32 products in the catalog
Ingredient safety
The average covers the ingredient-safety axis only, computed live from each product's raters — never a blended or stored brand score. Open a product to weight the axes yourself.

Simply
Smooth Keratin Finishing Gloss
30
raters split 15–80
Data Good · 5/7
6 raters · split 15–80 on ingredient safety

Simply
Smooth Xtend Keratin Repairative Magic Potion, THE ORIGINAL, fixes everything! (Size
28
raters split 8–85
Data Robust · 26/26
8 raters · split 8–85 on ingredient safety

Simply
Smooth Xtend Keratin Replenishing Conditioner, Original
27
raters split 0–94
Data Robust · 18/19
4 raters · split 0–94 on ingredient safety

Simply
Smooth Xtend Color Lock Keratin Replenishing Conditioner
27
raters split 0–90
Data Robust · 20/21
6 raters · split 0–90 on ingredient safety

Simply
Smooth Xtend Keratin Replenishing Shampoo, Original
24
raters split 0–82
Data Robust · 20/20
4 raters · split 0–82 on ingredient safety

Simply
Smooth Xtend Keratin Replenishing Calming Balm
21
raters split 0–85
Data Robust · 31/31
7 raters · split 0–85 on ingredient safety

Simply
Smooth Xtend Keratin Thickening Volumizer
21
raters split 0–85
Data Robust · 18/19
6 raters · split 0–85 on ingredient safety

Simply
Smooth Xtend Keratin Replenishing Deep Conditioner
15
raters split 0–80
Data Robust · 25/25
5 raters · split 0–80 on ingredient safety