Beauty ingredient research

Beauty ingredients explained in plain English

Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.

20769

Reviewed ingredients

524

Low-concern standouts

2884

Need usage caution

Showing 60 of 20,769
AllUV absorberUV filterabrasiveabsorbentacne treatmentactiveactive ingredientadhesivealkalizing agentamino acidanti-aginganti-androgenanti-cavityanti-cavity agentanti-inflammatoryanti-irritantanticariesanticavity agentantidandruffantifungalantimicrobialantioxidantantiperspirantantiplaqueastringentbarrier repairbarrier supportbarrier-repairbarrier-supportbinderbinding agentbiotechbiotechnologybond-builderbotanicalbotanical extractbotanical oilbotanical waterbrighteningbrightening agentbufferbuffering agentcell-communicating ingredientceramidechelating agentchemicalchemical intermediateclaycleansercleansingcleansing agentcolorantconditionerconditioningconditioning agentcooling agentcosmeticcosmetic additivecosmetic colorantcosmetic ingredientcosmetic pigmentcosmetic powdercosmetic-texturizercosmetic-waxcosmeticscrosslinking agentdelivery agentdelivery systemdenaturantdeodorantdeodorant agentdepigmenting agentdepilatorydepilatory agentdesensitizing agentdyedye intermediatedye precursordye-intermediateemollientemulsifierenzymeessential oilexfoliantexperimentaleyelashfermentfilm formerfilm-formerfilm-formingfilm-forming agentfirming agentfixativeflavoring agentformulationfragrancefragrance ingredientfunctional ingredientgashair carehair colorhair coloranthair conditionerhair dyehair removalhair-carehair-colorhaircarehumectantindustrialinsecticideintermediatelashlash carelash enhancerlash-and-browlip carelipidmakeupmarine extractmasking agentmicrobiomemicrobiome modulatormineralmoisturizernail carenail-careocclusiveoilopacifieropacifying agentoptical agentoral careotheroxidative dyeoxidative dye precursoroxidizing agentpH adjusterpain reliefpenetration enhancerpeptidepersonal careph adjusterpharmaceuticalpheromonepigmentplant oilplasticizerpolymerpolymer precursorprebioticprescription-drugpreservativepreservative boosterprobioticprocessing agentprocessing aidpropellantproteinpurifyingreducing agentretinoidscalp caresebum regulatorsebum-regulatorself-tannerself-tanningsensory additivesensory agentsensory modifiersiliconeskin barrierskin barrier supportskin conditionerskin conditioningskin conditioning agentskin lighteningskin protectantskin-conditioningskin-conditioning agentskin-identicalskin-identical ingredientskin-lighteningskin-lightening agentskincaresolventsoothingsoothing agentstabilizerstimulantsunscreensurfactantsyntheticsynthetic colorantsynthetic dyesynthetic resinsynthetic-coloranttexture enhancertexturizerthickenertoneruv-absorberuv-filtervasoactivevasodilatorviscosity controlviscosity controllingviscosity controlling agentvitaminwax

Fragrance component

Java Citronella Herb Extract

Cymbopogon Winterianus Herb Extract

3.5

A botanical extract with a fresh, lemony scent and mild astringent action, but can be irritating for sensitive skin.

Irritation

moderate

Source

natural

beautyskincarebotanical extract
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Antioxidant

Java Plum Fruit Extract

EUGENIA CUMINI FRUIT EXTRACT

3.8

A gentle, antioxidant-rich fruit extract that may help calm skin and fight free radical damage, though human studies are limited.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Java Plum Leaf Extract

EUGENIA CUMINI LEAF EXTRACT

3.8

A gentle, plant-based antioxidant that may help calm skin and defend against environmental stress, though research is still early.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Java Plum Root Extract

EUGENIA CUMINI ROOT EXTRACT

3.8

A gentle plant extract that may help calm skin and fight free radical damage, though research is still early.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Java Turmeric Root Powder

Curcuma Heyneana Root Powder

3.8

A gentle, antioxidant-rich powder from a turmeric relative that may help calm skin and fight free radicals, but research is still limited.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Javanese Turmeric Root Powder

Curcuma Xanthorrhiza Root Powder

3.8

A gentle, antioxidant-rich powder from Javanese turmeric that may help calm skin and fight free radicals, but research is still early.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Jehol Lovage Extract

LIGUSTICUM JEHOLENSE FLOWER/ROOT EXTRACT

3.8

A gentle botanical extract with antioxidant potential, but research is limited and benefits are not well-established in human skin.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Antioxidant

Jeju Lily Extract

LYCORIS CHEJUENSIS EXTRACT

4.0

A gentle, antioxidant-rich extract from a rare lily that may help calm skin and protect against environmental stress, though research is still early.

