Ingredients that help things which normally do not like to mix together (most notably water and oils) to do just that and form a nice, uniform mixture. Without them, your cosmetic product would separate into a watery part and an oily part.

Acetylated Lanolin Acetylated Lanolin Alcohol Almond Oil Peg-8 Esters Ampd-Isostearoyl Hydrolyzed Collagen Arachidic Acid Arachidyl Glucoside Argan Oil Polyglyceryl-6 Esters Babassu Oil Glycereth-8 Esters Behenamidopropyl Dimethylamine Beheneth-25 Beheneth-30 Beheneth­‐20 Behenic Acid Bis-Butyldimethicone Polyglyceryl-3 Bis-Peg-15 Methyl Ether Dimethicone Bis-Peg/Ppg-14/14 Dimethicone Bis-Peg/Ppg-16/16 Peg/Ppg-16/16 Dimethicone Bis-Peg/Ppg-20/5 Peg/Ppg-20/5 Dimethicone Butylene Glycol Cocoate C10-16 Alkyl Glucoside C11-15 Pareth-12 C11-15 Pareth-7 C12-13 Pareth-23 C12-13 Pareth-3 C12-13 Pareth-9 C12-14 Pareth-12 C12-14 Pareth-3 C12-16 Pareth-9 C12-20 Acid Peg-8 Ester C12-20 Alkyl Glucoside C18-36 Acid Glycol Ester C20-22 Alkyl Phosphate C20-40 Pareth-10 C30-38 Olefin/Isopropyl Maleate/Ma Copolymer C9-15 Alkyl Phosphate Candelilla/Jojoba/Rice Bran Polyglyceryl-3 Esters Capric Acid Caprylic Acid Caprylic/Capric Glycerides Caprylic/Capric Triglyceride Peg-4 Esters Caprylic/Capric/Succinic Triglyceride Capryloyl/Caproyl Methyl Glucamide Caprylyl Dimethicone Ethoxy Glucoside Caprylyl/Capryl Wheat Bran/Straw Glycosides Cera Alba Ceteareth-12 Ceteareth-20 Ceteareth-22 Ceteareth-25 Ceteareth-30 Ceteareth-33 Ceteareth-6 Ceteareth-6 Olivate Ceteareth-60 Myristyl Glycol Cetearyl Alcohol Cetearyl Glucoside Cetearyl Olivate Cetearyl Wheat Bran Glycosides Cetearyl Wheat Straw Glycosides Ceteth-10 Ceteth-2 Ceteth-20 Ceteth-24 Ceteth-25 Ceteth-3 Ceteth-4 Ceteth-5 Cetrimonium Bromide Cetrimonium Chloride Cetrimonium Methosulfate Cetyl Alcohol Cetyl Peg/Ppg-10/1 Dimethicone Cetyl Phosphate Cetylpyridinium Chloride Cholesteryl Stearate Choleth-15 Choleth-24 Cocamide Dea Cocamide Dipa Cocamide Mea Cocamide Mipa Cocamidopropyl Dimethylamine Coceth-7 Cocoglycerides Coconut Acid Coconut Alcohol Coconut Oil Polyglyceryl-6 Esters Crambe Abyssinica Seed Oil Phytosterol Esters Dea-Cetyl Phosphate Dea-Oleth-10 Phosphate Decyltetradeceth-25 Dextrin Palmitate Dextrin Palmitate/Ethylhexanoate Dicetyl Phosphate Dicetyldimonium Chloride Diethylhexyl Sodium Sulfosuccinate Dimethicone Peg-7 Phosphate Dimethicone/Peg-10/15 Crosspolymer Dimethicone/Polyglycerin-3 Crosspolymer Dipentaerythrityl Hexacaprylate/Hexacaprate Diphenyl Dimethicone Disodium Cetearyl Sulfosuccinate Disodium Coco-Glucoside Citrate Emulsifying Wax Fusel Wheat Bran/Straw Glycosides Glycereth-2 Cocoate Glycereth-25 Pca Isostearate Glycereth-5 Lactate Glycereth-7 Caprylate/Caprate Glyceryl Arachidonate Glyceryl Behenate Glyceryl Behenate/Eicosadioate Glyceryl Caprylate Glyceryl Caprylate/Caprate Glyceryl Citrate/Lactate/Linoleate/Oleate Glyceryl Cocoate Glyceryl Dilaurate Glyceryl