Beauty ingredients explained in plain English

A traditional botanical extract with astringent properties, but limited modern research and potential for skin irritation in sensitive individuals.

Cineole can offer a cooling, refreshing feel and some antimicrobial benefits, but it may irritate sensitive skin, especially at higher concentrations.

Cinnamal is a common fragrance allergen that can cause skin irritation and allergic reactions, especially in sensitive individuals.

A synthetic fragrance compound that adds a sweet, floral-spicy scent but may cause skin irritation in sensitive individuals.

A synthetic cinnamon-scented fragrance ingredient that can cause skin irritation in sensitive individuals, especially at higher concentrations.

Cinnamic acid is a gentle antioxidant that helps protect skin from environmental stress, but it's not a standout active compared to more researched options.

A synthetic peptide that temporarily softens expression lines by calming facial muscles, similar to a milder, topical version of neuromodulators.

Cinnamon Wood Oil adds a warm, spicy scent and may offer antimicrobial benefits, but it is a known skin irritant and allergen, so it's best used in low concentrations and avoided by sensitive skin.

Cinnamonitrile is a synthetic fragrance ingredient that adds a cinnamon-like scent, but it can be a skin sensitizer for some people.

A fragrant essential oil with limited research; best for those who enjoy natural scents but may irritate sensitive skin.

A gentle alternative to EDTA that helps your products stay fresh and stable without harsh preservatives.

Cinnamoyl Tryptamine is a synthetic peptide that may help improve skin firmness and reduce wrinkles, but research is still early and it's less common than better-studied peptides.

Cinnamyl acetate adds a warm, spicy scent to products but can be a skin sensitizer for some people.

Cinnamyl alcohol adds a warm, floral scent to products but is a common allergen that can cause skin reactions in sensitive individuals.

Cinnamyl Benzoate is a common synthetic fragrance ingredient that adds a warm, sweet scent but may cause skin irritation or allergic reactions in sensitive individuals.

Cinnamyl Butyrate is a synthetic fragrance ingredient that adds a sweet, balsamic scent but may cause skin irritation in sensitive individuals.

Cinnamyl Cinnamate adds a warm, spicy scent and offers mild UV protection, but it can be a skin sensitizer for some people.

Cinnamyl Formate adds a sweet, balsamic scent to products but can be a skin sensitizer for some people.

Cinnamyl isobutyrate is a synthetic fragrance ingredient that adds a sweet, balsamic scent to products, but it may cause skin reactions in sensitive individuals.

Cinnamyl Isovalerate is a synthetic fragrance ingredient that adds a sweet, balsamic scent but may cause skin sensitivity in some people.

Cinnamyl Phenylacetate is a synthetic fragrance ingredient that adds a sweet, floral scent to products, but may cause sensitivity in some individuals.

Cinnamyl Propionate adds a warm, spicy scent to products but may cause skin irritation in sensitive individuals, especially at higher concentrations.

Cinoxate is a UVB filter that protects skin from sunburn, but it is less common today due to newer, more photostable alternatives.

A gentle botanical extract with antioxidant potential, but research is limited and benefits are not yet well-established in human skin.

A gentle botanical extract with antioxidant potential, but research is still early and benefits are not yet well-established.

A gentle, plant-based antioxidant that helps calm skin and fight environmental stress, though research is still early.

A gentle, antioxidant-rich botanical extract that may help calm irritated skin and protect against environmental stress.

A gentle, plant-based antioxidant that may help calm skin and defend against environmental stress, though human studies are limited.

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

A synthetic fragrance compound that adds a pleasant scent but offers no skincare benefits and may cause sensitivity in some individuals.

Cis-3-Heptenyl Acetate is a synthetic scent ingredient that adds a fresh, green note to products, but offers no skincare benefit and may cause sensitivity in those with fragrance allergies.

Cis-3-Hexenal is a green, leafy scent ingredient that can add freshness to products but may cause skin irritation in sensitive individuals at higher levels.

A synthetic fragrance ingredient that adds a fresh, green scent but offers no skincare benefits and may be unnecessary for sensitive skin.

A gentle, plant-derived fragrance ingredient that provides a fresh green scent with a low risk of irritation.

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

A synthetic fragrance ingredient that adds a green, leafy scent but offers no skincare benefits and may cause sensitivity in some people.

A synthetic fragrance ester that adds a fresh, green scent to products; generally safe at low levels but offers no skincare benefit.

A natural green-scented ester that adds a fresh, leafy fragrance to products; generally safe and non-irritating at cosmetic levels.

A synthetic fragrance ingredient that adds a fresh green scent but offers no direct skincare benefit and may be a concern for those with fragrance sensitivities.

A synthetic green-note fragrance ingredient that adds a fresh scent but offers no skincare benefits.

A synthetic fragrance ingredient that adds a fresh green scent; generally safe at low levels but may cause sensitivity in some individuals.

A synthetic fragrance ingredient that adds a fresh, green scent; generally safe but may cause sensitivity in those with fragrance allergies.

A synthetic fragrance ingredient that provides a fresh, leafy scent and mild skin conditioning, but offers no significant skincare benefits on its own.

A synthetic fragrance ingredient that adds a fresh, green scent but offers no skincare benefits and may cause sensitivity in some individuals.

A synthetic fragrance ingredient that provides a pleasant green-floral scent; generally safe at low concentrations but may cause sensitivity in some individuals.

A synthetic fragrance ingredient that adds a fresh, green scent; generally considered safe at low concentrations but may be a concern for those with fragrance sensitivities.

A synthetic scent ingredient that makes products smell fresh and green, but offers no skin benefit and may trigger allergies in sensitive individuals.

A natural fragrance component that provides a fresh green scent; generally safe but may cause sensitivity in those allergic to fragrance ingredients.

A synthetic fragrance ingredient that adds a fresh green scent; generally safe at low levels but offers no skincare benefit.

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

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

Cis-4-Heptenal is a synthetic fragrance ingredient that adds a fresh, green scent to products; it is generally safe at low levels but may cause irritation in sensitive individuals.

A synthetic fragrance compound that adds a fresh, green scent but offers no skincare benefits and may cause sensitivity in some individuals.

Cis-6-Nonenal is a synthetic fragrance compound that adds a fresh, watery melon note to products, but it offers no skincare benefits beyond scent.

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

Cis-Dihydrocarvone is a natural minty scent ingredient that gives products a fresh aroma, but it may cause skin irritation in sensitive individuals at higher concentrations.

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

Cis-Isoocimenol is a synthetic fragrance ingredient that adds a fresh scent but may cause irritation in sensitive individuals.

Cis-Non-2-Enal is a synthetic fragrance ingredient that adds a fresh, green note to products but may cause skin irritation in sensitive individuals.

A synthetic scent ingredient that adds a woody note but has limited published safety data beyond basic fragrance industry use.