Beauty ingredients explained in plain English

A lightweight synthetic emollient that hydrates without clogging pores, ideal for oily and acne-prone skin.

A gentle, plant-inspired ingredient that helps balance oil production and refine pores without drying out the skin.

A gentle antioxidant derived from magnolia bark that helps calm skin and fight free radical damage without common irritation.

A synthetic scent ingredient that adds a fresh, citrusy note to products but offers no direct skin benefit.

Tetrahydronaphthalenol is a synthetic fragrance ingredient that adds scent to products but may cause irritation in sensitive individuals.

Tetrahydropalmatine HCl is a plant alkaloid that may help calm skin, but research in cosmetics is still emerging.

Tetrahydropiperine boosts the absorption of other skincare ingredients but may cause tingling or irritation in sensitive skin.

A gentle, effective brightener that helps even skin tone with low irritation risk.

A synthetic antioxidant that may help protect skin from environmental stress, but research is still limited.

A synthetic antioxidant that may help calm skin and fight free radicals, but research is still early.

A synthetic antioxidant that may help protect skin from environmental stress, but research is still emerging.

A gentle chelating agent that helps your skincare products stay effective and stable by neutralizing hard water minerals.

A gentle synthetic conditioning agent that helps soften hair and skin without heavy buildup.

A synthetic fragrance ingredient with limited safety data; best for those who tolerate synthetic scents well.

A widely used synthetic fragrance that gives a warm, woody scent but offers no skincare benefits and may cause sensitivity in some people.

A synthetic scent ingredient that adds a fresh floral note but offers no skincare benefit and may cause sensitivity in some people.

A lab-made antioxidant that helps defend skin against pollution and UV-related damage, often found in anti-aging formulas.

A synthetic scent ingredient that adds a pleasant floral-woody note but offers no skincare benefits and may trigger sensitivities in some people.

A synthetic scent ingredient that adds a fresh citrus note but offers no skincare benefits and may be a concern for those avoiding fragrance.

A high-performance silicone that gives a silky, non-greasy feel and helps other ingredients spread evenly.

A synthetic fragrance ingredient that adds a fresh scent but may cause irritation in sensitive individuals.

A synthetic scent ingredient that adds a pleasant note to products but offers no skincare benefit and may cause sensitivity in some people.

A synthetic compound that may help soften expression lines by relaxing facial muscles, but research is still limited compared to more established ingredients.

A lightweight silicone that makes products feel silky and spread easily, with a very low risk of irritation or clogged pores.

A synthetic scent ingredient that adds a fresh note but offers no skincare benefit and may cause sensitivity in some people.

A synthetic scent ingredient that adds a warm, woody note but offers no skincare benefit and may be unnecessary for sensitive noses.

Tetramethylammonium chloride is a synthetic salt used in tiny amounts as a processing aid; it has limited direct skin benefit and moderate irritation potential at higher concentrations.

A synthetic fragrance ingredient that adds scent but may cause irritation in sensitive individuals.

A synthetic antioxidant that helps shield skin from oxidative damage, but research is still limited compared to more established antioxidants.

A gentle, stabilized antioxidant that may help defend skin against pollution and UV damage without irritation.

A synthetic scent ingredient that adds a warm, woody note but offers no skincare benefits and may cause sensitivity in some people.

A synthetic scent ingredient that adds a warm, woody note but offers no skin benefit and may cause sensitivity in some people.

A synthetic fragrance ingredient that adds a pleasant floral note but offers no skincare benefits and may be unnecessary for sensitive skin.

A synthetic emollient that helps soften and smooth skin with a low risk of irritation or clogged pores.

Tetramethylhexanal is a synthetic fragrance ingredient that adds a fresh, citrusy note to products, but it may cause skin irritation in sensitive individuals.

A synthetic scent compound that adds a fresh note to products but may cause irritation in sensitive individuals.

A synthetic film-former that helps products stay put, but it's not a star ingredient for skin health.

Tetramethylpyrazine is a gentle antioxidant from fermented sources that may help calm skin and support microcirculation, though human skincare studies are still limited.

Tetrandrine is a plant alkaloid with promising anti-inflammatory and antioxidant benefits, but research in topical skincare is still emerging.

Tetrapeptide-1 is a gentle peptide that may help support collagen and reduce fine lines, but research is still emerging.

Tetrapeptide-11 is a synthetic peptide that may help support skin firmness and reduce fine lines, but research is still early and results can be subtle.

Tetrapeptide-15 is a synthetic peptide that may help support collagen and reduce the appearance of fine lines, but research is still emerging.

A lab-made peptide that may help firm skin and reduce fine lines, but research is still emerging.

Tetrapeptide-2 is a gentle peptide that may help firm skin and reduce under-eye bags, but research is still emerging.

Tetrapeptide-21 is a lab-made peptide that signals skin to produce more collagen, helping soften fine lines over time with a very low risk of irritation.

A lab-made peptide that may help firm skin and soften fine lines, but results are subtle and require consistent use.

A synthetic peptide that may help firm skin and soften fine lines, with good tolerability for most skin types.

Tetrapeptide-3 is a gentle peptide that may help firm skin and reduce under-eye puffiness, but research is still emerging.

Tetrapeptide-36 is a synthetic peptide that may help support skin firmness and reduce fine lines, but research is still emerging and results vary.

Tetrapeptide-38 is a lab-made peptide that signals skin cells to boost collagen production, helping to smooth fine lines and improve firmness with minimal irritation risk.

Tetrapeptide-39 is a lab-made peptide that may help firm skin and reduce fine lines, but research is still early and it's less proven than more common peptides.

A gentle peptide that may help reduce under-eye puffiness and support firmer-looking skin over time.

Tetrapeptide-40 is a lab-made peptide that may help support skin structure and reduce signs of aging, but research is still early.

Tetrapeptide-41 is a lab-made peptide that may help support skin firmness and smoothness, but research is still early and results vary.

Tetrapeptide-44 is a lab-made peptide that may help support collagen and improve skin firmness, but research is still early.

A lab-made peptide fused with a form of vitamin B3, aimed at supporting skin structure, but with limited independent research.

Tetrapeptide-45 is a lab-made peptide that may help support collagen and improve skin firmness, but research is still early and results vary.

Tetrapeptide-46 is a lab-made peptide that may help support collagen and improve skin firmness, but research is still early and results vary.

Tetrapeptide-48 is a lab-made peptide that may help support skin firmness and reduce fine lines, but research is still early and results vary.

Tetrapeptide-49 is a lab-made peptide that may help support skin firmness and reduce fine lines, but research is still early and results vary.