Understand what’s inside your hair care
Clear, independent information about the ingredients on hair-care labels, read from the actual labels in our product library. Decide for yourself what belongs in your routine.
2,252ingredients analyzed
6,816products researched
171,139label placements read
Fragrance
Declared scent, and the individual scent chemicals EU rules require to be named separately.
173 published entries, most-listed first. The number beside a name is how many products in our library list it.
- Fragrance6033
- Limonene2969
- Linalool2897
- Hexyl Cinnamal1449
- Citronellol1280
- Benzyl Salicylate958
- Geraniol942
- Benzyl Benzoate846
- Coumarin816
- Hydroxycitronellal629
- Citral610
- Alpha-Isomethyl Ionone592
- Linalyl Acetate481
- Tetramethyl Acetyloctahydronaphthalenes472
- Menthol357
- Amyl Cinnamal337
- Pinene314
- Mentha Piperita (Peppermint) Oil312
- Citrus Limon (Lemon) Peel Oil291
- Citrus Aurantium Peel Oil266
- Hexamethylindanopyran254
- Eugenol225
- Vanillin214
- Melaleuca Alternifolia (Tea Tree) Leaf Oil196
- Terpineol170
- Geranyl Acetate165
- Rosmarinus Officinalis (Rosemary) Leaf Oil158
- Butylphenyl Methylpropional157
- Lavandula Angustifolia (Lavender) Oil139
- Juniperus Virginiana Oil109
- Rose Ketones93
- Pogostemon Cablin Oil87
- Isoeugenol81
- Citrus Aurantium Bergamia (Bergamot) Peel Oil80
- Farnesol78
- Cinnamyl Alcohol76
- acetyl cedrene73
- Camphor73
- Dimethyl Phenethyl Acetate73
- Eucalyptus Globulus Leaf Oil65
- Phenethyl Alcohol65
- beta-caryophyllene64
- Citrus Aurantium Dulcis (Orange) Peel Oil62
- Menthyl Lactate62
- Mentha Arvensis Leaf Oil58
- Carvone56
- Amyl Salicylate48
- benzaldehyde42
- Benzyl Cinnamate40
- Mentha Viridis (Spearmint) Leaf Oil39
- Citrus Aurantium Bergamia Peel Oil37
- terpinolene36
- hydroxyisohexyl 3-cyclohexene carboxaldehyde33
- Eucalyptus Globulus Oil32
- anethole31
- methyldihydrojasmonate31
- Citrus Aurantium Flower Oil30
- Pelargonium Graveolens Flower Oil30
- Cinnamal27
- Citrus Aurantium Bergamia (Bergamot) Fruit Oil27
- Cananga Odorata Flower Oil24
- phenylpropanol23
- Anise Alcohol22
- Lavandula Hybrida Oil21
- Zingiber Officinale (Ginger) Root Oil20
- Citrus Reticulata (Tangerine) Peel Oil18
- isoeugenyl acetate17
- pantolactone16
- Citrus Grandis (Grapefruit) Peel Oil15
- Citrus Paradisi (Grapefruit) Peel Oil15
- pentadecalactone15
- Jasminum Officinale (Jasmine) Oil14
- alpha-terpinene13
- Citrus Aurantium (Orange) Peel Oil13
- Citrus Nobilis (Mandarin Orange) Peel Oil13
- Phenethyl Benzoate13
- Rosmarinus Officinalis Leaf Oil13
- trimethylcyclopentenyl methylisopentenol13
- eucalyptol12
- Eugenia Caryophyllus (Clove) Leaf Oil12
- hydroxycitronellol12
- trimethylbenzenepropanol12
- Citrus Aurantium Dulcis (Orange) Oil11
- ethyl linalool11
- ionone11
- Cymbopogon Nardus (Citronella) Oil10
- Elettaria Cardamomum Seed Oil10
- hexyl acetate10
- Pelargonium Graveolens (Geranium) Oil10
- phenethyl acetate10
- Pogostemon Cablin (Patchouli) Oil10
- benzyl acetate9
- Cananga Odorata (Ylang Ylang) Flower Oil9
