Beauty ingredients explained in plain English

A synthetic citrus scent that can cause irritation in sensitive individuals, but is generally considered safe at low concentrations.

A synthetic fragrance compound that adds a floral-citrus scent but may cause skin irritation in sensitive individuals, especially at higher concentrations.

A synthetic citrus fragrance ingredient that can add a pleasant scent but may cause irritation in sensitive individuals.

Citron Peel Oil adds a fresh citrus scent and mild astringent feel, but can be irritating for sensitive skin due to its natural limonene content.

Citronella extract adds a fresh scent and mild antimicrobial benefits, but can be irritating for sensitive skin.

Citronella oil adds a fresh, lemony scent to skincare but can be irritating for sensitive skin and is not a proven active for skin benefits.

Citronellal is a common fragrance ingredient that gives a lemony scent, but it can be a skin sensitizer for some people.

A synthetic fragrance compound that adds a lemony scent but may cause skin sensitivity in some people.

Citronellic acid is a natural fragrance ingredient with mild antimicrobial properties, but it can be a skin sensitizer for some people.

Citronellol adds a pleasant rose-like scent to products but can cause skin irritation or allergic reactions in sensitive individuals.

Citronellyl Acetate is a common fragrance ingredient that adds a fresh, floral-rose scent to products, but it may cause skin reactions in sensitive individuals.

A synthetic fragrance ingredient that adds a floral, rosy scent but offers no skincare benefits.

Citronellyl butyrate is a synthetic fragrance ester that adds a fruity, floral scent to products; it is generally safe at low concentrations but may cause sensitivity in some individuals.

Citronellyl Crotonate is a synthetic fragrance ingredient that adds a pleasant scent to products, but it offers no skincare benefits and may be a concern for those with fragrance sensitivities.

A synthetic scent ingredient that adds a pleasant floral-citrus note, but offers no skincare benefit and may cause sensitivity in some individuals.

Citronellyl Ethyloxalate is a synthetic fragrance ingredient that adds a fresh, citrusy scent but offers no skincare benefits and may cause irritation in sensitive individuals.

Citronellyl Formate is a synthetic fragrance ingredient that adds a fruity, rosy scent to products; it is generally safe at low concentrations but may cause sensitivity in some individuals.

A synthetic fragrance ester that adds a floral, rosy scent; generally safe at low concentrations but may cause sensitivity in some individuals.

Citronellyl Methylcrotonate is a synthetic fragrance ingredient that adds a pleasant scent but offers no skincare benefits; it is generally considered safe at low concentrations.

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

A synthetic floral-scented ester used to add a fresh, rosy note to products; generally safe at low concentrations but may cause sensitivity in some individuals.

A synthetic fragrance compound that adds a fresh floral-citrus note but may cause skin irritation in sensitive individuals.

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

A fragrant citrus oil with antioxidant potential, but its high limonene content can cause irritation or sensitization in some people.

A citrus-scented oil that adds a fresh fragrance to products, but may cause irritation for sensitive skin due to natural limonene content.

A fragrant citrus oil that adds a fresh scent and mild antioxidant benefits, but may cause irritation in sensitive skin.

Citrus leaf oil adds a fresh scent and mild antioxidant benefits, but can be irritating for sensitive skin and may cause photosensitivity in high concentrations.

A fragrant citrus oil with antioxidant potential, but may cause irritation in sensitive skin due to natural aromatic compounds.

Citryl Cyclopentanone is a synthetic scent ingredient that gives products a fresh citrus note, but it may cause skin irritation in sensitive individuals.

Civetone is a synthetic musk-like fragrance ingredient that adds depth to scents but offers no skincare benefits and may cause sensitivity in some individuals.

Civetta extract is a traditional fragrance ingredient with a strong animalic scent, but its use is rare today due to ethical concerns and the availability of synthetic alternatives.

Clementine Peel Oil adds a fresh citrus scent to products but can be irritating for sensitive skin and may increase sun sensitivity.

Clove Basil Oil adds a fresh, herbal scent and may help fight acne-causing bacteria, but it can be irritating for sensitive skin.

Clove Bud Water adds a warm, spicy scent to products and may offer mild antioxidant benefits, but its fragrance can be irritating for sensitive skin.

Clove leaf oil can add a warm, spicy scent and mild antimicrobial benefits, but it is a known skin sensitizer and should be used with caution, especially at high concentrations.

A coconut-derived fragrance ingredient that adds scent but offers no skincare benefit and may irritate sensitive skin.

Combava leaf oil adds a fresh citrus scent to products but may irritate sensitive skin; its skincare benefits are not well-proven.

Combava peel oil adds a fresh citrus scent to products but can be irritating for sensitive skin, especially in high concentrations.

A fragrant resin oil with potential soothing properties, but limited research and a risk of skin irritation for sensitive individuals.

A fragrant resin oil with potential soothing and antioxidant benefits, but limited research and a risk of skin irritation for sensitive individuals.

A fragrant resin oil with potential soothing and antimicrobial benefits, but limited research and a risk of skin sensitivity.

Conobea leaf oil is a fragrant essential oil with limited research; it may offer mild skin benefits but poses a moderate irritation risk for sensitive skin.

Copal resin adds a warm, earthy scent to products but has limited research on direct skincare benefits and may cause irritation in sensitive individuals.

A gentle botanical oil that adds a natural scent and mild skin-conditioning benefits, but research on its skincare effects is still limited.

Coriander seed oil offers antioxidant and antimicrobial benefits, but its strong fragrance and potential for irritation mean it's best for those without sensitive skin.

Cornmint leaf oil adds a cooling sensation and minty scent but can be irritating for sensitive skin at high concentrations.

Cornmint oil adds a cooling, minty feel to products but can be irritating for sensitive skin if used too strong.

Cornmint oil adds a cooling tingle and fresh scent to products, but its high menthol content can irritate sensitive or damaged skin.

Coumarin adds a sweet, vanilla-like scent to products but can be a skin sensitizer for some people, especially at higher concentrations.

Cresyl acetate is a synthetic fragrance ingredient that adds a floral scent but may cause skin irritation in sensitive individuals.

A synthetic fragrance compound that adds floral and fruity notes but may cause skin sensitivity in some people.

A fragrant essential oil with mild astringent properties, best suited for normal to oily skin types but may cause irritation in sensitive individuals.

A fragrant botanical oil with potential antimicrobial benefits, but limited research and a moderate risk of skin irritation for sensitive types.

Croton Eluteria Oil adds a warm, spicy scent to skincare but offers limited skin benefits and may irritate sensitive skin.

A fragrant bark oil with limited research; best used in low concentrations for its scent rather than proven skincare benefits.

A fragrant essential oil from Japanese cedar with some antioxidant potential, but limited research on skin benefits and a moderate risk of irritation for sensitive skin.

A fragrant essential oil from Japanese cedar with limited research on skin benefits; best suited for fragrance purposes in well-formulated products.

Cubeb Berry Oil offers antioxidant benefits and a warm, peppery scent, but its strong fragrance can be irritating for sensitive skin.

Culilawan leaf oil adds a warm, spicy scent to products but may irritate sensitive skin, especially at high concentrations.

Cuminaldehyde is a natural fragrance compound from cumin oil that adds a warm, spicy scent but can be a skin sensitizer for some people.