Irritation

low

Source

natural

beautyskincareantioxidant
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Humectant

Jeju Volcanic Ferment Complex

Tenacibaculum Jejuense/Oat Bran Extract/Volcanic Ash Extract Ferment Filtrate

4.0

A fermented ingredient that may help hydrate and soothe skin, but research is still early.

Irritation

low

Source

biotech

beautyskincarehumectantsoothing
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Anti-aging agent

Jellyfish Polypeptide Complex

SR-Jellyfish Polypeptide-1, Sh-Oligopeptide-1

3.8

A marine peptide blend that may help firm and repair skin, but research is still early and benefits are not guaranteed.

Irritation

low

Source

mixed

beautyskincareanti-aging
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Anti-aging agent

Jellyfish Polypeptide-1

SR-Jellyfish Polypeptide-1

3.5

A marine-inspired peptide that may help hydrate and firm skin, but human research is still limited.

Irritation

low

Source

biotech

beautyskincareanti-aging
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Soothing Agent

Jerusalem Artichoke Root Extract

Helianthus Tuberosus Root Extract

4.0

A gentle, plant-based extract that helps calm and hydrate the skin, ideal for sensitive or irritated complexions.

Irritation

low

Source

natural

beautyskincaresoothing agent
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Soothing Agent

Jewelweed Extract

IMPATIENS CAPENSIS EXTRACT

3.8

A gentle plant extract with traditional use for soothing irritated skin, though modern research is still limited.

Irritation

low

Source

natural

beautyskincaresoothing agent
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Soothing Agent

Jewelweed Leaf Extract

IMPATIENS CAPENSIS LEAF EXTRACT

3.8

A gentle botanical extract with traditional use for calming irritated skin, though scientific evidence is still emerging.

Irritation

low

Source

natural

beautyskincaresoothing agent
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Antioxidant

Jiaogulan Extract

Gynostemma Pentaphyllum Powder

3.8

A gentle, plant-based antioxidant that may help calm skin and defend against environmental stress, though human skincare studies are still limited.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Jiaogulan Leaf Extract

Gynostemma Pentaphyllum Leaf Extract

4.0

A gentle plant extract rich in antioxidants that may help calm skin and defend against environmental stress, though human skincare studies are still limited.

Irritation

low

Source

natural

beautyskincareantioxidant
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Humectant

Jicama Root Extract

Pachyrhizus erosus root extract

3.8

Jicama root extract is a gentle, hydrating ingredient with antioxidant potential, but research on its cosmetic benefits is still limited.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Jiu Extract

Jiu Extract

3.5

Jiu Extract is a gentle botanical with antioxidant potential, but research is limited and it is not a standout ingredient in most formulations.

Irritation

low

Source

natural

beautyskincareantioxidant
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Soothing agent

Job's Tears Extract

CAREX KOBOMUGI EXTRACT

4.0

A gentle, antioxidant-rich botanical extract that helps soothe skin and support a more even tone, ideal for sensitive or dull-looking skin.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Job's Tears Ferment Filtrate

Coix Lacryma-Jobi Ma-Yuen Seed Ferment Filtrate

4.0

A gentle, fermented grain extract that may help calm irritation and support skin hydration, popular in J-Beauty routines.

Irritation

low

Source

natural

beautyskincaresoothing agent
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Soothing agent

Job's Tears Root Extract

Coix lacryma-jobi ma-yuen root extract

3.8

A gentle plant extract that may help calm skin and fight free radicals, though research is still early.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Job's Tears Seed Extract

Coix Lacryma-Jobi Ma-Yuen Seed Extract

4.0

A gentle botanical extract with antioxidant and soothing potential, but clinical evidence on its standalone benefits is still limited.

Irritation

low

Source

natural

beautyskincarebotanical
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Emollient

Job's Tears Seed Oil

Coix Lacryma-Jobi Ma-Yuen Seed Oil

4.0

A gentle, plant-based oil that hydrates and softens skin without clogging pores, with some antioxidant benefits.

Irritation

low

Source

natural

beautyskincareemollient
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Exfoliant

Job's Tears Seed Powder

COIX LACRYMA-JOBI MA-YUEN SEED POWDER

3.8

A gentle, natural exfoliating powder that can help smooth skin without harsh abrasives, though research on its benefits is still limited.

Irritation

low

Source

natural

beautyskincareexfoliant
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Soothing Agent

Job's Tears Seed Water

Coix Lacryma-Jobi Ma-Yuen Seed Water

4.0

A gentle, hydrating botanical water that may help calm irritation and support a balanced skin barrier.

