Second-hand products that you shouldn’t buy even if they are cheap

Secondhand markets have exploded in popularity, especially among shoppers hunting for discontinued items or pieces with a bit of history.

Clothing is one of the top‑selling categories, but according to flea‑market expert Hanna Kärkinen, some garments should never be bought used.

Low prices can easily tempt shoppers, especially during the holiday season, when gift‑buying surges and secondhand sales skyrocket. But in her book Love for Flea Markets, Kärkinen warns buyers about two categories of items that should be completely off‑limits at thrift stalls and flea markets.

The two items you should never buy used

Kärkinen’s biggest red flags are underwear and food products. No matter how clean or well‑presented they may look, she says these are among the most unhygienic items a shopper can bring home.

The author, who also runs the popular account Fintagea, adds another caution: used crash helmets and car seats. Unless you know the item’s exact age, how it was stored, and whether it has ever been dropped or involved in an accident, it’s safer to avoid it altogether.

Other items that can be risky

Kärkinen also urges caution with cosmetics and personal‑care products. Even if they appear sealed or have an expiration date, they can pose serious health risks.

“In flea markets, I’ve sometimes seen body lotions from the 1980s — you can literally see how the formula has changed,” she writes.

Electrical appliances are another category that requires careful inspection. These devices heat up during use and may have hidden damage from misuse or long periods of inactivity. A faulty appliance can be dangerous, so it’s essential to check for cracks, frayed cords, or any sign of malfunction before buying.

Plastic items and coated cookware can also degrade over time. Their protective layers may wear down or become brittle — the same issue that affects polyurethane used in shoe soles. Even if a pair of shoes looks great, it’s important to always check the condition of the sole, especially if the item shows signs of wear.

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