US
Remington

Remington S8540 Keratin Protect Straightener

  • 150 to 230 C, 5 temperature settings
  • 185 C Pro+ setting for gentler styling
  • Ceramic plates with keratin and almond oil coating
  • Digital display, temperature lock, turbo boost
  • EU 2-pin plug with permanent US adapter
  • Heat-proof case included

Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A ceramic flat iron with keratin and almond oil coated plates, a digital display and a gentler preset for daily straightening. It ships with a European plug and a fitted US adapter, and the voltage range is not stated.

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ASIN: B073ZG6J9NCategory: Hair Straighteners

Overview

Anyone straightening thick hair often gets a ceramic iron with keratin and almond oil coated plates in the Remington Keratin Protect. The digital display sets the heat, a lock holds it there and a turbo mode adds a burst for stubborn sections.

Precise digital heat with a lower preset makes it easier to straighten without automatically going to maximum. It is built for European power with a permanent US plug adapter, and the listing never confirms the voltage it accepts.

Who it's for

Regular straightening of thick hair where a set temperature and a heat-proof case matter. Buyers who want a native US plug and a stated voltage should check before ordering.

Pros and cons

Pros
  • Digital display with five settings
  • Temperature lock stops accidental changes
  • Turbo boost for stubborn sections
  • Heat-proof storage case
Cons
  • EU plug with adapter, not a native US plug
  • Voltage range not listed
  • Plate width not stated

Performance notes

Straightening depends on plate heat and contact time, so the lower preset with slower passes can work as well as maximum heat on most hair. Ceramic spreads heat evenly, which limits hot spots. The temperature lock prevents bumping into a hotter setting mid-style.

Specifications

BrandRemington
Dimensions & fit
Item Dimensions L X W14.57"L x 6.3"W
Item Weight15.52 ounces
Capacity & performance
Max Temperature Setting230 C
Temperature range150 to 230 C, 5 settings
Power & efficiency
Power SourceCorded electric
Input VoltageNot listed, EU 2-pin plug with US adapter
Construction & materials
Heater Surface MaterialCeramic with keratin and almond oil
ColorOrange and copper
Included components
Included ComponentsHeat-proof case, permanent EU to US plug adapter
Unit Count1 Count
Other details
Hair TypeThick
Resulting Hair TypeStraight
Item ShapeFlat
Other featuresDigital display, turbo boost, temperature lock

Frequently asked questions

What heat settings does the Remington Keratin Protect have?

Five temperature settings from 150 to 230 C on a digital display, plus a 185 C Pro+ selection and a turbo boost mode.

Does the Remington Keratin Protect come with a case?

Yes, a heat-proof case is included.

Does the Remington Keratin Protect add keratin to hair?

The plates have a ceramic coating enriched with keratin and almond oil. It is a straightener, not a keratin treatment.