Hydroxystearate Glyceryl Isostearate Glyceryl Laurate Glyceryl Linoleate Glyceryl Myristate Glyceryl Oleate Glyceryl Oleate Citrate Glyceryl Olivate Glyceryl Stearate Glyceryl Stearate Citrate Glyceryl Stearate Se Glyceryl Undecylenate Glycine Soja Protein Glycol Distearate Glycol Palmitate Glycol Stearate Glycol Stearate Se Hexylene Glycol Hydrogenated Castor Oil Hydrogenated Coconut Acid Hydrogenated Lecithin Hydrogenated Lysolecithin Hydrogenated Palm Glyceride Hydrogenated Palm Glycerides Hydrogenated Palm Oil Hydrogenated Palm/Palm Kernel Oil Peg-6 Esters Hydrogenated Phosphatidylcholine Hydrogenated Vegetable Glycerides Hydrogenated Vegetable Glycerides Citrate Hydrolyzed Beeswax Hydroxyethyl Ethylcellulose Hydroxylated Lecithin Hydroxypropylcellulose Hydroxystearic Acid Inulin Lauryl Carbamate Isoceteth-10 Isoceteth-20 Isoceteth-25 Isodeceth-6 Isopropyl Lanolate Isopropyl Titanium Triisostearate Isostearic Acid Lanolin Lanolin Alcohol Lanolin Cera Laureth-10 Laureth-12 Laureth-2 Laureth-23 Laureth-25 Laureth-3 Laureth-4 Laureth-5 Carboxylic Acid Laureth-7 Laureth-8 Laureth-9 Laureth­‐4 Carboxylic Acid Lauric Acid Lauryl Alcohol Lauryl Peg-10 Tris[Trimethylsiloxy]Silylethyl Dimethicone Lauryl Peg-9 Polydimethylsiloxyethyl Dimethicone Lauryl Phosphate Lecithin Linseed Acid Lysolecithin Methoxy Peg/Ppg-25/4 Dimethicone Methyl Glucose Isostearate Methyl Glucose Sesquistearate Methylsilanol Tri-Peg-8 Glyceryl Cocoate Myristamine Oxide Myristic Acid Neopentyl Glycol Diisostearate Nonoxynol-12 Octoxynol-12 Octoxynol-9 Octyldodeceth-16 Octyldodeceth-25 Octyldodecyl Xyloside Oleic Acid Oleth-10 Oleth-2 Oleth-3 Oleth-30 Oleth-5 Oleth-7 Olive Glycerides Olive Oil Glycereth-8 Esters Olive Oil Peg-7 Esters Olive Oil Peg-8 Esters Olivem 1000 PEG-60 Hydrogenated Castor Oil Palm Acid Palm Glycerides Palm Kernel Acid Palmeth-2 Phosphate Palmitic Acid Peg-10 Dimethicone Peg-10 Hydrogenated Castor Oil Peg-10 Isostearate Peg-10 Laurate Peg-10 Phytosterol Peg-10 Rapeseed Sterol Peg-10 Soy Sterol Peg-10 Stearate Peg-100 Stearate Peg-11 Methyl Ether Dimethicone Peg-12 Diisostearate Peg-12 Dimethicone Crosspolymer Peg-12 Glyceryl Laurate Peg-120 Methyl Glucose Dioleate Peg-15 Cocamine Peg-15 Glyceryl Stearate Peg-15 Hydroxystearate Peg-150 Distearate Peg-150 Pentaerythrityl Tetrastearate Peg-16 Macadamia Glycerides Peg-16 Soy Sterol Peg-18 Glyceryl Oleate/Cocoate Peg-2 Castor Oil Peg-2 Soyamine Peg-2 Stearate Peg-20 Castor Oil Peg-20 Glyceryl Stearate Peg-20 Glyceryl Triisostearate Peg-20 Methyl Glucose Sesquistearate Peg-20 Phytosterol Peg-20 Sorbitan Cocoate Peg-20 Sorbitan Isostearate Peg-20 Stearate Peg-200 Hydrogenated Glyceryl Palmate Peg-22/Dodecyl Glycol Copolymer Peg-3 Distearate Peg-30 Dipolyhydroxystearate Peg-30 Glyceryl Cocoate Peg-30 Hydrogenated Castor Oil Peg-30 Lanolin Peg-30 Phytosterol Peg-30 Sorbitan Tetraoleate Peg-30 Soy Sterol Peg-30 Stearate