How we choose

What a product needs to be included

  • Exact model and variant identifiable
  • Attachment system documented
  • Preference for listings with Free Return label when shown and established stores
  • Correct plug/voltage variant for the destination

What we exclude

  • Medical, skin-treatment or therapeutic claims
  • Unsupported animal-safety claims
  • 'Professional' safety inferred from seller copy
  • Products with suspicious third-party branding

Claims we do not make without specific evidence

  • No therapeutic or skin-treatment claims
  • No animal-safety guarantees
  • No 'professional-grade' safety inferred from seller copy

Evidence labels

Tested by us
A named person used the exact product and variant and recorded the method, dates, results and limitations.
Research-based analysis
We compared published information from several sources without testing the product ourselves.
Manufacturer specification
The figure comes from the maker's documentation and has not been independently checked.
Seller claim
The figure comes from a marketplace listing and has not been independently checked.
Independent source finding
A named third party published the finding; we attribute it rather than repeat it as our own.

Prices

Articles do not contain prices. Where a price is shown, it is the merchant's quote for the shipping destination you chose, with the time it was checked; it disappears when it is no longer current. The price at checkout can differ.

Commissions and editorial choices

We may earn a commission from qualifying purchases. Commission rates do not decide which products we recommend, and any paid placement is labelled as such.

Dates

"Editorially reviewed" dates change only when someone re-checks the article. Price checks do not change them.