Fragrance Ingredient
CYCLAMEN ALDEHYDE / METHYL ANTHRANILATE SCHIFF BASE
3.0
A synthetic fragrance compound that adds floral scent but may cause skin sensitivity in some people.
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CYCLAMEN ALDEHYDE ETHYLENEGLYCOL CYCLIC ACETAL
3.5
A synthetic floral scent ingredient that adds a pleasant cyclamen fragrance but may cause skin irritation in sensitive individuals.
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CYCLAMEN ALDEHYDE DIETHYL ACETAL
3.5
A synthetic floral scent ingredient that adds a pleasant fragrance but may cause skin sensitivity in some people.
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Read ingredient review Antioxidant
CYCLANTHERA PEDATA FRUIT EXTRACT
3.8
A gentle, antioxidant-rich fruit extract that may help calm skin and fight environmental stress, though research is still limited.
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Read ingredient review Cell-communicating agent
Sodium Guanine Cyclic Monophosphate
3.8
A cell-signaling molecule that may help strengthen the skin barrier and improve hydration, but research is still early.
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Read ingredient review Fragrance
CYCLIZED EUCALYPTUS CITRIODORA LEAF/TWIG OIL
3.8
A processed lemon eucalyptus oil used mainly for scent; may offer mild skin conditioning but poses a moderate risk of irritation for sensitive skin.
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Read ingredient review A gentle synthetic humectant that helps hydrate skin and improve product texture, but offers no unique benefits over more common alternatives.
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Read ingredient review Skin conditioning agent
CYCLOCARBOXYPROPYLOLEIC ACID
4.0
A synthetic lipid that mimics natural skin fats to support the moisture barrier, with early research suggesting it may help reduce water loss and improve skin comfort.
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Read ingredient review Antioxidant
CYCLOCARYA PALIURUS LEAF EXTRACT
3.8
A gentle, plant-derived antioxidant that may help protect skin from environmental stress, though research is still early and mostly lab-based.
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Read ingredient review Cyclodextrin is a gentle, sugar-based molecule that helps stabilize and deliver active ingredients deeper into the skin without irritation.
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Cyclodextrin Crosspolymer
4.0
A gentle, starch-derived powder that helps stabilize and slowly release active ingredients, making formulas more effective and less irritating.
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Cyclodextrin Hydroxypropyltrimonium Chloride
4.0
A gentle, modified starch that wraps up active ingredients to make them more stable and less irritating on skin.
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Cyclodextrin Laurate
4.0
A gentle, starch-based ingredient that helps stabilize and deliver active ingredients without irritation.
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CYCLODODECANAL DIMETHYL ACETAL
3.5
A synthetic scent ingredient that adds a pleasant note to products but offers no skincare benefit and may be unnecessary for sensitive skin.
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CYCLODODECYL ACETATE
3.5
A synthetic scent ingredient that provides a fresh, woody aroma but may cause irritation for sensitive skin.
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CYCLODODECYL FORMATE
3.5
Cyclododecyl Formate is a synthetic fragrance ingredient that adds a pleasant scent but may cause irritation in sensitive individuals.
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Read ingredient review Emollient
Cycloethoxymethicone
3.8
A gentle silicone that improves product feel and spreadability with a low risk of irritation or clogged pores.
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CYCLOHEXADECANOL
3.8
A gentle synthetic emollient that improves product feel and spreadability without common irritation.
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8-CYCLOHEXADECENONE
3.5
A synthetic musk-like fragrance that adds a pleasant scent but offers no skincare benefits.
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Read ingredient review Cyclohexane is a fast-evaporating solvent that helps dissolve oils and makeup, but it can be drying and potentially irritating for sensitive skin.
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CYCLOHEXANE DIMETHANOL
3.5
A synthetic solvent that helps products spread and dry evenly, but offers no direct skin benefit.
