A gentle, non-greasy emollient that helps soften skin and improve product texture without clogging pores.
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
A gentle, non-greasy emollient that helps soften skin and improve product texture without clogging pores.
Irritation
low
Source
synthetic
A gentle, non-greasy emollient that helps soften and smooth skin without clogging pores.
Irritation
low
Source
synthetic
A gentle, non-greasy emollient that helps skin feel soft and smooth without clogging pores.
Irritation
low
Source
synthetic
A gentle, non-greasy emollient that helps soften and smooth skin without clogging pores.
Irritation
low
Source
synthetic
A gentle, non-greasy emollient that helps soften skin and improve product texture without clogging pores.
Irritation
low
Source
synthetic
Tetradecylpropionates are gentle emollients that help soften skin without feeling greasy, making them a good choice for lightweight moisturizers.
Irritation
low
Source
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 synthetic scent ingredient that adds a pleasant floral-woody note but offers no skincare benefit and may cause sensitivity in some people.
Irritation
low
Source
synthetic
Fragrance Ingredient
Tetrahydro-methyl-methylene-phenyl-pyran
A synthetic scent ingredient that adds a warm, woody aroma but offers no skin benefit and may cause sensitivity in some people.
Irritation
low
Source
synthetic
A synthetic scent molecule that adds a rose-like fragrance but offers no skincare benefits.
Irritation
low
Source
synthetic
Fragrance Ingredient
TETRAHYDRO-METHYL-METHYLPROPYL)-PYRAN-4-OL
A synthetic cooling agent that adds a minty feel to products, but may cause irritation in sensitive skin.
Irritation
moderate
Source
synthetic
Fragrance Ingredient
TETRAHYDRO-METHYL-PROPYL-PYRAN-4-OLACETATE
A synthetic scent ingredient that adds a pleasant aroma but offers no skincare benefits; safe for most when used at low levels.
Irritation
low
Source
synthetic
A gentle synthetic emollient that helps soften and smooth skin with a lightweight feel, but research on its long-term effects is limited.
Irritation
low
Source
synthetic
Fragrance
TETRAHYDRO-PENTAMETHYL-2-NAPHTHALENECARBALDEHYDE
A synthetic fragrance ingredient that adds a woody, amber scent but offers no skincare benefits and may cause sensitivity in some people.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient that adds a pleasant scent but offers no skincare benefits and may be a concern for those with fragrance sensitivities.
Irritation
low
Source
synthetic
A synthetic scent ingredient that adds a fresh, woody note to products but offers no skin benefit and may cause sensitivity in some people.
Irritation
low
Source
synthetic
A synthetic scent ingredient that adds a fresh note to products; generally safe at low levels but may cause sensitivity in some people.
Irritation
low
Source
synthetic
Fragrance
TETRAHYDRO-5-ISOPROPENYL-2-METHYL-2-VINYLFURAN
A synthetic fragrance ingredient that adds a fresh scent but offers no skincare benefits and may irritate sensitive skin.
Irritation
moderate
Source
synthetic
A synthetic fragrance ingredient that adds scent to products but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic fragrance ingredient that adds a sweet floral note to products; generally safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A stable, colorless turmeric derivative that offers antioxidant and brightening benefits without staining skin.
Irritation
low
Source
semi-synthetic
A synthetic fragrance ingredient that adds a pleasant scent but offers no skincare benefits and may cause sensitivity in some people.
Irritation
low
Source
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 synthetic scent ingredient that adds a sweet, warm note to products; generally considered safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A synthetic scent ingredient that adds a warm, woody note to products but offers no skincare benefit and may be unnecessary for sensitive noses.
Irritation
low
Source
synthetic
A synthetic solvent and fragrance ingredient that helps dissolve other ingredients but may cause irritation for sensitive skin.
Irritation
moderate
Source
synthetic
A synthetic solvent that helps other ingredients absorb deeper into skin, but may cause irritation for sensitive types.
Irritation
moderate
Source
synthetic
A gentle, non-greasy emollient that softens skin and improves product texture, with a low risk of irritation or clogged pores.
Irritation
low
Source
semi-synthetic
A synthetic citrus-scented fragrance ingredient that can cause skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
Tetrahydroindeno-Dioxin is a synthetic fragrance ingredient with limited research; it is generally considered safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A synthetic scent ingredient that adds a woody-floral note but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A lightweight synthetic emollient that hydrates without clogging pores, ideal for oily and acne-prone skin.
Irritation
low
Source
synthetic
A gentle, plant-inspired ingredient that helps balance oil production and refine pores without drying out the skin.
Irritation
low
Source
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 scent ingredient that adds a fresh, citrusy note to products but offers no direct skin benefit.
Irritation
low
Source
synthetic
Tetrahydronaphthalenol is a synthetic fragrance ingredient that adds scent to products but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
Tetrahydropalmatine HCl is a plant alkaloid that may help calm skin, but research in cosmetics is still emerging.
Irritation
low
Source
natural
Tetrahydropiperine boosts the absorption of other skincare ingredients but may cause tingling or irritation in sensitive skin.
Irritation
moderate
Source
synthetic
A gentle, effective brightener that helps even skin tone with low irritation risk.
Irritation
low
Source
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 gentle chelating agent that helps your skincare products stay effective and stable by neutralizing hard water minerals.
Irritation
low
Source
synthetic
A gentle synthetic conditioning agent that helps soften hair and skin without heavy buildup.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient with limited safety data; best for those who tolerate synthetic scents well.
Irritation
moderate
Source
synthetic
A widely used synthetic fragrance that gives a warm, woody scent but offers no skincare benefits and may cause sensitivity in some people.
Irritation
low
Source
synthetic
Fragrance Ingredient
TETRAMETHYL-3-CYCLOHEXENE-1-METHYL FORMATE
A synthetic scent ingredient that adds a fresh floral note but offers no skincare benefit and may cause sensitivity in some people.
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 scent ingredient that adds a pleasant floral-woody note but offers no skincare benefits and may trigger sensitivities in some people.
Irritation
low
Source
synthetic
A synthetic scent ingredient that adds a fresh citrus note but offers no skincare benefits and may be a concern for those avoiding fragrance.
Irritation
low
Source
synthetic
A high-performance silicone that gives a silky, non-greasy feel and helps other ingredients spread evenly.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient that adds a fresh scent but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic scent ingredient that adds a pleasant note to products but offers no skincare benefit and may cause sensitivity in some people.
Irritation
low
Source
synthetic
A synthetic compound that may help soften expression lines by relaxing facial muscles, but research is still limited compared to more established ingredients.
Irritation
low
Source
synthetic
A lightweight silicone that makes products feel silky and spread easily, with a very low risk of irritation or clogged pores.
Irritation
low
Source
synthetic
A synthetic scent ingredient that adds a fresh note but offers no skincare benefit and may cause sensitivity in some people.
Irritation
low
Source
synthetic