saturated fat known to help soften skin.
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Evening Primrose Oil

A botanical oil known to help maintain the skin barrier.
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Cocoa Butter

A lipid derived from the Cocoa plant known to help soften and moisturize skin.
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ALOE VERA

Sourced from the leaf of the Aloe Vera plant, Aloe is known for its hydrating properties.
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TURMERIC

An herb known for its potent antioxidant properties and known to visibly brighten skin.
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QUINOA HUSK EXTRACT

A sustainably-sourced extract from the outer protective shell of the Quinoa seed that can be used for its exfoliating properties.
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Green Oregano

An oil extracted and distilled from Oregano and known to help purify skin.
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