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Rapid Heat
Rapid heat like the name suggests means that the straightener
will heat up faster and therefore use less electricity. This also
preserves the life of the appliance. Rapid heat can half the total
time it takes to straighten your hair. You can also turn the appliance
off between sections, to save electricity, confident that the
appliance will re-heat in seconds. Rapid Heat needs more expensive,
fast acting control over the temperature so that the heat doesn't
shoot up straight past the desired temperature. It is easier to
control the temperature if it creeps up slowly. This is one of
the differences between straighteners when it comes to price.
A cheap straightener can take up to 10 minutes to reach the desired
temperature. Top of the range straighteners can reach operating
temperatures in a matter of seconds.
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Adjustable Temperature Control
If you find that the temperature of the iron is too cold or hot
for your hair then an adjustable temperature is essential to control
the irons heat. If your iron is too cool for your hair then its
results will be less effective and last shorter. If the iron is
too hot for your hair then it will dry the hair and the condition
of your hair will deteriorate.
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Automatic Sensor Control
As with the adjustable temperature control except the temperature
is set automatically by sensors in the iron.
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Switchable Temperature
The Dana Italia straightener has two fixed temperature settings
chosen by a switch on the appliance. Better than no choice but
not very flexible
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Plate
Size
The size of the plate determines how much hair can be treated
in any one pass of the iron. Larger plates means a quicker action
can be used decreasing the time needed to perform the straightening.
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Voltage
Most electrical appliances will work on 120V since the heat of
the plates is controlled by thermostat. The only problem is that
some of the appliances will take longer to reach their operating
temperatures at lower voltages.
We personally tested all appliances at 120V and all appliances
reached their operating temperatures.
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