A synthetic fragrance ingredient that adds a floral scent; generally safe at low concentrations but may cause sensitivity in some individuals.
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 synthetic fragrance ingredient that adds a floral scent; generally safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
Fragrance Ingredient
PHENYLACETALDEHYDE DIHYDROGERANYL ACETAL
A synthetic fragrance ingredient that adds a pleasant floral scent but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic fragrance ingredient that adds pleasant floral notes but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic floral scent ingredient that adds a pleasant hyacinth note but may cause skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
Fragrance Ingredient
PHENYLACETALDEHYDE ETHYLENEGLYCOL CYCLIC ACETAL
A synthetic floral scent ingredient that can cause skin irritation in sensitive individuals, but is generally safe at low concentrations.
Irritation
moderate
Source
synthetic
A synthetic floral scent ingredient that is generally safe at low levels but offers no skincare benefit beyond fragrance.
Irritation
low
Source
synthetic
Fragrance Ingredient
PHENYLACETALDEHYDE GLYCERYL CYCLIC ACETALS
A synthetic floral fragrance ingredient that adds scent but offers no skincare benefit and may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
Fragrance
PHENYLACETALDEHYDE HEXYLENEGLYCOL CYCLIC ACETAL
A synthetic fragrance ingredient that adds a floral, green scent but offers no skincare benefits and may cause sensitivity in some people.
Irritation
low
Source
synthetic
Fragrance Ingredient
PHENYLACETALDEHYDE ISOHEXYLENEGLYCOL CYCLIC ACETAL
A synthetic floral scent ingredient that adds fragrance to products but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic floral scent ingredient that adds fragrance but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
Phenylethylpyridine is a synthetic fragrance ingredient with limited safety data; it may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic fragrance compound that adds a pleasant scent but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic floral scent ingredient that is generally well-tolerated but offers no skincare benefits.
Irritation
low
Source
synthetic
Phenylmethylpentanal is a synthetic fragrance ingredient that adds a floral scent but may cause skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
Phenylpropane is a synthetic fragrance ingredient that adds scent but offers no skincare benefits; it may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
Phenylpropanol is a mild fragrance ingredient that also helps preserve formulas, but it offers no direct skin benefit.
Irritation
low
Source
synthetic
Phenylpropionaldehyde is a synthetic fragrance compound that adds a floral scent but may cause skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic fragrance ester that adds a sweet, floral scent to products but offers no skincare benefits.
Irritation
low
Source
synthetic
A synthetic scent ingredient that adds a pleasant floral note but offers no skincare benefit and may be a concern for those sensitive to fragrance.
Irritation
low
Source
synthetic
A fragrant wood oil with mild antimicrobial potential, best suited for those who enjoy botanical scents and have resilient skin.
Irritation
moderate
Source
natural
Phthalates are controversial synthetic chemicals linked to endocrine disruption; most are banned or restricted in cosmetics in many regions, but consumers should still check labels for hidden sources.
Irritation
low
Source
synthetic
Pimento berry oil adds a warm, spicy scent and offers antioxidant benefits, but its essential oil nature means it can irritate sensitive skin if used too strong.
Irritation
moderate
Source
natural
Pimento leaf oil adds a warm, spicy scent to products but can be irritating for sensitive skin; it's best used in low concentrations.
Irritation
moderate
Source
natural
Pinanal is a synthetic pine-scented fragrance ingredient that adds a fresh aroma but offers no skincare benefits and may irritate sensitive skin.
Irritation
moderate
Source
synthetic
Pinane Carbaldehyde is a synthetic fragrance component that adds a pine-like aroma but may cause skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
Pinanyl Methyl Ketone is a synthetic scent ingredient that adds a pine-like aroma to products, but it offers no skincare benefits and may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
Pine leaf oil adds a fresh, woodsy scent to products but can be irritating for sensitive skin and is primarily used for fragrance rather than active skincare benefits.
Irritation
moderate
Source
natural
A natural essential oil that adds a fresh, woodsy scent to products but may cause irritation in sensitive skin.
Irritation
moderate
Source
natural
Pine oil adds a fresh scent and mild antimicrobial benefits, but can be irritating for sensitive skin and may clog pores in high concentrations.
Irritation
moderate
Source
natural
Pine twig leaf oil adds a fresh, woodsy scent to products but can be irritating for sensitive skin and is best used at low concentrations.
Irritation
moderate
Source
natural
A natural essential oil that adds a fresh pine scent and may offer mild antimicrobial benefits, but can be irritating for sensitive skin.
