A gentle, antioxidant-rich botanical extract that helps protect skin from environmental stress and may calm irritation.
Irritation
low
Source
natural
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 gentle, antioxidant-rich botanical extract that helps protect skin from environmental stress and may calm irritation.
Irritation
low
Source
natural
A gentle, antioxidant-rich extract from Tasmanian pepperberry that helps protect skin from environmental stress and may calm irritation.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical powder that may help protect skin from environmental stress and support a balanced microbiome.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract that may help protect skin from environmental stress, though human studies are limited.
Irritation
low
Source
natural
Taurine is a gentle antioxidant and hydrator that helps protect skin from environmental stress and supports moisture balance.
Irritation
low
Source
natural
Taxamairin A is a plant-derived antioxidant with early research suggesting it may help protect skin from environmental stress, but it is not yet widely studied in cosmetics.
Irritation
low
Source
natural
Taxamairin C is a rare plant antioxidant from yew trees with promising lab data, but human skin studies are still limited.
Irritation
low
Source
natural
Taxiresinol is a plant-derived antioxidant that may help calm skin and fight free radical damage, but research is still early.
Irritation
low
Source
natural
Antioxidant
TAXUS CUSPIDATA MERISTEM CELL CULTURE CONDITIONED MEDIA
A plant stem cell ingredient that may help protect skin from environmental stress, but human research is still limited.
Irritation
low
Source
biotech
TBHQ is a synthetic preservative that keeps oils fresh, but its safety is debated at higher concentrations.
Irritation
low
Source
synthetic
A synthetic antioxidant that helps keep your products fresh, but it's not a star ingredient for your skin.
Irritation
low
Source
synthetic
A synthetic antioxidant that helps keep oils and fats from going rancid, but it's not a star active for skin benefits.
Irritation
low
Source
synthetic
A gentle antioxidant duo from green tea and ginseng that helps protect skin from environmental stress and may support a calmer complexion.
Irritation
low
Source
natural
A gentle, antioxidant-rich extract from young tea leaves that helps protect skin from environmental stress and may calm irritation.
Irritation
low
Source
natural
A promising but under-researched ingredient that may support skin repair and brightness by aiding sulfur-based processes in the skin.
Irritation
low
Source
semi-synthetic
A gentle plant extract with antioxidant potential, but limited human studies to back its skincare claims.
Irritation
low
Source
natural
Teff Seed Extract is a gentle, antioxidant-rich ingredient that may help protect skin from environmental stress and support hydration, though research is still emerging.
Irritation
low
Source
natural
A gentle, fragrant flower extract with antioxidant potential, but research is limited and benefits are mostly theoretical.
Irritation
low
Source
natural
A gentle, antioxidant-rich fruit powder that helps protect skin from environmental stress and may calm minor irritation.
Irritation
low
Source
natural
A gentle, antioxidant-rich oil that helps protect skin from environmental stress and supports a healthy-looking complexion.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract that helps protect skin from environmental stress while supporting a calm, even-looking complexion.
Irritation
low
Source
natural
A potent natural antioxidant from Kakadu plum that helps brighten skin and fight environmental damage, but its vitamin C content can be unstable in water-based formulas.
Irritation
low
Source
natural
A gentle, plant-based antioxidant extract that may help calm skin and fight free radical damage, though research is still early.
Irritation
low
Source
natural
Terpinolene is a natural antioxidant and fragrance ingredient, but its strong scent and moderate irritation potential mean it's best for those without sensitive skin.
Irritation
moderate
Source
natural
Terrein is a promising fungal-derived ingredient that may help brighten skin and fight oxidative stress, but research is still early.
Irritation
low
Source
natural
A gentle algae extract that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
natural
Tetrabutyl Ethylidenebisphenol is a synthetic antioxidant that helps keep skincare products stable, but it is less studied than common alternatives like vitamin E.
Irritation
low
Source
synthetic
A gentle antioxidant derived from citrus flavonoids that helps calm skin and fight free radical damage.
Irritation
low
Source
semi-synthetic
A gentle algae extract that helps hydrate and protect skin from environmental stress, though research is still developing.
