well...
http://www.folica.com/appliances/straightener.htm
this webstite has some info on straighteners but:
The Sedu
http://www.leandernet.com/Flat_irons/Flat_irons.php
Sedu 1" & 1-1/2" Professional Ceramic Tourmaline Straightening Irons
Sedu Professional Ceramic Tourmaline Irons straighten and smooth hair effortlessly. The patented ultra-smooth ceramic/tourmaline plates allow for incredible 'slip' through the hair without pulling or snagging. The ultra-lightweight design allows for greater control while styling.
* Adjustable temperature : 240 ºF - 410ºF
* Ultra-lightweight design (.50 lbs)
* Scratch resistant plates
* Ceramic/Ionic Tourmaline Technology
* 9’ swivel cord with surge protection
If you're considering purchasing one of the sedu ceramic hair straighteners, you might well be asking yourself the question, are they worth their price? In order to answer this it is important to analyze not only the cost of these sedu flat irons but also what you get in return.
Many people will already be familiar with the sedu hair straightener because of the publicity they have been receiving, especially due to the fact that many of the celebrities today are sporting sedu hair styles. You only have to do a brief internet search to come across the Jennifer Lopez sedu hairstyles or the Jennifer Aniston sedu hairstyles but you might still ask the question is this all just hype?
What Is The Sedu Ceramic Hair Straightener?
If you have ever purchased a hair straightener or have even enquired about one then you will know that they range in price from $20 to $150. These sedu ceramic hair straighteners will set you back around $130, so what do you really get for your money.
Firstly you get ultra smooth plates that guarantee to straighten your hair without pulling or breaking. This is something that most other ceramic hair straighteners do due to their uneven surfaces.
The ceramic plates use tourmaline which helps to generate more negative ions that your regular ceramic straightener which in turn adds more shine and luster to your hair whilst eliminating frizz. These negative ions also help cut your straightening time in half.
The sedu ceramic hair straighteners use infra red heat technology which helps to seal in the hair's moisture and prevent damage.
The sedu hair straightener is lightweight, and has an ergonomic design making it easier to handle.
The sedu hair iron heats up in 25 seconds, saves on electricity, and comes with a temperature control which can be adjusted for individual hair types.
The sedu hair iron comes complete with a safety IDCI plug which is designed to prevent electrical shocks.
The 9 inch swivel cord on the sedu hair straightener prevents tangling and the sedu hair iron also comes with a one year limited warranty
COSTS ABOUT: 120
The Chi
Chi hair straighteners are among the best hair straighteners on the markets today and this article gives you all the information you need before purchasing a Chi hair straightener.
Chi hair straighteners are one of Farouk flat irons and are a 1 inch ceramic hair straightening iron that can straighten, flip and curl hair. This ceramic hair straightening iron is one of the best hair straighteners but it also has its downsides. The main one being that Chi hair straighteners can only be used in the USA or Canada and will not work even with a converter.
Chi Hair Straightener Features
Chi hair straighteners by Farouk flat irons use ceramic heat and this ceramic hair straightening iron maintains an even temperature throughout its usage time. By using ceramic heat, Chi hair straighteners also help to seal hair cuticles and repel humidity helping to prevent hair damage.
Chi hair straighteners are also ergonomically designed and come with a 10 foot electrical cord with a 360 degree swivel connection. The on off switch is positioned on the side making access to this even easier and this ceramic hair straightening iron is also lightweight which is always a bonus.
Safety features of Chi hair straighteners include a circuit breaker and the use of space age installation where only the ceramic plates heat up and not the whole unit. This is an excellent feature especially if the unit is left powered on accidentally.
Chi hair straighteners by Farouk flat irons are versatile and can be used for a wide range of styling needs. These include hair straightening, hair curling, hair flips, hair crimping, dreadlocks, and preparing hair for dry hair cuts.
All in all it is easy to see why Chi hair straighteners fall into the best hair straighteners category. Not only do they straighten hair but they are also excellent value for money being the cheapest of the three best hair straighteners on the markets today.
Product Features:
Ceramic Heat
Moist ceramic heat with ceramic plates and coils
Ceramic will maintain even temperature all the times
Ceramic will produce negative ions
Seals the cuticle
Locks in hair color and retards fading
Ceramic heat will ensure the penetration of the silk molecules to the hair
Traditional copper coil can cause more damage and dry the hair
Ergonomically Designed
10 foot heavy duty electrical cord
On-Off switch (temperature not variable, fixed at 370°F)
Lite weight design
Fits in a standard curling iron station
Power
"Flash Heating" in only seconds
Saves energy - CHI only uses 35 watts of electricity
Versatile
For straight looks
Flips
Curls
Crimping
$85-175
COST: usually like 150
i thought the chi was amazing but by the looks of it the sedu might be even better.
but your choice:)