MOST COMMON KNOWN POTENTIAL ALLERGY CAUSING INGREDIENTS:

Balsam of Peru
Other Names: · Balsamum peruvianim · Black balsam · China oil · Honduras balsam · Indian balsam · Peruvian balsam · Surinam balsam · Balsams, Peru · Balsam Peru oil · Oil balsam peru · Peru balsam · Peru balsam oil · Myroxylon pereirae klotzsch resin · Myroxylon pereirae klotzsch oil · Myrosperum pereira balsam Toluifera Pereira balsam . Balm
Cross Reactions: · Balsam of Tolu · Beeswax · Benzaldehyde · Benzoates · Benzoin · Benzylsalicylate · Coniferyl alcohol · Coumarin · Diethylstilbestrol · Eugenol · Farnesol · Isoeugenol · Propanidid · Propolis · Styrax Tiger balm

Benzocaine
Other Names: · Ethyl aminobenzoate · Ethyl 4-aminobenzoate · 4-aminobenzoic acid ethyl ester p-aminobenzoic acid ethyl ester
Cross Reactions: Para-aminobenzoic acid based Meta-aminobenzoic acid based Benzoic acid based · Procaine · Butethamine · Tetracaine (amethocaine) · Propoxycaine · Metabutethamine · Meprylcaine · Isobucaine

Chrome (Chromium)
Other Names: · Chromates · Chromium · Chromium salt · Potassium dichromate · Chromium sulphate Chromite
Cross Reactions: · Cobalt · Nickel Trivalent chromium compounds

Clioquinol
Other Names: · Iodochlorhydroxyquin · Iodochloroxyquinoline · Iodochlorohydroxyquinoline · Chloroiodoquine Vioform

Cobalt
Other Names: · Cobalt dichloride, hexahydrate · Cobalt (II) chloride-hexahydrate · Cobalt blue Cobaltous chloride hexahydrate

Coconut diethanolamide
Other Names: · Coconut diethanolamine · Coconut oil diethanolamine · Coconut oil acid · Cocamide DEA · Ninol · Witcamide Calamide

Colophony (Rosin)
Other Names: · Colophony · Resin terebinthinae · Tall oil · Abietic acid · Methyl abietate alcohol · Abietic alcohol Abietyl alcohol
Cross Reactions: · Balsam of Peru · Dihydroabietyl alcohol · Wood tars · Pine resin · Spruce resin Oil of turpentine

Epoxy Resin (uncured epoxy)
Other Names: · Bisphenol A [2,2-bis(4-hydroxyphenyl)propane] (diphenylpropane) · Diglycidyl ether · Epichlorohydrin (1-chloro-2,3-epoxypropane) (8-chloropropylene oxide) 4,4'-Isopropylidenediphenol-epichlorohydrin

Ethylenediamine
Other Names: · Ethylenediamine dihydrochloride · 1,2-Ethanediamine dihydrochloride · 1,2-Diaminoethane dihydrochloride Chlorethamine
Cross Reactions: · Aminophylline · Ethylenediamine tetraacetate (EDTA) · Tripelennamine · Phenothiazine (e.g. promethazine) Piperazines (e.g. cyclizine, cetirizine, meclizine)

Formaldehyde
Other Names: · Formalin · Methanal · Methyl aldehyde · Methylene oxide · Morbicid acid Oxymethylene Cross Reactions: possibly glutaraldehyde

Fragrance Mix
Other Names: · Perfumes · Toilet water · Colognes · Masking perfumes · Unscented perfumes · Aroma chemicals Essential oils · Amylcinnamic alcohol · Anisyl alcohol · Benzyl alcohol · Benzyl salicylate · Cinnamic alcohol · Cinnamic aldehyde · Coumarin · Eugenol · Geraniol · Hydroxycitronellal · Isoeugenol · Musk ambrette · Oak moss absolute · Sandalwood oil Wood tars
 Cinnamic alcohol · Odour of hyacinth · Ester in natural fragrances such as Balsam of Peru, storax, cinnamon leaves, hyacinth oil and propolis  Cinnamic aldehyde · Warm spicy odour with a taste of cinnamon · Constituent of cinnamon oil  Eugenol · Powerful spicy odour of clove with a pungent taste · Found in oils of clove and cinnamon leaf · Also found in roses, carnations, hyacinths and violets  Isoeugenol · Odour of clove weaker than that of eugenol · Constituent of nutmeg oil and ylang ylang oil · Isomerization of eugenol  Geraniol · Sweet floral odour of rose · Constitutes a large portion of rose and palmarose oil, geranium oil, lavender oil, jasmine oil and citronella oil · Present in over 250 essential oils  Alpha amyl cinnamic alcohol · Intense odour of jasmine · Synthetic essential oil  Hydroxycitronellal · Sweet fresh odour of lily of the valley · Synthetic floral fragrance  Oak moss absolute · Earthy, woody, masculine odour · Essential oil produced by solvent extraction of tree lichen
Cross Reactions: · Balsam of Peru · Cassia oil · Cinnamon · Cloves · Citronella candles · Ethylene bassylate Tiger balm