Irritation
low
Source
natural
A gentle, stable vitamin C that penetrates skin well and brightens without the sting of L-ascorbic acid.
Irritation
low
Source
semi-synthetic
A stable, colorless turmeric derivative that offers antioxidant and brightening benefits without staining skin.
Irritation
low
Source
semi-synthetic
A gentle, stabilized turmeric derivative that helps even skin tone and fights oxidative stress without the yellow staining of raw curcumin.
Irritation
low
Source
semi-synthetic
A synthetic antioxidant derived from curcumin that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
synthetic
A stable, non-staining turmeric derivative that fights oxidative stress and helps even skin tone without the yellow tint of raw turmeric.
Irritation
low
Source
natural
A gentle, stable antioxidant derived from turmeric that helps protect skin from environmental stress without the staining or irritation of raw curcumin.
Irritation
low
Source
semi-synthetic
A gentle antioxidant derived from magnolia bark that helps calm skin and fight free radical damage without common irritation.
Irritation
low
Source
semi-synthetic
A synthetic antioxidant that may help protect skin from environmental stress, but research is still limited.
Irritation
low
Source
synthetic
A synthetic antioxidant that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
synthetic
A synthetic antioxidant that may help protect skin from environmental stress, but research is still emerging.
Irritation
low
Source
synthetic
A lab-made antioxidant that helps defend skin against pollution and UV-related damage, often found in anti-aging formulas.
Irritation
low
Source
synthetic
A synthetic antioxidant that helps shield skin from oxidative damage, but research is still limited compared to more established antioxidants.
Irritation
low
Source
synthetic
A gentle, stabilized antioxidant that may help defend skin against pollution and UV damage without irritation.
Irritation
low
Source
semi-synthetic
Tetramethylpyrazine is a gentle antioxidant from fermented sources that may help calm skin and support microcirculation, though human skincare studies are still limited.
Irritation
low
Source
natural
Tetrandrine is a plant alkaloid with promising anti-inflammatory and antioxidant benefits, but research in topical skincare is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich microalgae extract that helps soothe and protect the skin from environmental stress.
Irritation
low
Source
natural
Antioxidant
Tetrasodium Tetracarboxymethyl Naringeninchalcone
A gentle, water-soluble antioxidant derived from citrus that helps calm skin and fight free radical damage.
Irritation
low
Source
semi-synthetic
A gentle botanical extract with antioxidant potential, but research on its skincare benefits is still limited.
Irritation
low
Source
natural
Teupolioside is a gentle plant antioxidant that may help calm skin and defend against environmental stress, though research is still early.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that may help soothe and protect skin, but research is still emerging.
Irritation
low
Source
natural
A gentle, algae-derived extract that may help protect skin from environmental stress and support hydration, though research is still early.
Irritation
low
Source
natural
A gentle marine algae extract that helps hydrate skin and protect against environmental stress, though research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich marine ferment that helps hydrate and protect the skin, but research is still emerging.
Irritation
low
Source
biotech
A gentle lichen extract with antioxidant potential, but research is still early and benefits are not yet proven in humans.
Irritation
low
Source
natural
A natural sweetener and mild antioxidant from a West African fruit, used mainly for flavor in lip products rather than for skin benefits.
Irritation
low
Source
natural
Theanine is a gentle, calming amino acid that helps soothe stressed skin and fight environmental damage.
Irritation
low
Source
natural
A gentle fern extract that may help protect skin from environmental stress, but research is still early.
Irritation
low
Source
natural
A synthetic antioxidant that may help protect skin from environmental stress, but research is still limited compared to more established ingredients.
Irritation
low
Source
synthetic
A gentle antioxidant from cacao that may help soothe skin and support a firmer appearance.
Irritation
low
Source
natural
A gentle, fat-soluble form of vitamin B1 that may help calm skin and support antioxidant defenses, though research in cosmetics is still limited.
Irritation
low
Source
semi-synthetic
A bioactive form of vitamin B1 that may help protect skin from oxidative stress and support a healthy-looking complexion, though research in topical skincare is still emerging.
Irritation
low
Source
semi-synthetic