TEA-Polyphosphate is a gentle chelating agent that helps preserve product freshness and enhances the performance of other ingredients.
Irritation
low
Source
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
TEA-Polyphosphate is a gentle chelating agent that helps preserve product freshness and enhances the performance of other ingredients.
Irritation
low
Source
synthetic
TEA-Rosinate helps makeup and sunscreen stay put longer, but it may not suit those with very sensitive skin or allergies to rosin derivatives.
Irritation
low
Source
semi-synthetic
TEA-Sorbate is a gentle preservative that helps keep your products fresh, but it may cause mild irritation for very sensitive skin.
Irritation
low
Source
synthetic
TEA-Stearate helps cleansers foam and creams stay smooth, but it may be drying or irritating for sensitive skin.
Irritation
moderate
Source
synthetic
TEA-Tallate helps cleansers foam and remove oil, but it can be drying or irritating for sensitive skin.
Irritation
moderate
Source
semi-synthetic
A gentle, amino-acid-based surfactant that effectively cleanses without stripping the skin barrier, ideal for sensitive or dry skin.
Irritation
low
Source
semi-synthetic
An effective synthetic cleanser that can be drying or irritating for sensitive skin, but is generally safe in rinse-off formulas.
Irritation
moderate
Source
synthetic
An effective cleansing and antimicrobial agent, but may be drying for sensitive or dry skin types.
Irritation
moderate
Source
semi-synthetic
A gentle, semi-synthetic ingredient that helps condition skin and may offer mild antimicrobial support, but its collagen benefits are limited to surface-level hydration.
Irritation
low
Source
semi-synthetic
A gentle bark extract with antioxidant potential, but research is limited and benefits are not yet well-established.
Irritation
low
Source
natural
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, plant-based oil that hydrates and softens skin with a light feel, though research on its specific benefits is still limited.
Irritation
low
Source
natural
Telmesteine is a synthetic peptide-like ingredient that may help firm and smooth skin, but research is still emerging and it is not widely studied in humans.
Irritation
low
Source
synthetic
A gentle, fragrant flower extract with antioxidant potential, but research is limited and benefits are mostly theoretical.
Irritation
low
Source
natural
A gentle, biotech-derived ingredient from marine bacteria that may help calm skin and fight oxidative stress, though research is still early.
Irritation
low
Source
biotech
Teprenone is a synthetic ingredient that may help calm skin and support the skin barrier, but research in cosmetics is still emerging.
Irritation
low
Source
synthetic
Tepyl acetate is a synthetic scent ingredient that adds a fresh, herbal note to products, but it offers no skincare benefits and may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A highly photostable, broad-spectrum UVA filter that offers reliable sun protection with a low irritation profile.
Irritation
low
Source
synthetic
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 hydrate and protect the skin, with a low risk of irritation or clogged pores.
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, antioxidant-rich seed oil that moisturizes and protects skin, though research on its unique benefits is still emerging.
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
Terpene alcohol acetates are natural fragrance compounds that add pleasant scents to products but may cause irritation in sensitive individuals.
Irritation
moderate
Source
natural
A fragrant terpene blend that adds scent but may irritate sensitive skin.
Irritation
moderate
Source
natural
Terpineol adds a pleasant floral scent to products but may cause irritation in sensitive skin, especially at higher concentrations.
Irritation
moderate
Source
natural
Terpineol Acetate is a naturally derived fragrance ingredient that adds a pleasant floral scent but may cause irritation in sensitive skin.
Irritation
moderate
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
Terpinyl Formate is a synthetic fragrance ingredient with a pleasant floral-herbal scent; it is generally considered safe at low levels but offers no skincare benefits beyond scent.
Irritation
low
Source
synthetic
Terpinyl Isobutyrate is a synthetic fragrance ingredient with a pleasant floral-herbal scent; it is generally considered safe at low concentrations but offers no skincare benefits.
Irritation
low
Source
synthetic
Terpinyl Propionate is a synthetic fragrance ester that adds a pleasant floral-herbal scent to products, but it offers no skincare benefits and may cause sensitivity in those with fragrance allergies.
Irritation
low
Source
synthetic
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 synthetic floral scent that can cause irritation in sensitive skin; best avoided if you react to fragrance.
Irritation
moderate
Source
synthetic
A synthetic fragrance compound with limited public data; generally considered safe at low concentrations but best for those who tolerate added fragrance.
Irritation
low
Source
synthetic
A synthetic fragrance compound with limited safety data; best for those who tolerate added scents well.
Irritation
moderate
Source
synthetic
A synthetic scent ingredient that adds a unique woody note but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
An unusual animal-derived ingredient with limited research; may offer hydration but raises ethical and safety questions.
Irritation
moderate
Source
natural
A gentle silicone that helps products glide on smoothly and leaves skin feeling soft without clogging pores.
Irritation
low
Source
synthetic
A gentle, lipid-like ingredient that supports the skin's natural barrier and helps lock in moisture.
Irritation
low
Source
semi-synthetic
A gentle algae extract that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
natural
Tetrabromophenol Blue is a synthetic dye with no proven skincare benefits; its use in cosmetics is rare and primarily as a colorant.
Irritation
moderate
Source
synthetic
A lightweight silicone that smooths skin and reduces tackiness without clogging pores.
Irritation
low
Source
synthetic
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 synthetic UV filter that helps protect skin from sun damage and stabilizes other sunscreen ingredients.
Irritation
low
Source
synthetic
Anti-aging agent
TETRACARBOXYMETHYL DIHYDROXYBENZOYL DIPEPTIDE-12
A synthetic peptide that may help support skin firmness and reduce fine lines, but research is still emerging and results vary.
Irritation
low
Source
synthetic
A synthetic peptide that may help support skin firmness and reduce wrinkle depth, but human studies are limited.
Irritation
low
Source
synthetic
A synthetic peptide that may help improve skin firmness and reduce fine lines, with low irritation potential.
Irritation
low
Source
synthetic
A synthetic peptide that may help support collagen and improve skin firmness, but more human studies are needed to confirm its effectiveness.
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 lab-made peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with consistent use.
Irritation
low
Source
synthetic
Tetradecane is a lightweight, non-greasy emollient that helps products glide on smoothly without clogging pores.
Irritation
low
Source
synthetic
Tetradecene is a lightweight synthetic emollient that helps products glide on smoothly without a greasy feel, but it offers no active skincare benefits.
Irritation
low
Source
synthetic
Anti-wrinkle agent
TETRADECYL AMINOBUTYROYLVALYLAMINOBUTYRIC UREA TRIFLUOROACETATE
A synthetic peptide that mimics the effects of certain neuropeptides to soften expression lines, but results are subtle and temporary.
Irritation
low
Source
synthetic
A gentle, non-irritating fatty acid that helps soften and smooth the skin without clogging pores.
Irritation
low
Source
synthetic
A gentle, non-greasy emollient that helps soften and smooth the skin without clogging pores.
Irritation
low
Source
synthetic
A gentle, non-greasy emollient that helps moisturize and improve the feel of skincare products without clogging pores.
Irritation
low
Source
synthetic
A gentle, synthetic fatty acid that softens and smooths skin with a very low risk of irritation or clogged pores.
Irritation
low
Source
synthetic