Hair type
Thinning hair, wanting volume
Low density or fine hair where body and scalp condition matter.
| Ingredient | Score with vs without it | Effect | t | With | Without |
|---|---|---|---|---|---|
| Calcium Gluconate | +597 | +26.5 | 3 | 293 | |
| Zinc PCA | +648 | +18.5 | 18 | 278 | |
| Phosphoric Acid | +498 | +16.4 | 5 | 291 | |
| HC Blue No. 2 | +487 | +16.3 | 6 | 290 | |
| Caffeine | +578 | +16.2 | 34 | 262 | |
| CI 10316 | -311 | -14.5 | 3 | 293 | |
| Sodium Lauroyl Glutamate | +696 | +13.7 | 9 | 287 | |
| 2-Oleamido-1,3-Octadecanediol | -420 | -13.7 | 3 | 293 | |
| Vegetable Oil | +638 | +12.0 | 9 | 287 | |
| Dimethicone | -415 | -11.9 | 50 | 246 | |
| Hydroxyethyl-2-Nitro-p-Toluidine | -273 | -10.9 | 3 | 293 | |
| Trideceth-10 | -345 | -9.9 | 36 | 260 | |
| Aloe Barbadensis Leaf Juice Powder | +217 | +9.5 | 3 | 293 | |
| Hydrolyzed Pea Protein | +378 | +9.2 | 3 | 293 | |
| Retinyl Palmitate | -266 | -9.0 | 3 | 293 | |
| Zinc Chloride | +607 | +8.9 | 4 | 292 | |
| Dimethiconol | -354 | -8.5 | 29 | 267 | |
| TEA-Dodecylbenzenesulfonate | -354 | -8.5 | 29 | 267 | |
| Sodium Lactate | +339 | +7.5 | 26 | 270 | |
| Laureth-23 | -383 | -7.2 | 14 | 282 | |
| Panthenol | +277 | +7.2 | 114 | 182 | |
| Amodimethicone | -366 | -7.1 | 18 | 278 | |
| Niacinamide | +341 | +7.0 | 59 | 237 | |
| Guar Hydroxypropyltrimonium Chloride | -255 | -7.0 | 137 | 159 | |
| Coco-Betaine | -353 | -6.9 | 24 | 272 | |
| Sodium Lauryl Sulfate | -307 | -6.8 | 19 | 277 | |
| Triethylene Glycol | -281 | -6.7 | 21 | 275 | |
| Carbomer | -359 | -6.6 | 23 | 273 | |
| Sodium Cocoamphoacetate | +407 | +6.4 | 13 | 283 | |
| Sodium Salicylate | -234 | -6.3 | 49 | 247 |
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.