
Costco customers are blasting the chain’s new diapers as ‘cheap’ and ‘really upsetting.’
Shoppers have been igniting debates over the unsatisfactory products that recently switched manufacturers.
Longtime supplier Kimberly-Clark, maker of Huggies, ended its partnership with Costco last year to focus on its own premium products.
In January, Costco began stocking Kirkland diapers made by First Quality instead — and shoppers say the difference is obvious.
On TikTok, user @lifewithh_mel compared the new diaper to the old version, calling it ‘paper thin’ and claiming her kids would likely soak through them.
The video sparked widespread complaints across TikTok and Reddit.
Customers are so annoyed they are canceling their Costco memberships.
‘I have no kids and know nothing about diapers and my jaw dropped when you showed the side view of both,’ a shopper wrote.
The manufacturer switch is one of many talked-about Costco changes. Others include its Pepsi and Coca-Cola food court swap and so-called ‘woody’ chicken breasts.
Costco shoppers on TikTok slammed the new Kirkland diapers following a manufacturer switch
Multiple Reddit users also had experiences with the new diapers after purchasing a box at Costco.
‘My babe got a rash lasting weeks. We did everything including anti-fungal/bacteria from the dr., but it wouldn’t go away 100 percent,’ a Reddit user wrote.
‘Used them on my LO and she got a terrible rash and the blowout was horrible,’ a shopper commented.
‘We were gifted a bunch of boxes at her baby shower and I will never use them again.’
A few customers claimed the diaper situation was not Costco’s fault and shouldn’t be penalized for the problematic items.
The diaper mayhem began after the Kimberly-Clark Corporation ended its partnership with Costco to focus on high-priced items under its own brand last year.
The First Quality-manufactured diapers debuted at Costco last January.
One of the diaper brands Kimberly-Clark Corporation still works with is Huggies, which shoppers claimed they would use instead of Kirkland.






Social media users have been unhappy with the new diapers, many claiming they gave their children rashes
Following the diaper change, Costco confirmed it would stop offering Pepsi beverages in its food courts.
The company now only serves Coca-Cola drinks, a hit-or-miss move in shoppers’ eyes.
‘Oh f*** that Coca-Cola!!,’ an angry Costco shopper wrote on Instagram.
Chicken was also an issue despite ‘woody’ meat being a common item at retailers.
‘It’s from meat chickens being bred to grow too big too fast causing abnormal muscle and fiber development,’ a Reddit user explained.
‘It’s still edible. though not very palatable or visually appealing.’
Customers claimed Costco’s sweet treats have also been an issue even though the chain sells high-quality bakery specialties.
Following a new cookie variety and muffin size change, angry shoppers claimed they would boycott the store and accused the chain of shrinkflation.

Costco shoppers have rolled out multiple changes, including a food court beverage swap and a new cookie variety
While shoppers’ anger remains intact, Costco has been in the process of opening 29 new stores.
One store residents weren’t happy to see open is located in Stuart, Florida, over potential traffic increases and environmental degradation.
With all these changes implemented, Costco still has over 130 million members and makes $86 million yearly revenue.