A lightweight, skin-friendly emollient that hydrates without clogging pores, ideal for sensitive and oily skin types.
Irritation
low
Source
semi-synthetic
Beauty ingredient research
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
A lightweight, skin-friendly emollient that hydrates without clogging pores, ideal for sensitive and oily skin types.
Irritation
low
Source
semi-synthetic
A gentle, water-friendly version of argan oil that helps blend oil and water in formulas while leaving skin feeling soft, not greasy.
Irritation
low
Source
semi-synthetic
A mild, eco-friendly emulsifier that helps blend oil and water while leaving skin soft.
Irritation
low
Source
semi-synthetic
A gentle, antioxidant-rich extract from leftover argan seed material that helps protect and condition skin.
Irritation
low
Source
natural
A gentle, natural exfoliant that sloughs off dead skin cells without harsh microplastics, but may feel gritty for sensitive skin.
Irritation
low
Source
natural
A gentle, plant-based antioxidant that may help protect skin from environmental stress, though human studies are still limited.
Irritation
low
Source
biotech
Argilla is a natural clay that helps absorb excess oil and impurities from the skin, making it a popular choice for oily and acne-prone skin types.
Irritation
low
Source
natural
A gentle clay extract that helps absorb excess oil and impurities without over-drying, making it a solid choice for oily or combination skin.
Irritation
low
Source
natural
Arginine is a gentle, naturally occurring amino acid that helps attract moisture to the skin and supports a healthy barrier.
Irritation
low
Source
natural
A gentle, hydrating duo that helps skin retain moisture and feel smoother without irritation.
Irritation
low
Source
mixed
A gentle, synthetic amino acid derivative that may help hydrate and support the skin barrier, though research is still limited.
Irritation
low
Source
synthetic
A gentle amino acid salt that helps maintain skin hydration and supports a healthy moisture barrier without irritation.
Irritation
low
Source
semi-synthetic
A mild, coconut-derived cleansing agent that helps clean skin without stripping its natural moisture barrier.
Irritation
low
Source
semi-synthetic
Arginine Ferulate combines an amino acid with a plant-derived antioxidant to help protect skin from environmental stress and calm irritation.
Irritation
low
Source
semi-synthetic
A mild, amino-acid-based pH adjuster that helps keep formulas gentle while offering a touch of hydration.
Irritation
low
Source
semi-synthetic
A mild, amino-acid-based surfactant that cleanses without stripping the skin, making it a good choice for sensitive or dry skin types.
Irritation
low
Source
semi-synthetic
A mild, amino-acid-based surfactant that effectively cleanses while being gentle on sensitive or dry skin.
Irritation
low
Source
semi-synthetic
A mild, amino-acid-based surfactant that cleanses without stripping the skin barrier.
Irritation
low
Source
semi-synthetic
A mild, amino-acid-based cleanser that effectively removes dirt and oil while respecting the skin barrier.
Irritation
low
Source
semi-synthetic
A mild, amino-acid-based surfactant that effectively cleanses while respecting the skin barrier.
Irritation
low
Source
semi-synthetic
A mild, amino-acid-based surfactant that effectively cleanses while respecting the skin barrier.
Irritation
low
Source
semi-synthetic
A gentle, coconut-derived surfactant that cleanses without stripping the skin, making it a good choice for sensitive or dry skin types.
Irritation
low
Source
semi-synthetic
A synthetic peptide that helps firm skin and soften wrinkles by supporting collagen and elastin.
Irritation
low
Source
synthetic
Argon is a safe, inert gas used mainly as a propellant or packaging filler, but it does not actively benefit the skin.
Irritation
low
Source
natural
Arisaema Root Extract is a traditional botanical with very limited modern cosmetic research; its safety and efficacy are not well-established for skincare.
Irritation
moderate
Source
natural
A gentle botanical oil with antioxidant potential, but limited research and a moderate chance of clogging pores for some skin types.
Irritation
low
Source
natural
A gentle, plant-derived antioxidant that may help protect skin from environmental stress, though research is still emerging.
Irritation
low
Source
biotech
Arnica flower extract can help calm redness and soothe skin, but it may cause irritation for sensitive individuals, especially on broken skin.