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Read ingredient review pH Adjuster
Cyclohexanecarboxylic Acid
3.5
A mild synthetic acid that helps balance product pH and gently exfoliates, but research on its long-term skin benefits is limited.
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Read ingredient review Chelating Agent
CYCLOHEXANEDIAMINE TETRAACETIC ACID
3.8
A synthetic helper that keeps your products fresh and effective by neutralizing troublesome metal ions.
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Read ingredient review Emollient
Cyclohexanediol Bis-Ethylhexanoate
4.0
A lightweight synthetic emollient that gives a silky, non-greasy feel to skincare products with low irritation potential.
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Read ingredient review Soothing agent
CYCLOHEXANEDIOL BIS-METHYLCROTONATE
4.0
A synthetic soothing ingredient that helps reduce visible redness and stinging, making it a good option for sensitive skin.
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Read ingredient review Emollient
Cyclohexanediol Dicaprylate
4.0
A lightweight synthetic emollient that softens skin without clogging pores, ideal for oily or combination skin types.
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Read ingredient review Cyclohexanol is a synthetic solvent used in small amounts; it has moderate irritation potential and is not a beneficial skincare ingredient.
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Read ingredient review Cyclohexanone is a strong solvent with significant irritation and safety concerns; it is rarely used in leave-on skincare and is best avoided in daily products.
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Read ingredient review Fragrance Ingredient
Cyclohexanone Diethyl Acetal
3.5
A synthetic fragrance ingredient that adds a fresh scent but offers no skincare benefits and may trigger sensitivity in some people.
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Read ingredient review Emollient
Cyclohexasiloxane
4.0
A lightweight silicone that creates a smooth, silky feel on skin and hair without clogging pores.
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Read ingredient review Fragrance Ingredient
3,5-DIMETHYL-3-CYCLOHEXENE-1-METHYL ACETATE
3.5
A synthetic scent ingredient that adds a pleasant aroma but offers no skincare benefits and may cause sensitivity in some people.
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3,6-DIMETHYL-3-CYCLOHEXENE-1-CARBALDEHYDE
3.5
A synthetic scent ingredient that adds a fresh note but may cause irritation in sensitive individuals.
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2,4-DIMETHYL-3-CYCLOHEXENE-1-METHANOL
3.5
A synthetic scent ingredient that adds a pleasant aroma but offers no skincare benefits; safe at low levels but may cause sensitivity in some.
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2-CYCLOHEXENYL CYCLOHEXANONE
3.5
A synthetic fragrance compound that adds scent but offers no skincare benefits; may cause irritation in sensitive individuals.
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CYCLOHEXENYLMETHYL BUTANOL
3.5
A synthetic scent ingredient that adds a fresh, green note but may cause irritation in sensitive individuals.
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Cyclohexyl Acetate
3.5
A synthetic fragrance ingredient that adds a fruity, floral scent but offers no skincare benefit and may cause sensitivity in some individuals.
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Cyclohexyl Butyrate
3.5
Cyclohexyl Butyrate is a synthetic fragrance ingredient that adds a fruity, sweet scent to products, but it offers no skincare benefits and may be a concern for those with fragrance sensitivities.
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Read ingredient review Fragrance Ingredient
Cyclohexyl Crotonate
3.5
Cyclohexyl Crotonate is a synthetic fragrance ingredient that adds a pleasant scent to products but may cause irritation in sensitive individuals.
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CYCLOHEXYL CYCLOPENTENEACETATE
3.8
A synthetic fragrance compound that adds a pleasant floral note, but offers no skincare benefit and may cause sensitivity in some individuals.
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Read ingredient review Soothing Agent
Cyclohexyl Hydroxybutyramide
3.8
A synthetic soothing ingredient that helps calm redness and irritation without being greasy or heavy.
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Cyclohexyl Isovalerate
3.8
A synthetic fragrance ingredient that adds a pleasant scent but offers no skincare benefits; generally safe at low concentrations.