Irritation

low

Source

natural

beautyskincaresoothing
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Antioxidant

Job's Tears Shell Extract

Coix Lacryma-Jobi Ma-Yuen Shell Extract

3.8

A gentle plant extract that may help calm skin and fight free radicals, though research is still early.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Joe Pye Weed Extract

EUPATORIUM PURPUREUM FLOWER/LEAF/STEM EXTRACT

3.5

A gentle botanical extract with antioxidant potential, but research on its skincare benefits is still limited.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Emollient

Jojoba Alcohol

JOJOBA ALCOHOL

4.0

A gentle, plant-derived fatty alcohol that softens skin and improves product feel without the drying effects of short-chain alcohols.

Irritation

low

Source

natural

beautyskincareemollient
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Humectant

Jojoba Amino Acids

JOJOBA AMINO ACIDS

4.3

Jojoba Amino Acids are a gentle, plant-based humectant that helps hydrate and support the skin barrier without clogging pores.

Irritation

low

Source

natural

beautyskincarehumectant
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Emollient

Jojoba Butter

SIMMONDSIA CHINENSIS (JOJOBA) BUTTER

4.3

Jojoba Butter is a gentle, plant-based emollient that mimics skin's natural sebum, making it an excellent moisturizer for most skin types without clogging pores.

Irritation

low

Source

natural

beautyskincareemollient
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Emollient

Jojoba Esters

JOJOBA ESTERS

4.5

Jojoba Esters are a gentle, plant-based emollient that mimics the skin's natural sebum, making it an excellent moisturizer for most skin types, especially oily and acne-prone skin.

Irritation

low

Source

natural

beautyskincareemollient
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Soothing Agent

Jojoba Meal Extract

SIMMONDSIA CHINENSIS (JOJOBA) MEAL EXTRACT

4.0

A gentle, antioxidant-rich byproduct of jojoba oil production that helps soothe and condition skin without clogging pores.

Irritation

low

Source

natural

beautyskincaresoothing
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Emollient

Jojoba Oil Amino Complex

JOJOBA SEED OIL AMINOPROPANEDIOL AMIDES/ESTERS

4.0

A gentle, semi-synthetic jojoba derivative that provides silky skin feel and conditioning without clogging pores.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emollient

Jojoba Oil Ester Blend

JOJOBA OIL/CAPRYLIC/CAPRIC TRIGLYCERIDE ESTERS

4.3

A gentle, non-greasy emollient that mimics skin's natural oils and improves product texture without clogging pores.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emulsifier

Jojoba Oil PEG-150 Esters

JOJOBA OIL PEG-150 ESTERS

4.0

A gentle, PEG-modified jojoba oil that helps blend water and oil in cleansers and creams without stripping the skin.

Irritation

low

Source

semi-synthetic

beautyskincareemulsifier
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Emulsifier

Jojoba Oil PEG-8 Esters

JOJOBA OIL PEG-8 ESTERS

4.0

A gentle, water-soluble jojoba derivative that helps blend oil and water in formulas while adding light skin conditioning.

Irritation

low

Source

semi-synthetic

beautyskincareemulsifier
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Hair Conditioner

Jojoba Protein Conditioner

LAURDIMONIUM HYDROXYPROPYL HYDROLYZED JOJOBA PROTEIN

4.0

A gentle, protein-derived conditioning ingredient that helps soften hair and skin without heavy buildup.

Irritation

low

Source

semi-synthetic

beautyskincarehaircare
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Emollient

Jojoba Seed Extract

SIMMONDSIA CHINENSIS SEED EXTRACT

4.5

Jojoba Seed Extract is a gentle, skin-identical emollient that hydrates without clogging pores, making it a safe choice for most skin types.

Irritation

low

Source

natural

beautyskincareemollient
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Exfoliant

Jojoba Seed Powder

SIMMONDSIA CHINENSIS SEED POWDER

3.8

Jojoba seed powder is a gentle, natural exfoliant that helps remove dead skin cells without over-stripping, making it suitable for most skin types.

Irritation

low

Source

natural

beautyskincareexfoliant
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Antioxidant

Jojoba Seedcake Extract

SIMMONDSIA CHINENSIS (JOJOBA) SEEDCAKE EXTRACT

4.0

A gentle, antioxidant-rich extract from leftover jojoba seed material that helps soothe and protect skin.

Irritation

low

Source

natural

beautyskincareantioxidant
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Emollient

Jojoba Wax

SIMMONDSIA CHINENSIS SEED WAX

4.5

Jojoba wax is a gentle, plant-based emollient that mimics skin's natural oils, making it ideal for dry or sensitive skin.

Irritation

low

Source

natural

beautyskincareemollient
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Emulsifier

Jojoba Wax PEG-120 Esters

JOJOBA WAX PEG-120 ESTERS

4.0

A gentle, non-stripping emulsifier derived from jojoba wax that helps cleanse without drying out the skin.

