Amazon calculates a product’s star ratings using a machine learned model instead of a raw data average. The machine learned model takes into account factors including: the age of a review, helpfulness votes by customers and whether the reviews are from verified purchases.
The cost of laundry liquid is mind boggling these days. I tried omo due to special price. I really like omo & the fragrance. It didn't remove stubborn stains 1st wash but none do these days. I wouldn't pay $24 for 2L though not for any laundry liquid. $10-$11 is an ok price.