Shampoo Arena
Hair type
Curly and coily hair
Hair that needs moisture retention and definition without stiffness.
| Ingredient | Score with vs without it | Effect | t | With | Without |
|---|---|---|---|---|---|
| Basic Blue 124 | +581 | +26.4 | 3 | 293 | |
| Sodium Lauryl Sulfate | -594 | -18.2 | 19 | 277 | |
| Retinyl Palmitate | -722 | -14.6 | 3 | 293 | |
| Hydroxyethyl-2-Nitro-p-Toluidine | -274 | -13.0 | 3 | 293 | |
| Disodium 2-Sulfolaurate | +545 | +12.7 | 4 | 292 | |
| Glyoxal | -723 | -12.6 | 5 | 291 | |
| Cocos Nucifera (coconut) Water | +402 | +12.2 | 5 | 291 | |
| Methyl Benzoate | -260 | -10.6 | 3 | 293 | |
| Diazolidinyl Urea | +393 | +9.4 | 4 | 292 | |
| Iodopropynyl Butylcarbamate | +393 | +9.4 | 4 | 292 | |
| Silicone Quaternium-22 | +355 | +9.4 | 3 | 293 | |
| Sodium Laureth Sulfate | -322 | -8.3 | 193 | 103 | |
| Sodium Xylenesulfonate | -400 | -8.2 | 40 | 256 | |
| Methyl Gluceth-10 | +407 | +8.0 | 3 | 293 | |
| Tapioca Starch | +407 | +8.0 | 3 | 293 | |
| Threonine | +424 | +7.4 | 11 | 285 | |
| Coco-Glucoside | +264 | +7.3 | 109 | 187 | |
| Tetrasodium EDTA | -367 | -7.0 | 43 | 253 | |
| Alanine | +404 | +6.7 | 10 | 286 | |
| Glyceryl Oleate | +232 | +6.4 | 94 | 202 | |
| Sodium Cocoyl Isethionate | +437 | +6.3 | 16 | 280 | |
| Triethylene Glycol | -349 | -6.3 | 21 | 275 | |
| Glycine | +397 | +6.3 | 11 | 285 | |
| Hydrolyzed Pea Protein | +419 | +6.2 | 3 | 293 | |
| PEG-200 Hydrogenated Glyceryl Palmate | -245 | -6.0 | 7 | 289 | |
| Aspartic Acid | +399 | +6.0 | 9 | 287 | |
| Valine | +399 | +6.0 | 9 | 287 | |
| Isoleucine | +399 | +6.0 | 9 | 287 | |
| Proline | +399 | +6.0 | 9 | 287 | |
| Phenylalanine | +399 | +6.0 | 9 | 287 |
Effect is the difference in mean score (Elo points) between ranked shampoos that contain the ingredient and those that do not; |t| above about 2 is unlikely to be chance alone.