The 5-star trap in online shopping

By Vu Thi Minh Huyen   February 26, 2026 | 02:00 am PT
Many people spend time reading glowing reviews like "amazing", "very satisfied" or "highly recommended". They then choose products with 5-star ratings only to end up disappointed.

Anyone who has shopped online long enough, waited eagerly for a delivery and then felt let down upon opening the box knows an uncomfortable truth: Not every 5-star review comes from a real experience.

Some "buyers" never even open the product, yet are remarkably good at typing a few enthusiastic lines of praise.

A case recently uncovered serves as a blunt, even painful reminder of how easily consumer trust can be exploited.

A person is shopping online. Photo by Pexels

A person is shopping online. Photo by Pexels

Authorities have broken up a large-scale operation selling counterfeit cosmetics on e-commerce platforms. Tons of products of unknown origin were found in warehouses, ranging from creams and serums to familiar skincare brands. What makes this particularly alarming is that these items were far from crude fakes. They came in attractive packaging, with full labels and even anti-counterfeit stickers. To the naked eye, telling real from fake was nearly impossible.

What shocked many people most was the tactic used to build trust. The operators hired, bought and managed large numbers of fake accounts on e-commerce platforms, flooding product pages with picture-perfect 5-star reviews.

The praise appeared regular and consistent, creating the impression of a best-selling, widely loved product validated by the crowd. In the rush of online shopping, few people stop long enough to question whether those stars reflect real quality or a carefully staged illusion.

At first glance, a 5-star rating paired with a large number of reviews lowers our guard. Who would doubt a product praised by hundreds or even thousands of buyers?

Who has the patience to stop, read individual comments and examine details amid a sea of sweet marketing language? And in that moment of quick trust, the trap quietly closes. There is no pressure, no coercion, just a small slip of faith. The cost, however, can be money, damaged skin or peace of mind.

In online shopping, low prices are the sweetest temptation of all. A few minutes of scrolling can reveal countless cosmetic products promoted with alluring phrases like "premium quality at a soft price" or "visible results in just days."

Why do we trust 5-star reviews so easily? It is not that consumers are naive. We are simply behaving like humans. Faced with hundreds of similar choices, the brain looks for shortcuts. And 5-star ratings are the most convenient shortcut.

A quick glance at the numbers gives us the feeling that we have consulted the crowd, made a safe choice and reduced risk. In a fast-paced life, not many people take the time to question something that appears to have been tested by so many others.

Psychologists call this social proof. People tend to believe that if many others choose something, it must be right. When we see hundreds of 5-star ratings, the brain almost automatically concludes that many people have bought the product, many are satisfied and we are not alone in trusting it.

That sense of reassurance feels real, much like walking into a crowded restaurant and assuming the food must be decent. But unlike a restaurant in the real world, e-commerce allows that sense of popularity to be staged with just a few clicks.

Five-star reviews were meant to save buyers time. Ironically, they can end up costing us more. Many shoppers open a product page, glance at "4.9 out of 5 from 2,000 reviews" and feel comfortable placing an order.

In today’s online marketplace, star ratings are no longer a faithful reflection of quality. Sometimes they are simply a glossy coat of paint, carefully applied.

Experienced shoppers tend to share one habit: They learn to doubt before they trust. Instead of focusing only on the overall score, they look at how those stars were created.

A product with almost nothing but 5-star reviews, appearing in a short burst of time and posted by new or inactive accounts, is often a sign worth questioning.

Real reviews are rarely perfect. Genuine users usually mix praise with criticism and point out both strengths and flaws. Generic compliments like "amazing," "very satisfied" or "highly recommended," without details about how long the product was used, what it did or how it felt, often mean the writer had no real experience to share.

The greatest power consumers have is not finding the cheapest deal or keeping up with trends. It is the ability to say no to what is unclear. Because your money, and more importantly your health, are not things to gamble with lightly, no matter how many stars are used to dress up the offer.

The opinions expressed here are personal and do not necessarily match VnExpress's viewpoints. Send your opinions here.
 
 
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