Glyceryl thioglycate (acid perming solution)
Other Names: · Glycerol monomercaptoacetate · Glyceryl thioglycolate · Glycerol monothioglycolate · Acid permanent waves Hot permanent waves

Paraphenylenediamine
Other Names: · PPD or PPDA · Phenylenediamine base · p-Phenylenediamine · 4-Phenylenediamine · 1,4-Phenylenediamine · 4-Benzenediamine · 1,4-Benzenediamine · para-Diaminobenzene (p-Diaminobenzene) · para-Aminoaniline (p-Aminoaniline) · Orsin™ · Rodol™ Ursol™ Related Substances: · Azo dyes · Benzocaine and procaine · Sulfonamides, sulfones, sulfa drugs: · Para-aminobenzoic acid (PABA) * Para-aminosalicylic acid: used for tuberculosis
Cross Reactions: · Azo and aniline dyes · Benzocaine · Procaine · Para-aminobenzoic acid (PABA) · Para-aminosalicylic acid · Sulfonamides · Carbutamide HydroDIURII

Isothiazolinone Mix
Other Names: Preservative · Kathon®, Kathon CG®, Kathon 886® · Methylchloroisothiazolinone (MCI) Methylisothiazolinone (MI)

Lanolin
Other Names: · Adeps lanae anhydrous · Aloholes lanae · Amerchol · Anhydrous lanolin · Wool alcohol · Wool fat · Wool grease Wool wax
Cross Reactions: cetyl or stearyl alcohols (Eucerin™, Aquaphor™)

Latex (see Rubber Accelorators)


Mercapto
Other Names:

Neomycin
Other Names: Neomycin sulphate


Nickel

Parabens
Other Names: methyl-4-hydroxybenzoate, ethyl-4-hydroxybenzoate, propyl-4-hydroxybenzoate, butyl-4-hydroxybenzoate · Methylparaben · Ethylparaben · Propylparaben · Butylparaben · Benzyl-parahydroxybenzoic acid (p-hydroxybenzoic acid) · Methyl-parahydroxybenzoic acid (p-hydroxybenzoic acid) · Ethyl-parahydroxybenzoic acid (p-hydroxybenzoic acid) · Propyl-parahydroxybenzoic acid (p-hydroxybenzoic acid) · Butyl-parahydroxybenzoic acid (p-hydroxybenzoic acid) · Parahydroxybenzoic acid (p-hydroxybenzoic acid) Parahydroxybenzoate (p-hydroxybenzoate)
Cross Reactions: · Para-aminobenzoic acid (PABA) esters Paraphenylenediamine

p-Phenylenediamine
Other Names: · PPD or PPDA · Phenylenediamine base · p-Phenylenediamine · 4-Phenylenediamine · 1,4-Phenylenediamine · 4-Benzenediamine · 1,4-Benzenediamine · para-Diaminobenzene (p-Diaminobenzene) · para-Aminoaniline (p-Aminoaniline) · Orsin™ · Rodol™ Ursol™ Cross Reactions: · Azo and aniline dyes · Benzocaine · Procaine · Para-aminobenzoic acid (PABA) · Para-aminosalicylic acid · Sulfonamides · Carbutamide HydroDIURII

P-tert butyl phenol formaldehyde resin (PTBP):
Other Names: · p-tert- butylphenol formaldehyde resin · PTBP formaldehyde · Butylphen · 4 (1,1-dimethylethyl) phenol 4-tert-Butylphenolformaldehyde resin

Perfume (see Fragrance Mix)


