Beauty ingredients explained in plain English

A synthetic floral scent ingredient that is generally safe at low levels but may cause irritation in sensitive individuals.

A synthetic sweet-scented ester that adds fragrance to products; generally safe at low concentrations but may cause sensitivity in some individuals.

Isoamyl propionate is a synthetic fragrance ester that adds a fruity, sweet scent to products; it is generally considered safe at low levels but offers no skincare benefit beyond scent.

Isoamyl Tiglate is a synthetic ester used to add a sweet, fruity scent to products; it is generally considered safe at low concentrations but offers no skincare benefits.

Isobergamate is a synthetic fragrance that adds a citrusy scent but may cause skin irritation in sensitive individuals.

Isoborneol offers a cooling sensation and mild antimicrobial benefits, but may cause irritation in sensitive skin at higher concentrations.

Isobornyl Acetate is a synthetic fragrance ingredient that adds a fresh, pine-like scent to products, but it may cause sensitivity in those with fragrance allergies.

Isobornyl Formate is a synthetic fragrance ingredient that adds a fresh, pine-like scent to products; it is generally considered safe at low concentrations but may cause sensitivity in some individuals.

Isobornyl Isovalerate is a synthetic fragrance ingredient that adds a subtle woody note to products, but its main role is scent, not skin benefit.

Isobornyl Methyl Ether is a synthetic fragrance ingredient that adds a fresh, pine-like scent; it is generally considered safe at low concentrations but may cause irritation in sensitive individuals.

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

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

Isobutyl Angelate is a synthetic fragrance ingredient that adds a sweet, fruity scent to products, but it offers no skincare benefits and may be a concern for those with fragrance sensitivities.

A synthetic fragrance ingredient that helps dissolve other ingredients and adds a pleasant scent, but offers no direct skin benefit.

Isobutyl Butyrate is a synthetic fragrance ingredient that adds a fruity, apple-like scent to products; it is generally considered safe at low concentrations but may cause irritation in sensitive individuals.

Isobutyl Cinnamate is a synthetic fragrance ingredient that adds a sweet, balsamic scent to products; it is generally considered safe at low concentrations but may cause skin reactions in sensitive individuals.

Isobutyl Formate is a synthetic fragrance ingredient that adds a fruity scent to products; it is generally considered safe at low levels but may cause sensitivity in some individuals.

A synthetic scent ingredient that adds a fruity note but offers no skincare benefit and may be unnecessary for sensitive skin.

A synthetic ester that adds a fruity scent to products; generally safe at low concentrations but may cause sensitivity in some individuals.

Isobutyl isobutyrate is a synthetic fragrance ingredient that adds a fruity, sweet scent to products; it is generally considered safe at low concentrations but may cause irritation in sensitive individuals.

A synthetic fragrance ester that adds a fruity, apple-like scent; generally considered safe at low concentrations but offers no skincare benefit.

A synthetic fragrance compound that adds a pleasant scent but may cause skin reactions in sensitive individuals.

A synthetic scent molecule that adds a fresh, green note to products but offers no skincare benefit.

A synthetic scent ingredient that adds a fresh floral note but offers no skincare benefit and may be unnecessary for sensitive skin.

A synthetic fragrance ester that adds a sweet, honey-like scent; generally considered safe at low concentrations but may cause sensitivity in some individuals.

Isobutyl Propionate is a synthetic ester used for its fruity scent in cosmetics; it is generally considered safe at low concentrations but offers no skincare benefits.

A synthetic fragrance ingredient that adds a unique scent but offers no skincare benefits; safe at low concentrations but may cause sensitivity in some individuals.

A synthetic fragrance compound that adds a pleasant floral note but may cause irritation in sensitive individuals.

Isobutyl Tiglate is a synthetic fragrance ingredient that adds a sweet, fruity scent to products; it is generally considered safe at low levels but offers no skincare benefits.

A synthetic scent ingredient that adds a leathery note but may cause irritation for sensitive skin.

Isobutylthiazole is a synthetic fragrance compound that adds a green, nutty, or roasted note to products; it is generally safe at low levels but may cause sensitivity in some individuals.

A synthetic fragrance ingredient that adds a sharp, fruity scent but may cause skin irritation in sensitive individuals.

Isobutyric acid is a fragrance ingredient and pH adjuster that is generally safe at low levels but can be irritating in high concentrations.

A synthetic fragrance ingredient that adds a warm, woody scent; generally considered safe at low levels but may cause sensitivity in some individuals.

Isocarvyl acetate is a synthetic fragrance ingredient that adds a fresh, herbal scent to products; it is generally considered safe at low concentrations but may cause sensitivity in some individuals.

Isocyclocitral is a synthetic fragrance that provides a fresh citrus scent but may cause irritation in sensitive individuals.

Isocyclogeraniol is a synthetic fragrance ingredient that adds a floral scent but offers no skincare benefits and may cause sensitivity in some individuals.

Isoeugenol is a fragrant compound that adds a warm, spicy scent to products but can be a common skin sensitizer for some people.

Isoeugenyl Acetate is a synthetic fragrance compound with a warm, spicy scent, but it can be a skin sensitizer for some people.

Isoeugenyl Benzoate is a synthetic fragrance compound that adds a warm, floral scent but can be a skin sensitizer for some people.

Isoeugenyl Phenylacetate is a synthetic fragrance ingredient that provides a sweet, floral scent but may cause skin irritation in sensitive individuals.

Isolongifolanone is a safe, widely used fragrance ingredient that adds a warm, woody scent but offers no direct skincare benefit.

A synthetic woody fragrance ingredient that is generally considered safe at low concentrations but offers no skincare benefits.

A woody, balsamic fragrance ingredient that is generally safe at low concentrations but may cause sensitivity in some individuals.

Isomenthone provides a cooling sensation and fresh scent in skincare, but can be irritating for sensitive skin at higher concentrations.

Isomethyl ionone is a common synthetic fragrance that gives a pleasant floral scent, but it may cause allergic reactions in sensitive individuals.

Isononanal is a synthetic fragrance ingredient that adds a citrusy scent, but it may cause skin irritation in sensitive individuals.

A synthetic fragrance ingredient that adds a fresh scent but offers no skincare benefits; safe at low levels but may cause sensitivity in some people.

Isopentanal is a synthetic fragrance ingredient that adds a sweet, fruity note but may cause skin irritation in sensitive individuals at higher concentrations.

Isopentenol is a synthetic fragrance ingredient with limited safety data; it may cause irritation in sensitive individuals and is best avoided if you prefer fragrance-free skincare.

A synthetic fragrance ester with limited research; generally considered safe at low concentrations but may cause sensitivity in some individuals.

A synthetic fragrance ester with mild skin-conditioning properties, generally safe but may cause sensitivity in those allergic to fragrance ingredients.

A synthetic fragrance ingredient that adds a pleasant scent but offers no skincare benefits; generally safe at low concentrations.

A synthetic scent ingredient that adds a pleasant floral-woody note but may cause skin irritation in sensitive individuals.

A synthetic fragrance ingredient that adds a pleasant scent but may cause irritation for sensitive skin.

Isopropoxyethyl Benzene is a synthetic fragrance ingredient with limited safety data; it may cause skin irritation in sensitive individuals.

A synthetic fragrance ingredient that adds a fruity note but offers no skincare benefit; safe at low levels but may cause sensitivity in some individuals.

A synthetic fragrance compound that adds unique sulfurous notes to products; generally safe at low concentrations but offers no skincare benefit.

Isopropyl Cinnamate is a synthetic fragrance ingredient that adds a sweet, balsamic scent to products, but it may cause skin irritation in sensitive individuals.

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