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Types of Lasers for Hair Removal - Choosing the Right One

There are many different types of lasers used in laser hair removal. Each one caters to different skin and hair types. Your doctor should be able to tell you which laser is best for you. However, in the meantime, here are some helpful guidelines.

Listed below are some of the most common laser types and their wavelength. Several wavelengths of laser energy have been used for hair removal, from visible light to near-infrared radiation. The wavelength is measured in nanometers (nm).

* Argon: 488 or 514.5 nm
* Ruby: 694 nm
* Alexandrite: 755 nm
* Pulsed diode array: 810 nm
* Nd:YAG: 1064 nm

These different wavelengths have allowed people with a variety of skin types to have successful experiences with laser hair removal.

Pulsewidth is also an important consideration. It has been observed in some published studies that longer pulsewidths are safer in darker skin.

Wavelength is another critical factor. Longer wavelengths are safer in darker skin.

Spot size, or the width of the laser beam, affects treatment. Theoretically, the width of the ideal beam is about four times as wide as the target is deep. Most lasers have a round spot about the size of your little finger (8-10 mm).

By now, you might be wondering if this procedure is painful. Well, I can't lie to you, there is some pain involved. However, for most people it is extremely tolerable. Most people compare it to being snapped by rubber bands.

Fortunately, there are many methods of easing the pain. Epidermal cooling has been determined to allow higher fluences and reduce pain and side effects, especially in darker skin. Four types of cooling systems have been developed:

* Clear gel: usually chilled
* Contact cooling: through a window cooled by circulating water
* Cryogen spray: immediately before/after the laser pulse
* Air cooling: forced cold air at -34 degrees C (Zimmer Cryo 5 unit)

Make sure that your clinic employs some time of cooling system. If needed, your doctor can also give you some topical anasthetic.

You will need multiple treatments for optimal results. Multiple treatments have been shown in numerous studies to be more effective for long-term reduction of hair. Current parameters suggest a series of treatments spaced at 1 month for the face, 2 months for the chest and 3 months for the legs.

Look for a clinic that has a highly experienced and caring staff. With the right guidance and treatments, you could soon be on your way to smooth skin.

About the Author

To find out more about whether laser hair removal is right for you, visit the
Laser Hair Removal Portal
. Your days of tweezing, waxing, and shaving may soon be over.

Bringing the dead back to life, What would cryogenics mean for religion?

I was talking to my Muslim friend today and he said that bringing people back after the have been cryo frozen for years and years will never happen because Allah would never let it happen, so it's impossible.

You do not MEAN **cryogenics**, which is low temperature physics: "The branches of physics and engineering that involve the study of very low temperatures, how to produce them, and how materials behave at those temperatures". By contrast, cryonics is "The emerging medical technology of cryopreserving humans and animals with the intention of future reviva

If raising the dead is a sin, then Jesus was a sinner, because he raised Lazarus from the dead. Actually, Jesus not only raised the dead, he commanded his followers to raise the dead (Matthew 10:8). So not only is it not a sin to raise the dead, it is a sin *not* to raise the dead because that would be a violation of what Jesus commanded.

There is no eleventh commandment that says "Thou shalt not practice cryonics". Where does it say in the Koran that Allah is against cryonics?

Actually, though, there are many definitions of "death" and many views on the conditions under which the various forms of death are reversible. With "clinical death", the heart stops and there is loss of consciousness, but with CPR or defibrillation the person's heart is restarted, they recover consciousness and in most cases they remember everything (although there may be some loss of short-term memories). What is the difference between being brought back from being "dead" within minutes by a defibrillator and being brought back from being "dead" within centuries by cryonics?

Cryonics is a life-extension strategy, much like medicine extends human life. Cryonics differs from medicine, however, in the fact that it relies on technologies that do not currently exist, but seem likely to exist decades in the future, such as rejuvenation, cures for all diseases and molecular repair of cell damage. Cryonics is also more ambitious than modern medicine insofar as it aims to extend human life hundreds or thousands of years. With rejuvenation technology people could remain young and healthy for hundreds or thousands of years.

Average human lifespan has doubled in the last couple hundred years, and there is no evidence in the Bible that this is against the will of God. Nor is there anything in the Bible that would indicate that God would be offended if humans lived hundreds or thousands of years. Methuselah reportedly lived 969 years. What is a few thousand years in the face of eternity?

The current emphasis of cryonics-related research is on improving preservation methods (especially vitrification rather than freezing). If cryopreservation methods are improved enough, then reanimation will be simple. But revival will not be of much use until all diseases have been cured and rejuvenation is possible. Molecular repair technologies, probably including nanotechnology and nanomedicine, will be required to revive people being cryopreserved with current methods. Much progress will be needed in nanotechnology and nanomedicine before focused research on body revival will be possible.

'Cryo kid' speaks out
Kathleen Ruby LaBounty, a 28-year-old "cryo kid," has spoken out in defence of Olivia Pratten, the B.C.-born journalist petitioning B.C. Supreme Court to change laws around anonymous sperm donation.

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