Cosmetic Glossary

Welcome to our comprehensive Cosmetic Glossary, your ultimate guide to understanding exactly what goes into your skincare and beauty products. Navigating complex INCI lists can be overwhelming, which is why we have broken down each ingredient to clearly explain its primary function, skin benefits, and role in your daily routine. Whether you are researching a soothing botanical extract or decoding a potent scientific active, our dictionary empowers you to make informed, safe choices and build a skincare regimen tailored to your unique needs.
Lanolin
Lanolin (Lanolin) Lanolin is a naturally derived waxy emollient obtained from wool and widely used in cosmetic formulations for its rich skin-conditioning and barrier-supportive benefits. With a...
Laurus Nobilis Fruit Oil
Laurus Nobilis Fruit Oil (bay fruit oil) Laurus Nobilis Fruit Oil, commonly known as bay fruit oil, is an aromatic oil extracted from the fruits of the bay tree. Naturally rich in fatty acids,...
Laurus Nobilis Leaf Oil
Laurus Nobilis Leaf Oil (Bay Laurel Leaf Oil) Laurus Nobilis Leaf Oil is an aromatic essential oil obtained from the leaves of Laurus nobilis (bay laurel), valued in cosmetic formulations for its...
Lauryl Glucoside
Lauryl Glucoside (Lauryl Glucoside) Lauryl Glucoside is a mild, non-ionic surfactant typically derived from renewable plant feedstocks (glucose-derived sugars and fatty alcohols) and used in cosmetic...
Lavandula Angustifolia Oil
Lavandula Angustifolia Oil (Lavender essential oil) An aromatic essential oil distilled from Lavandula angustifolia, used in cosmetics primarily as a fragrance ingredient and, secondarily, for its...
Lawsonia Inermis Extract
Lawsonia Inermis Extract (Henna Extract) A botanical extract obtained from the Lawsonia inermis plant, valued in cosmetic formulations mainly for its conditioning, strengthening and hair-beautifying...
Lawsonia Inermis Leaf Extract
Lawsonia Inermis Leaf Extract (henna leaf extract) Plant-derived extract obtained from the leaves of Lawsonia inermis, valued in cosmetics for its hair-conditioning, strengthening and natural...
Lawsonia Inermis Powder
Lawsonia Inermis Powder (henna powder) Plant powder obtained from the dried and finely ground leaves of Lawsonia inermis, valued in cosmetics as a natural hair-colouring, strengthening and...
Lecithin
Lecithin (Lecithin) Lecithin is a naturally derived mixture of phospholipids (commonly sourced from soy or sunflower) used in cosmetic formulations as an emulsifier, skin-conditioning ingredient, and...
Lepidium Meyenii Root Extract
Maca Root Extract (Lepidium Meyenii Root Extract) Lepidium Meyenii Root Extract is a botanical extract derived from the root of Lepidium meyenii (maca), valued in cosmetic formulations for its...
Levulinic Acid
Levulinic Acid (levulinic acid) An organic acid of plant origin or obtained through biotechnological processes, used in cosmetics as a multifunctional ingredient that supports preservation, pH...
Lilium Candidum Flower Extract
Lilium Candidum Flower Extract (white lily flower extract) Lilium Candidum Flower Extract, commonly known as white lily flower extract, is a botanical ingredient derived from the blossoms of the...
Limnanthes Alba Seed Oil
Limnanthes Alba Seed Oil (meadowfoam seed oil) Limnanthes Alba Seed Oil, commonly known as meadowfoam seed oil, is a highly stable botanical oil extracted from the seeds of the meadowfoam plant....
Limonene
Limonene (limonene) Limonene is a naturally occurring terpene commonly found in the rinds of citrus fruits such as oranges, lemons, and grapefruits. In cosmetic formulations, it is primarily used as...
Linalool
Linalool (linalool) Linalool is a naturally occurring terpene alcohol found in many essential oils, including lavender, coriander, and basil. In cosmetic formulations, it is primarily used as a...
Linalyl acetate
Linalyl Acetate (linalyl acetate) An ester-type aromatic ingredient used in cosmetics as a fragrance component, appreciated for its soft, floral, fresh and slightly fruity scent. It occurs naturally...
Linum Usitatissimum Seed Oil
Linum Usitatissimum Seed Oil (Flaxseed Oil) Linum Usitatissimum Seed Oil is a plant-derived emollient oil expressed from flax (linseed) seeds and valued in cosmetic formulations for its...