Shampoo Arena
Hair type
Colour-treated hair
Dyed hair where fade rate and cuticle condition are the priority.
| Ingredient | Score with vs without it | Effect | t | With | Without |
|---|---|---|---|---|---|
| Basic Blue 124 | +844 | +39.2 | 3 | 293 | |
| Urtica Dioica Leaf Extract | -456 | -16.5 | 4 | 292 | |
| Sodium Lauryl Sulfate | -545 | -14.3 | 19 | 277 | |
| Hydroxypropyl Methylcellulose | -611 | -14.1 | 5 | 291 | |
| Silicone Quaternium-22 | +323 | +13.3 | 3 | 293 | |
| Glyoxal | -599 | -12.3 | 5 | 291 | |
| Retinyl Palmitate | -491 | -11.9 | 3 | 293 | |
| Palmitamidopropyltrimonium Chloride | +306 | +11.9 | 5 | 291 | |
| Methyl Benzoate | -316 | -11.6 | 3 | 293 | |
| Lauryl Betaine | +570 | +11.4 | 5 | 291 | |
| Disodium 2-Sulfolaurate | +776 | +10.6 | 4 | 292 | |
| Laureth-3 | +573 | +10.5 | 5 | 291 | |
| Maleic Acid | +573 | +10.5 | 5 | 291 | |
| Sodium Methyl Cocoyl Taurate | +569 | +10.3 | 7 | 289 | |
| Equisetum Arvense Extract | -366 | -9.5 | 3 | 293 | |
| Ceteareth-60 Myristyl Glycol | +617 | +8.7 | 3 | 293 | |
| Sophora Flavescens Root Extract | -192 | -8.5 | 3 | 293 | |
| Polygonum Multiflorum Root Extract | -192 | -8.5 | 3 | 293 | |
| Morus Alba Bark Extract | -192 | -8.5 | 3 | 293 | |
| Swertia Japonica Extract | -192 | -8.5 | 3 | 293 | |
| Plantago Asiatica Extract | -192 | -8.5 | 3 | 293 | |
| Opuntia Ficus-Indica Fruit Extract | -192 | -8.5 | 3 | 293 | |
| Phellodendron Amurense Bark Extract | -192 | -8.5 | 3 | 293 | |
| Prunus Amygdalus Dulcis Seed Extract | +557 | +8.3 | 6 | 290 | |
| CI 10316 | -429 | -8.3 | 3 | 293 | |
| Ethoxydiglycol | -231 | -8.2 | 3 | 293 | |
| Triethyl Citrate | -375 | -8.0 | 4 | 292 | |
| Magnesium Citrate | +252 | +6.9 | 4 | 292 | |
| Caprylyl Glycol | +461 | +6.7 | 18 | 278 | |
| Dipropylene Glycol | +552 | +6.6 | 7 | 289 |
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.