Peg-35 Castor Oil Peg-36 Castor Oil Peg-4 Castor Oil Peg-4 Diheptanoate Peg-4 Dilaurate Peg-4 Laurate Peg-40 Castor Oil Peg-40 Glyceryl Cocoate Peg-40 Hydrogenated Castor Oil Peg-40 Sorbitan Peroleate Peg-40 Stearate Peg-5 Ethylhexanoate Peg-5 Glyceryl Stearate Peg-5 Glyceryl Triisostearate Peg-5 Phytosterol Peg-5 Rapeseed Sterol Peg-50 Shea Butter Peg-6 Caprylic/Capric Glycerides Peg-6 Hydrogenated Castor Oil Peg-6 Isostearate Peg-6 Methyl Ether Dimethicone Peg-6 Stearate Peg-60 Almond Glycerides Peg-60 Hydrogenated Castor Oil Triisostearate Peg-7 Caprylic/Capric Glycerides Peg-7 Glyceryl Cocoate Peg-7 Hydrogenated Castor Oil Peg-7 Trimethylolpropane Coconut Ether Peg-75 Lanolin Peg-75 Shea Butter Glycerides Peg-8 Beeswax Peg-8 Caprylic/Capric Glycerides Peg-8 Diisostearate Peg-8 Glyceryl Isostearate Peg-8 Isostearate Peg-8 Laurate Peg-8 Stearate Peg-80 Glyceryl Cocoate Peg-80 Hydrogenated Castor Oil Peg-9 Polydimethylsiloxyethyl Dimethicone Peg/Ppg-14/4 Dimethicone Peg/Ppg-18/18 Dimethicone Peg/Ppg-19/19 Dimethicone Peg/Ppg-20/15 Dimethicone Peg/Ppg-20/20 Dimethicone Peg/Ppg-20/6 Dimethicone Peg/Ppg-8/3 Diisostearate Pemulen Pentaerythrityl Distearate Phosphatidylcholine Poloxamer 101 Poloxamer 124 Poloxamer 182 Poloxamer 184 Poloxamer 185 Poloxamer 188 Poloxamer 234 Poloxamer 235 Poloxamer 338 Poloxamer 407 Polyglyceryl-10 Behenate/Eicosadioate Polyglyceryl-10 Caprylate/Caprate Polyglyceryl-10 Diisostearate Polyglyceryl-10 Dioleate Polyglyceryl-10 Dipalmitate Polyglyceryl-10 Distearate Polyglyceryl-10 Laurate Polyglyceryl-10 Pentaisostearate Polyglyceryl-2 Caprate Polyglyceryl-2 Diisostearate Polyglyceryl-2 Isostearate Polyglyceryl-2 Laurate Polyglyceryl-2 Oleate Polyglyceryl-2 Sesquicaprylate Polyglyceryl-2 Sesquiisostearate Polyglyceryl-2 Sesquioleate Polyglyceryl-2 Stearate Polyglyceryl-2 Triisostearate Polyglyceryl-20 Octaisononanoate Polyglyceryl-3 Beeswax Polyglyceryl-3 Caprate Polyglyceryl-3 Caprylate Polyglyceryl-3 Cetyl Ether Olivate/Succinate Polyglyceryl-3 Cocoate Polyglyceryl-3 Dicitrate/Stearate Polyglyceryl-3 Diisostearate Polyglyceryl-3 Distearate Polyglyceryl-3 Laurate Polyglyceryl-3 Methylglucose Distearate Polyglyceryl-3 Oleate Polyglyceryl-3 Palmitate Polyglyceryl-3 Polyricinoleate Polyglyceryl-3 Rice Branate Polyglyceryl-3 Ricinoleate Polyglyceryl-3 Sorbityl Linseedate Polyglyceryl-3 Stearate Polyglyceryl-4 Caprate Polyglyceryl-4 Caprylate Polyglyceryl-4 Cocoate Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate Polyglyceryl-4 Isostearate Polyglyceryl-4 Laurate Polyglyceryl-4 Laurate/Succinate Polyglyceryl-4 Oleate Polyglyceryl-5 Laurate Polyglyceryl-5 Oleate Polyglyceryl-5 Polyricinoleate Polyglyceryl-5 Trioleate Polyglyceryl-6 Caprate Polyglyceryl-6 Caprylate Polyglyceryl-6 Dicaprate Polyglyceryl-6 Distearate Polyglyceryl-6 Isostearate Polyglyceryl-6 Laurate Polyglyceryl-6 Octastearate Polyglyceryl-6 Palmitate/Succinate