- Citrus Aurantium Amara (Bitter Orange) Peel Oil9
- Cyperus Esculentus Root Oil9
- dimethyl heptenal9
- Sunflower Oil9
- alpha-ionone8
- Citrus Aurantifolia (Lime) Oil8
- Citrus Aurantium Amara (Orange) Peel Oil8
- Citrus Aurantium Dulcis Peel Oil8
- Eucalyptus Oil8
- Fusanus Spicatus Wood Oil8
- hexenyl acetate8
- hexyl salicylate8
- Illicium Verum (Anise) Fruit/Seed Oil8
- Lavandula Angustifolia (Lavender) Flower Oil8
- Pogostemon Cablin Leaf Oil8
- Rosemary Oil8
- Rosmarinus Officinalis (Rosemary) Oil8
- Rosmarinus Officinalis Leaf Oil / Rosemary Leaf Oil8
- anisaldehyde7
- cis-3-hexenyl salicylate7
- ethylene brassylate7
- gamma-nonalactone7
- hexadecanolactone7
- rose ketone7
- Rosemarinus Officinalis (Rosemary) Leaf Oil7
- Santalum Album (Sandalwood) Oil7
- acetylcedrene6
- Anthemis Nobilis Flower Oil6
- Boswellia Carterii Oil6
- Citronellyl Methylcrotonate6
- Citrus Aurantium (Bitter Orange) Peel Oil6
- cyclamen aldehyde6
- gamma-decalactone6
- Melaleuca Alternifolia (Tea Tree) Oil6
- Mentha Viridis Leaf Oil6
- menthyl ethylamido oxalate6
- Methyl 2-Octynoate6
- raspberry ketone6
- Rosmarinus Officinalis Oil6
- alpha-damascone5
- Cedarwood Oil5
- Citrus Medica Limonum (Lemon) Peel Oil5
- Clove Flower (Bud) Oil5
- Cymbopogon Flexuosus (Lemongrass) Oil5
- gamma-undecalactone5
- lyral5
- Rosemary Leaf Oil5
- santalol5
- Thuja Occidentalis (Thujawood) Leaf Oil5
- 1,2-dihydrolinalool4
- 3-hexenol4
- Aquilaria Agallocha Wood Oil4
- beta-ionone4
- Citrus Aurantium Amara Leaf/Twig Oil4
- Citrus Aurantium Dulcis Flower Oil4
- Citrus Sinensis (Sweet Orange) Oil4
- ethyl hexanoate4
- Juniperus Virginiana (Cedarwood) Oil4
- lilial4
- Methyl Benzoate4
- Pelargonium Graveolens Oil4
- Rosa Damascena Flower Oil4
- Sandalore4
- Tanacetum Annuum (Blue Tansy) Flower Oil4
- 4-t-butylcyclohexanol3
- Bulnesia Sarmientoi Wood Oil3
- Citrus Aurantifolia Peel Oil3
- Citrus Aurantium Dulcis (Orange) Seed Oil3
- Citrus Nobilis Peel Oil3
- Citrus Paradisi (Grapefruit) Seed Oil3
- gamma decalactone3
- Gardenia3
- Juniper berry oil3
- Menthol Crystals3
- Ocimum Sanctum (Tulsi Leaf) Oil3
- Piper Nigrum (Pepper) Seed Oil3
- Rosmarinus Ofcinalis (Rosemary) Leaf Oil3
- Rosmarinus Officinalis Leaf Oil/Rosemary Leaf Oil3
- Turmeric Root Oil3
- Vanilla Flavor3
How the library works
- An entry gets a page once it has a written description and appears in at least three researched products. Below that we leave the name as plain text on the product pages rather than publishing a page with nothing on it.
- US labelling rules put ingredients above 1% in descending order of amount; below 1% they may be listed in any order. Position tells you about relative amount only above that line, and we never convert a position into a percentage.
- We do not publish safety scores or hazard grades. Where a regulator has published a restriction or a use condition, we state it and cite it; otherwise we describe what the ingredient does and stop.
- Nothing on these pages is paid placement, and we do not sell any of the products they link to.