Most of my stars are due to the size, weight and dispenser of the bottle that makes it the most convenient treatment I have ever used. No mess like with tubs that have lids and sometimes spill.
The moisture is the key and it did a good job at moisturising my hair well. Thick product so difficult to spread it evenly through curly hair. I would say there was an 80% decrease in my frizz which is good since I have thin but frizzy hair.
There are other products that have dealt with my frizz better though.