Polyglyceryl-6 Polyricinoleate Polyglyceryl-6 Ricinoleate Polyglyceryl-6 Stearate Polyglyceryl-6 Ximenia Americana Seedate Polyhydroxystearic Acid Polysorbate 20 Polysorbate 40 Polysorbate 60 Polysorbate 61 Polysorbate 65 Polysorbate 80 Polysorbate 85 Potassium Cetyl Phosphate Potassium Cocoate Potassium Laurate Potassium Laureth Phosphate Potassium Myristate Potassium Oleate Potassium Olivate Potassium Palmitate Potassium Ricinoleate Potassium Stearate Potassium Tallowate Ppg-1-Peg-9 Lauryl Glycol Ether Ppg-13-Decyltetradeceth-24 Ppg-2 Hydroxyehtyl Cocamide Ppg-2 Hydroxyethyl Cocamide Ppg-2 Isoceteth-20 Acetate Ppg-2-Deceth-12 Ppg-24-Glycereth-24 Ppg-25-Laureth-25 Ppg-4-Ceteth-10 Ppg-5-Ceteth-10 Phosphate Ppg-5-Ceteth-20 Ppg-5-Laureth-5 Ppg-6-Decyltetradeceth-30 Ppg-8-Ceteth-20 Quaternium-90 Montmorillonite Quillaja Saponaria Bark Extract Safflower Glyceride Saponins Sclerocarya Birrea Seed Oil Polyglyceryl-6 Esters Shea Butter Glycereth-8 Esters Shea Butter Glycerides Sodium Carboxymethyl C10-16 Alkyl Glucoside Sodium Castorate Sodium Cetyl Sulfate Sodium Coco-Glucoside Tartrate Sodium Coco-Sulfate Sodium Cocoate Sodium Dihydroxycetyl Phosphate Sodium Dodecylbenzenesulfonate Sodium Isostearate Sodium Isostearoyl Lactylate Sodium Laurate Sodium Laureth-13 Carboxylate Sodium Lauroyl Lactylate Sodium Lauroyl Methylaminopropionate Sodium Lauroyl Sarcosinate Sodium Lauryl Sulfate Sodium Laurylglucosides Hydroxypropylsulfonate Sodium Methyl Isethionate Sodium Myreth Sulfate Sodium Oleate Sodium Oleth Sulfate Sodium Olivate Sodium Palm Kernelate Sodium Palmate Sodium Palmitate Sodium Peg-7 Olive Oil Carboxylate Sodium Ricinoleate Sodium Stearate Sodium Stearoyl Glutamate Sodium Stearoyl Lactylate Sodium Surfactin Sodium Tallowate Sodium Taurine Cocoyl Methyltaurate Sodium Tocopheryl Phosphate Sodium Trideceth Sulfate Sorbeth-230 Tetraoleate Sorbeth-30 Sorbeth-30 Tetraisostearate Sorbeth-30 Tetraoleate Sorbitan Caprylate Sorbitan Isostearate Sorbitan Laurate Sorbitan Oleate Sorbitan Oleate Decylglucoside Crosspolymer Sorbitan Olivate Sorbitan Palmitate Sorbitan Sesquiisostearate Sorbitan Sesquioleate Sorbitan Stearate Sorbitan Trioleate Sorbitan Tristearate Soy Acid Stearamidopropyl Dimethylamine Steareth-10 Steareth-2 Steareth-20 Steareth-21 Steareth-4 Stearic Acid Stearoyl Inulin Stearyl Alcohol Sucrose Cocoate Sucrose Dilaurate Sucrose Distearate Sucrose Laurate Sucrose Palmitate Sucrose Polycottonseedate Sucrose Polysoyate Sucrose Polystearate Sucrose Stearate Sucrose Tetrastearate Triacetate Sucrose Trilaurate Sucrose Tristearate Sunflower Seed Oil Peg-8 Esters Tea-Isostearate Tea-Lauryl Sulfate Tea-Stearate Tocopheryl Phosphate Triarachidin Tribehenin Peg-20 Esters Triceteareth-4 Phosphate Triceteth-5 Phosphate Trideceth-12 Trideceth-6 Trideceth-6 Phosphate Trideceth-9 Triethanolamine Trilaureth-4 Phosphate Undecylenic Acid Zea Mays Oil Zinc Coceth Sulfate