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Read ingredient review Film Former
Cyclohexyl Methacrylate
3.0
Cyclohexyl Methacrylate is a synthetic film-forming ingredient used mainly in nail products to create a hard, glossy finish, but it can be a skin sensitizer for some people.
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Read ingredient review Film Former
CYCLOHEXYL METHACRYLATE/ETHYLHEXYL METHACRYLATE COPOLYMER
3.5
A synthetic film-former that helps products stay put and resist water, but offers no active skincare benefit.
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Read ingredient review Fragrance Ingredient
CYCLOHEXYL PHENETHYL ETHER
3.5
A synthetic fragrance ingredient that adds a pleasant floral scent but offers no skincare benefits and may cause sensitivity in some people.
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Read ingredient review Film Former
CYCLOHEXYL PHENYLCARBAMATE
3.5
A synthetic film-former that helps products feel smooth and last longer, but with limited published safety data.
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Read ingredient review Solvent
Cyclohexyl Toluate
3.5
Cyclohexyl Toluate is a synthetic ester that helps dissolve other ingredients and leaves a light, non-greasy feel on skin.
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CYCLOHEXYL-4-METHYLPENTAN-2-ONE
3.5
A synthetic fragrance compound that adds scent but offers no skincare benefit; generally safe at low levels but may cause irritation in sensitive individuals.
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CYCLOHEXYLCYCLOHEXANONE
3.5
A synthetic fragrance ingredient that adds a floral, woody scent; generally considered safe at low concentrations but may cause sensitivity in some individuals.
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Read ingredient review Fragrance Ingredient
Cyclohexylethanol
3.5
A synthetic fragrance ingredient that adds a floral note to products; generally safe at low levels but may cause sensitivity in some individuals.
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CYCLOHEXYLETHYL ACETATE
3.5
A synthetic scent ingredient that adds a pleasant aroma but offers no skincare benefit; safe for most but may cause sensitivity in those with fragrance allergies.
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CYCLOHEXYLETHYL BUTYRATE
3.8
A synthetic fragrance ingredient that adds a fruity, floral scent to products; generally considered safe at low levels but may cause sensitivity in some individuals.
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Cyclohexylethyl Crotonate
3.5
A synthetic fragrance ingredient that adds a pleasant scent but offers no skincare benefits; safe at low levels but may cause sensitivity in some individuals.
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Read ingredient review Humectant
Cyclohexylglycerin
4.0
A gentle, synthetic humectant that hydrates skin and helps preserve formulas, making it a popular alternative to parabens.
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Read ingredient review Fragrance Ingredient
CYCLOHEXYLIDENECYCLOHEXANONE
3.5
A synthetic scent ingredient that adds a warm, woody note but offers no skincare benefit and may be unnecessary for sensitive noses.
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Read ingredient review UV Filter
CYCLOHEXYLIDENEDIPHENYLMETHANE
4.0
A synthetic UV filter that helps protect skin from sun damage, but its use is limited to certain regions due to regulatory differences.
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Read ingredient review Fragrance
2-METHYL 5-CYCLOHEXYLPENTANOL
3.5
A synthetic fragrance ingredient that adds a fresh floral scent but offers no skincare benefits; safe at low levels but may cause sensitivity in some.
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CYCLOHEXYLPROPANOL
3.5
A synthetic scent ingredient that adds a pleasant floral note but offers no skincare benefit and may cause sensitivity in some people.
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Read ingredient review Anti-aging
Cyclohydroxyprolyl Serine
4.0
A synthetic peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with low irritation risk.
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Read ingredient review A lightweight, volatile silicone that provides a silky feel and helps other ingredients spread evenly, but its environmental persistence raises concerns.
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CYCLOOCTENYL METHYL CARBONATE
3.5
A synthetic fragrance ingredient that adds a fresh scent but offers no skincare benefits and may be a concern for those sensitive to fragrance.
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