Irritation

low

Source

semi-synthetic

beautyskincaresurfactant
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Surfactant

Jojoba Wax PEG-80 Esters

JOJOBA WAX PEG-80 ESTERS

4.0

A gentle, water-soluble cleanser derived from jojoba wax that effectively removes oil and makeup without stripping the skin.

Irritation

low

Source

semi-synthetic

beautyskincaresurfactant
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Emollient

Jojoba-Macadamia Ester Blend

JOJOBA OIL/MACADAMIA SEED OIL ESTERS

4.5

A gentle, plant-derived emollient that mimics skin's natural oils, making it ideal for dry or sensitive skin.

Irritation

low

Source

natural

beautyskincareemollient
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Emollient

Jojoba-Macadamia Phytosteryl Esters

JOJOBA OIL/MACADAMIA SEED OIL PHYTOSTERYL ESTERS

4.5

A gentle, plant-based emollient that feels silky on skin and helps reinforce the moisture barrier without clogging pores.

Irritation

low

Source

natural

beautyskincareemollient
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Surfactant

Jojobamidopropyl Betaine

JOJOBAMIDOPROPYL BETAINE

4.5

A gentle, jojoba-derived surfactant that cleanses without stripping the skin, making it ideal for sensitive or dry skin types.

Irritation

low

Source

semi-synthetic

beautyskincarecleanser
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Antioxidant

Jonquil Extract

NARCISSUS JONQUILLA EXTRACT

3.5

A gentle botanical extract with antioxidant potential, but limited research supports its standalone benefits in skincare.

Irritation

low

Source

natural

beautyskincareantioxidant
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Soothing agent

Juazeiro Bark Extract

Ziziphus joazeiro bark extract

3.8

A gentle botanical extract from the Juazeiro tree that may help soothe the scalp and condition hair, though scientific evidence is still limited.

Irritation

low

Source

natural

beautyskincarehaircare
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Antioxidant

Jujube Extract

Ziziphus Sativa Extract

3.8

A gentle, antioxidant-rich botanical extract that may help soothe skin and fight free radical damage, though more human studies are needed.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Jujube Fruit Extract

Ziziphus Jujuba Fruit Extract

4.0

Jujube fruit extract is a gentle, antioxidant-rich ingredient that helps protect skin from environmental stress and may calm irritation.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Jujube Seed Extract

ZIZIPHUS JUJUBA SEED EXTRACT

4.0

A gentle, antioxidant-rich seed extract that helps calm skin and fight environmental stress, though research is still early.

Irritation

low

Source

natural

beautyskincareantioxidant
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Astringent

Juliana Bark Extract

Juliana Adstringens Bark Extract

3.5

A gentle botanical astringent that may help tighten pores and calm skin, but research is limited.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Juncus Decipiens Stem Extract

JUNCUS DECIPIENS STEM EXTRACT

3.8

A gentle plant extract with antioxidant potential, but research is limited and benefits are not yet well-established in human skin.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Antioxidant

Juniper & Rosemary Fruit Extract

Juniperus Communis Fruit/Rosmarinus Officinalis Extract

4.0

A gentle botanical blend that helps protect skin from environmental stress and may calm minor irritation.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Juniper Berry & Leaf Extract

Juniperus Communis Branch/Fruit/Leaf Extract

3.8

A gentle botanical extract with antioxidant benefits, but its fragrance potential means sensitive skin should patch test first.

Irritation

low

Source

natural

beautyskincareantioxidant
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Fragrance

Juniper Berry & Leaf Water

Juniperus Communis Fruit/Leaf Water

3.8

A gentle, aromatic botanical water that adds a fresh scent and mild antioxidant benefits to skincare, but its direct skin effects are not well-studied.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Antioxidant

Juniper Berry Extract

Juniperus Oxycedrus Fruit Extract

3.8

A gentle botanical extract that helps protect skin from environmental stress and may calm minor irritation.

Irritation

low

Source

natural

beautyskincareantioxidant
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Skin-conditioning agent

Juniper Berry Ferment Filtrate

SACCHAROMYCES/JUNIPERUS COMMUNIS SEED WATER FERMENT FILTRATE

4.0

A gentle fermented ingredient that may help balance skin’s microbiome and offer mild antioxidant protection, though human studies are limited.

Irritation

low

Source

biotech

beautyskincareantioxidant
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Fragrance

Juniper Berry Oil

JUNIPERUS OXYCEDRUS FRUIT OIL

3.5

Juniper berry oil adds a woody, fresh scent to products but may irritate sensitive skin and has limited proven skincare benefits beyond fragrance.

Irritation

moderate

Source

natural

beautyskincarefragrance
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