Irritation
moderate
Source
natural
A fragrant pine oil that adds a fresh scent to products but may cause irritation in sensitive skin due to its essential oil content.
Irritation
moderate
Source
natural
A fragrant pine leaf oil with limited research; may offer antimicrobial benefits but poses irritation and sensitivity risks, especially for sensitive skin.
Irritation
moderate
Source
natural
A fragrant essential oil from a tropical pepper plant, used mainly for scent in natural skincare, but with very limited research on skin benefits.
Irritation
moderate
Source
natural
A fragrant plant oil with limited research; best used in low concentrations for its scent rather than proven skincare benefits.
Irritation
moderate
Source
natural
Piperitone is a natural fragrance compound with a minty, camphor-like scent, but it has limited skincare benefits and may cause irritation in sensitive individuals.
Irritation
moderate
Source
natural
Piperonyl Acetate is a synthetic fragrance ingredient that adds a sweet, floral scent to products; it is generally considered safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
Piperonyl Acetone is a synthetic fragrance ingredient that adds a pleasant scent but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
Plumeria flower oil adds a sweet floral scent and mild skin-soothing benefits, but research on its skincare effects is limited.
Irritation
low
Source
natural
Ponderosa pine oil adds a fresh, woodsy scent to products but may irritate sensitive skin and has limited research on skincare benefits.
Irritation
moderate
Source
natural
Prenyl acetate is a synthetic fragrance ingredient that adds a fruity, floral note to products, but it offers no skincare benefits and may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
Prenyl benzoate is a synthetic fragrance ingredient with a low irritation risk, but it offers no skincare benefits beyond scent.
Irritation
low
Source
synthetic
Propenyl p-Cymene is a synthetic fragrance ingredient that adds scent to products but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
Propyl benzoate is a synthetic fragrance ingredient that helps scent and stabilize products, but it offers no direct skin benefit and may be a concern for those avoiding synthetic fragrances.
Irritation
low
Source
synthetic
Propyl Butyrate is a synthetic ester used mainly for its light, fruity scent; it is generally considered safe at low levels but offers no direct skin benefit.
Irritation
low
Source
synthetic
Propyl Phenylacetate is a synthetic fragrance ingredient that adds a sweet, honey-like scent to products; it is generally considered safe at low concentrations but offers no skincare benefits.
Irritation
low
Source
synthetic
A natural fragrance compound from celery seed that adds a warm, spicy scent but offers no direct skincare benefits.
Irritation
low
Source
natural
A natural fragrance ingredient with potential antioxidant benefits, but limited research and a moderate risk of skin irritation.
Irritation
moderate
Source
natural
Ravensara leaf oil adds a pleasant scent and may offer mild soothing benefits, but it can be irritating for sensitive skin and is best used in low concentrations.
Irritation
moderate
Source
natural
A synthetic fragrance ingredient with a pleasant, sweet, clove-like scent; generally considered safe at low concentrations but offers no direct skincare benefit.
Irritation
low
Source
synthetic
Rhodinol is a natural fragrant alcohol that gives a rose-like scent, but it can be a skin sensitizer for some people.
Irritation
moderate
Source
natural
Rhodinyl acetate adds a pleasant rose-like scent to products, but may cause skin irritation in sensitive individuals at higher concentrations.
Irritation
moderate
Source
synthetic
A synthetic fragrance ester that adds a floral, rosy note to products; generally safe at low concentrations but may cause sensitivity in those with fragrance allergies.
Irritation
low
Source
synthetic
A synthetic rose-like fragrance ingredient that adds scent but offers no skincare benefit and may irritate sensitive skin.
Irritation
moderate
Source
synthetic
Rhodinyl isobutyrate is a synthetic fragrance ingredient that adds a floral, rose-like scent to products; it is generally safe at low concentrations but may cause irritation in sensitive individuals.
Irritation
low
Source
synthetic
A synthetic rose-like fragrance ingredient that adds a pleasant scent but offers no skincare benefits and may trigger sensitivities in some people.
Irritation
low
Source
synthetic
A synthetic floral scent ingredient that is generally safe at low levels but offers no skincare benefits.
Irritation
low
Source
synthetic
A synthetic floral scent ingredient that is generally safe at low levels but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A fragrant essential oil from Rocky Mountain juniper that adds a woodsy scent and may offer mild antioxidant benefits, but can be irritating for sensitive skin.
Irritation
moderate
Source
natural
A gentle, lightly astringent floral water that can refresh and soothe skin, but its benefits are mostly anecdotal and it may cause sensitivity in those allergic to roses.
Irritation
low
Source
natural