Ingredient library
Every ingredient SkinAtlas knows about — all 2178 of them. What each one does, what it works well with, and what to watch for.
Cold-pressed essential oil from the peel of Citrus aurantium amara (bitter orange). Used as a natural fragrance ingredient in prestige cosmetics. The peel oil has a brighter, more citrusy character than the flower-derived neroli.
The essential oil steam-distilled from bitter orange (Citrus aurantium amara) flowers, known as neroli, used primarily as a luxury natural fragrance in cosmetics.
The aromatic hydrosol (flower water) produced during steam distillation of bitter orange blossoms, used as a toning, soothing water-phase ingredient with a light natural fragrance.
An essential oil cold-pressed from bergamot orange fruit rind, used as a natural fragrance ingredient with a distinctive citrus-floral-spicy scent.
A solvent extract from the fruit of the sweet orange (Citrus aurantium dulcis) providing vitamin C and citrus flavonoids for antioxidant protection and skin brightening.
Sweet orange peel essential oil, used primarily as a natural fragrance in cosmetics; contains limonene and may cause sensitization or phototoxicity in some users.
The essential oil from sweet orange (Citrus aurantium dulcis) flowers, used as a natural fragrance ingredient distinct from sweet orange peel oil.
A natural wax extracted from sweet orange peel, used as an emollient and texture agent in balms, cleansers, and lip products.
Extract from grapefruit seeds; used as a natural preservative booster and antimicrobial agent in Korean and clean-beauty formulas.
An essential oil cold-pressed from grapefruit peel, used primarily as a natural fragrance ingredient with a fresh, tart citrus scent.
Aqueous or glycolic extract from the yuzu fruit (Citrus junos), a Japanese citrus valued in skincare for its high vitamin C precursor content, flavonoids, and aromatic compounds. Antioxidant and mild brightening action.
Cold-pressed essential oil from the peel of Citrus junos (yuzu), a citrus fruit widely cultivated in East Asia. Composed primarily of d-limonene (63–92%) and γ-terpinene; furanocoumarins (bergapten) are below detection limit (<0.1 ppm) in commercial cold-pressed yuzu peel oil — well under the 15 ppm cosmetic safety threshold — so phototoxicity is not a concern. Primary allergen risk is limonene, which is an EU-regulated fragrance allergen under Regulation 2023/1545 and must be declared on leave-on products above 0.001%. Vitamin C and brightening benefits associated with yuzu belong to aqueous yuzu fruit extract forms, not this essential oil.
Extract from the seeds of Citrus junos (yuzu), a fragrant Japanese citrus fruit. Rich in polyphenols and flavonoids with antioxidant and brightening properties. Used in Shiseido's Revitalessence primer for antioxidant benefits.
The aqueous distillate (hydrosol) obtained from lemon fruit during steam or water distillation, distinct from lemon extract or lemon essential oil. It retains water-soluble aromatic constituents at low concentrations. Used as a toning, conditioning aqueous phase ingredient in toners, essences, and mists.
Fresh juice from lemon (Citrus limon). Contains citric acid for mild exfoliation and pH adjustment, along with vitamin C and flavonoids. Used in Tunemakers' peeling lotion.
Cold-pressed or steam-distilled essential oil from lemon (Citrus limon) peel, composed primarily of limonene (up to ~96%) with citral and furocoumarins; used for fragrance but carries phototoxicity and fragrance sensitization risks requiring careful formulation controls.
Aqueous extract from lemon (Citrus limonum) fruit. Contains ascorbic acid, hesperidin, and citrus flavonoids. Provides antioxidant and brightening activity in cosmetics.
Cold-pressed essential oil from Citrus medica limonum (lemon) fruit — an older INCI designation corresponding to the current Citrus Limon; the same oil is also sold as 'lemon peel oil'. Predominantly d-limonene (~70%) with beta-pinene, gamma-terpinene, and trace citral. Unlike yuzu peel oil, cold-pressed lemon oil retains furanocoumarins (bergapten) at phototoxically relevant concentrations, making it a photosensitizer in leave-on formulas. Primarily used as a fragrance ingredient in cosmetics.
Extract from the peel of Citrus nobilis (Mandarin orange). Contains polymethoxylated flavones (PMFs), hesperidin, and limonene. Used for antioxidant protection and mild brightening. Distinct from Citrus Reticulata and Citrus Sinensis in its flavone profile.
The essential oil expressed or distilled from mandarin orange (Citrus nobilis) peel, used as a natural fragrance ingredient in cosmetics.
Extract from grapefruit (Citrus paradisi). Rich in flavonoids (naringenin) and antioxidants. Used in Tunemakers' peeling lotion for its brightening and antioxidant properties.
An extract from grapefruit (Citrus paradisi) fruit rich in flavonoids and vitamin C that provides antioxidant and mild brightening benefits.
A cold-pressed essential oil from grapefruit (Citrus paradisi) peel, used mainly as a fragrance ingredient; contains furanocoumarins that confer phototoxicity risk in leave-on products exposed to UV, though FCF (furanocoumarin-free) versions are available for safer daytime use.
A general term for extract derived from citrus fruit peel (orange, lemon, grapefruit, lime, etc.). Contains flavonoids, vitamin C precursors, and antioxidants. Standardized peel extracts typically have phototoxic compounds removed.