Plants
Other Names: · Acacia · Alstromeria · Arnica · Artichoke · Asparagus · Blackwood · Cashew Nut · Cedar · Celery · Chamomile · Chestnut · Chives · Chrysanthenum · Citron · Cow parsnip · Cyprus · Daffodil · Dandelion · Dogtooth violet · English ivy · Fig · French marigold · Garlic · Geranium · Giant hogweed · Ginkgo biloba · Grevillea · Hogweed · Hogweed, giant · Horse chestnut · Ivy · Kanuka · Kiwifruit · Lavender · Leek · Lemon · Lettuce · Leyland cyprus · Lichens · Lily · Lime · Liverworts · Mango · Manuka · Marigold · Mint · Ongaonga · Onion · Parsley · Parsnip · Peruvian lily · Primula · Radiata pine · Ragweed · Ragwort · Rhus tree · Seaweed · Strawflower · Sunflower · Tree fern · Tea tree · Toxicodendron · Tulip · Tree nettle · Umbrella tree · Western red cedar

Quaternium-15
Other Names: · Imidazolidinyl urea (Germall®) · Diazolidinyl urea (Germall II®) · DMDM hydantoin (Glydant®) · Bromonitropropane diol (Bronopol™) * Tris (hydroxymethyl) nitromethane (Tris Nitro®) · Azonium-adamantane chlorid · N-(3-chloroallyl) hexaminium chloride · Chloroallyl methenamine chloride · 1-(3-chloroally)-3,5,7 triaza-1-azoniaadamantane chloride · Methanamine-3-chloroallylochloride · Hexamethylenetetramine Dowicil®75, Dowicil®100, Dowicil®200
Cross Reactions: · Imidazolidinyl urea (Germall®) · Diazolidinyl urea (Germall II®) · DMDM hydantoin (Glydant®) · Bromonitropropane diol (Bronopol™) Tris (hydroxymethyl) nitromethane (Tris Nitro®)

Rosin (colophony)
Other Names: · Colophony · Resin terebinthinae · Tall oil · Abietic acid · Methyl abietate alcohol · Abietic alcohol Abietyl alcohol Cross Reactions: · Balsam of Peru · Dihydroabietyl alcohol · Wood tars · Pine resin · Spruce resin Oil of turpentine

Rubber Accelerators
Other Names: · Benzothiazoles · 2-Mercaptobenzothiazole · N-cyclohexyl-2-benzothiazolesulfenamide · Dibenzothiazyl disulfide · Morpholinylmercaptobenzothiazole · Carba chemicals · Dithiocarbamates · Zinc diethyldithiocarbamate · Zinc dibutyldithiocarbamate · Diphenylguanidine · Thiurams · tetramethylthiuram monosulfide · tetramethylthiuram disulfide · tetraethylthiuram disulfide · dipentamethylenethiuram disulfide · Hexamethylenetetramine (methenamine)

Thiomersal (mercury and thiosalicylate mix)
Other Names: · Merthiolate · Sodium ethylmercurithiosalicylate · Mercurothiolate · Thiomersalate · Thiomersalan · Mercurochrome · Ethyl (2-mercaptobenzoato-S) mercury sodium salt [(o-carboxyphenyl)thio] Ethylmercury sodium salt

Thiuram (see Rubber Accelorator)


Topical Steroid (topical corticosteroids)
Other Names: · Budesonide · Betamethasone-12-valerate · Triamcinolone acetonide · Tixocortol-21-pivalate · Alclomethasone-17, 21-dipropionate · Clobetasol-17-propionate · Dexamethasone-21-phosphate disodium salt Hydrocortisone-17-butyrate
Cross Reactions: · Budesonide may result in allergy to fluocinolone, triamcinolone, hydrocortisone-17-butyrate, methylprednisolone acetponate and prednicarbate. · Tixocortol-21-pivalate may result in allergy to hydrocortisone (acetate), prednisolone, diflucortolone, methylprednisolone, hydrocortisone-17-butyrate, methylprednisolone aceponate and prednicarbate. Hydrocortisone-17-butyrate allergy may result in allergy to methylprednisolone aceponate, prednicarbate, alclomethasone dipropionate, budesonide and hydrocortisone (acetate).

Wool Alcohols
Other Names: · Adeps lanae anhydrous · Aloholes lanae · Amerchol · Anhydrous lanolin · Lanolin · Wool fat · Wool grease Wool wax
Cross Reactions: cetyl or stearyl alcohols (Eucerin™, Aquaphor™)


reference:
http://dermnetnz.org/dermatitis/