Irritation
moderate
Source
natural
Arnica flower oil can help calm irritated skin, but it must be used in low concentrations and never on broken skin due to potential irritation.
Irritation
moderate
Source
natural
Arnica flower water is a gentle, natural anti-inflammatory that can help calm redness and soothe irritated skin, but it is not a treatment for wounds or serious skin conditions.
Irritation
low
Source
natural
A gentle, antioxidant-packed fruit extract that helps protect skin from environmental stress and may support a more even tone.
Irritation
low
Source
natural
A gentle Amazonian plant extract with antioxidant potential, but research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
A gentle Amazonian plant powder with antioxidant potential, but research is limited and it's mostly used for its natural color and traditional reputation.
Irritation
low
Source
natural
Arrowroot extract is a gentle, natural starch that helps absorb excess oil and soothe skin, making it a popular alternative to talc in powders and deodorants.
Irritation
low
Source
natural
A gentle, plant-based powder that soaks up shine and adds a smooth feel without clogging pores.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical blend that may help calm irritation and protect skin from environmental stress.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that may help calm skin and protect against environmental stress, though more human studies are needed.
Irritation
low
Source
natural
A gentle, antioxidant-rich oil from sweet wormwood that may help calm skin and fight environmental stress, though research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that may help calm skin and protect against environmental stress, though research is still emerging.
Irritation
low
Source
natural
A gentle, plant-based ingredient that may help calm redness and protect skin from environmental stress, though human studies are still limited.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant and soothing potential, but research is still emerging and benefits are not yet proven in large human studies.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract that helps calm skin and protect against environmental stress.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical water that helps calm irritation and provides light hydration, ideal for sensitive or reactive skin.
Irritation
low
Source
natural
A gentle, plant-based extract that may help calm irritated skin and provide antioxidant protection, though research specific to this species is still limited.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant and soothing potential, but research is still early and benefits are not yet proven in large human studies.
Irritation
low
Source
natural
A fragrant botanical oil with traditional use for soothing skin, but limited modern research and potential for irritation in sensitive individuals.
Irritation
moderate
Source
natural
A fragrant botanical oil with potential soothing benefits, but limited research and a moderate risk of skin irritation for sensitive individuals.
Irritation
moderate
Source
natural
A gentle, hydrating botanical water that may help calm redness and provide antioxidant protection, especially popular in Korean skincare.
Irritation
low
Source
natural
A gentle botanical extract with potential soothing and antioxidant benefits, but research on its cosmetic efficacy is still limited.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but research is limited and benefits are not yet proven in human skin.
Irritation
low
Source
natural
A fragrant essential oil with a unique scent, but limited research on skincare benefits and a moderate risk of irritation for sensitive skin.
Irritation
moderate
Source
natural
A fragrant botanical oil that adds a unique scent to products but has limited research on direct skincare benefits and may irritate sensitive skin.
Irritation
moderate
Source
natural
A gentle, antioxidant-rich botanical extract that helps calm irritated skin and supports a healthy-looking complexion.
Irritation
low
Source
natural
A gentle, aromatic oil from Korean mugwort that may help calm irritated skin and provide antioxidant support.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract from alpine wormwood that may help calm irritated skin and defend against environmental stress.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract from the Alps that may help calm skin and defend against environmental stress.
Irritation
low
Source
natural
Antioxidant
ARTEMISIA ANNUA/CITRUS JUNOS FRUIT/PINUS DENSIFLORA LEAF EXTRACT
A gentle botanical blend that may help calm skin and defend against environmental stress, though research on the specific combination is limited.
Irritation
low
Source
natural
A gentle, plant-based ingredient that may help calm redness and protect skin from environmental stress, though research is still early.
Irritation
low
Source
natural
Artemisinin is a potent plant compound with promising antioxidant and soothing properties, but its use in skincare is still emerging and lacks robust safety and efficacy data for cosmetic applications.
Irritation
low
Source
natural
A gentle plant extract with early research suggesting antioxidant benefits, but human skincare studies are very limited.
Irritation
low
Source
natural