
Skincare Ingredients
Enhance your skincare knowledge with our comprehensive skincare ingredient glossary.
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What ingredients are needed in skincare?
Effective skincare ingredients are essential for delivering specific benefits to the skin. With ample options available, it’s important to determine your individual skin concerns to help you choose the right skincare ingredients.
For boosting hydration, look for moisture-retaining ingredients such as hyaluronic acid, glycerin, and squalane. If you’re dealing with dullness or discolouration, antioxidants like vitamin C and niacinamide can help brighten and even out the complexion. And, for breakouts or visible signs of ageing, you can turn to potent ingredients like retinol and salicylic acid to mitigate your concerns.
Discover effective skincare ingredients by Kiehl’s
Combining apothecary heritage with skin science, explore Kiehl’s’ most powerful skincare ingredients.

Vitamin C

Retinol

Squalane
Explore articles by ingredient
Dive into the uses and benefits of skincare ingredients in our expert guides.
Shop by Ingredient Categories
Find the right skincare ingredients for your unique needs.
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