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Pepper Spray Frequently Asked Questions

In addition to causing an attacker pain, Pepper Spray swells the mucous membranes, which makes breathing difficult, and swells the veins in the eyes, causing the eyes to close. These effects last 20-30 minutes and cause no permanent damage. In most cases, the attacker will lose control of his faculties immediately. The spray causes inflammation of the eye capillaries and all other mucous membranes, resulting in immediate temporary visual impairment, difficult breathing, coughing, choking, sneezing, severe burning sensations to the eyes, nose, throat and skin, and nausea, with acute symptoms and discomfort lasting for 45 minutes. There is no permanent damage. Click here to see our Pepper Sprays.

What is Pepper Spray?

Pepper Spray is an aerosol spray used for Self-Defense. Pepper Spray is a Defense Spray. Pepper Spray consists of a concentrated agent injected into a canister and dispersed, or sprayed, by aerosol. The concentrated agent is Oleoresin Capsicum. Oleoresin Capsicum is extracted from chili peppers and is the chemical that gives peppers their hot quality. That is why it is called Pepper Spray. Also, Oleoresin Capsicum is known as "OC" for short. That is why Pepper Spray is commonly referred to as OC Pepper Spray.

What is Mace?

Just as many people mistakenly refer to tissue paper as "Kleenex" or refer to a photocopy as a "Xerox", many people refer to Defense Sprays as "Mace". Mace is a brand name that carries a registered trademark owned by Mace Security International (MSI). MSI originally marketed a particular Tear Gas Self Defense Spray. Today, Mace brand Defense Sprays either contain OC pepper, tear gas or both. "Criminal Repellent / Andrews Stun Guns" carries Mace brand products.

What is Tear Gas?

There are three major chemicals used as tear gasses:
1. CS
2. CN
3. CR

The first two are CS and CN, short for orthochlorobenzalmalononitrile and chloroacetophenone, respectively. A third, code named CR (dibenz(b,f)-1,4-oxazepin), has not come into civilian use. Both CS and CN tear gas are synthesized chemicals known as lachrymators. A lachrymator is a substance that produces profuse tearing. At standard temperature and pressure, these chemicals are actually white crystals with fairly low vapor pressures, not gasses, and they are not very soluble in water. In order to disperse them, they are suspended in a liquid carrier and aerosolized.

Pepper Spray v. Tear Gas

Pepper Spray is not tear gas. Tear gas is not pepper spray. Pepper Spray is a defense spray. Tear gas can be used as a defense spray.

Two important differences between pepper spray and tear gas are:
1. Tear gas is an irritant, and therefore its effectiveness relies mainly on pain compliance. Pepper spray is an inflammatory agent. The response to contact with pepper spray is involuntary which makes pepper spray a very effective weapon against drug or alcohol impaired assailants or animals that may not respond to pain. As Doug Lamb writes in "Tactical Use of Defense Sprays" - When a person is sprayed with OC pepper spray, two things happen instantly. First, the person's eyes clamp shut, hard. Not only that, but if that person does manage to force his eyes open, the person still cannot see because the OC dilates the capillaries and causes temporary blindness. Second, an immediate fit of uncontrollable coughing doubles the person over because the OC causes instant inflammation of the breathing tissues, restricting all but life support breathing. An assailant who is sprayed with OC stops what he is doing and stops what he is thinking - period. This is true even for those who are drunk, on drugs, or psychotic.

2. Tear gas has a very high level of toxicity. OC pepper spray is totally non-toxic. We Highly Recommend the Booklet "Tactical Use of Defense Sprays." This 32-page booklet teaches choosing a defense spray, how to carry it, how to shoot it, what to do about multiple assailants, date rape protection, using defense sprays against guns and knives, home tactical use and much, much more about the realities of protecting yourself with defense sprays. Written by nationally recognized self-defense expert Doug Lamb. Click here to see the "Tactical Use of Defense Sprays."

Are All Pepper Sprays the Same?

No, all pepper sprays are not the same. Pepper sprays are rated in two ways: Percentage of Oleoresin Capsicum in the agent itself, and the "hotness" of the spray, which is measured in Scoville Heat Units (SHU's). The percentage of OC has nothing to do with the SHU rating, and vice versa. One of the biggest misconceptions about pepper spray is that the higher the OC percentage, the hotter and more effective the spray. In most cases, this could not be further from the truth. The best, fastest incapacitating pepper sprays in the world are from 2% to 10% OC. The lighter the fluid, the faster is penetrates the membranes. So, the percentage of OC is important, but even more important is the SHU rating, as the percentage has nothing to do with the actual SHU rating or "hotness" of the spray. A pepper spray with 2,000,000 SHU's is twice as hot as a pepper spray with 1,000,000 SHU's. By the way, 2,000,000 SHU's is a substantial rating for an effective pepper spray.

The Physical Effects of Pepper Spray

Pepper Spray has four physiological effects that may be experienced:

1. Eyes - tearing, involuntary closing or complete closing due to dilation of the eye capillaries. Eyes will appear red/bloodshot for 30 to 60 minutes. People wearing eyeglasses or contact lenses will be equally affected.

2. Respiratory System - immediate inflammation, including swelling of the throat lining which can restrict the airway size. Respiratory functions return to normal within 10 to 45 minutes. The airway will be open enough to allow for sufficient oxygen flow for survival. Due to the reduced airway flow, the person will probably not receive enough oxygen to continue fighting or other sustained physical exertion. Temporary paralysis of the larynx. Uncontrollable coughing, retching, and gasping for air with a gagging sensation in the throat.

3. Effect on the skin: inflammation of the exposed skin with a burning sensation.

4. Effects on muscle coordination: pepper spray exposure may cause a person to lose balance due to the effect of pepper spray on vision.

How Can I Be Assured My Pepper Spray Will Work When I Need It?

You should get in the habit of testing your defense spray every 90 days. To do this first go outside and determine which direction the wind is blowing. Remember to always stand upwind from the direction you are spraying. Depress the firing mechanism for a 1/2 second. This test should be performed upon purchase and every 90 days after that. Be aware that every time you test your spray you reduce the contents of the canister. If you are using a key chain model and you test regularly you will need to replace the unit every 9 to 12 months if you follow the recommended testing procedure above.

How Long Will My Pepper Spray Last?

Most pepper sprays have an expiration date stamped on the canister, usually 2 to 4 years from the time of manufacture. Although the spray life is indefinite it does start to lose potency over time. Any use of the spray beyond the expiration date is highly unadvisable. We strongly advise you to replace your pepper spray every year! That way you are always assured of the potency of the spray. Take your old one to a safe place and target practice with it. Become familiar with how far it will spray, how to unlock it, etc. When practicing with your defensive spray, be aware of air movements and wind patterns and be very careful not to contaminate yourself.

How is Pepper Spray Made?

Pepper spray is derived from hot peppers. The oils are extracted from the hot peppers using a high-pressure process. This process leaves you with the active ingredient in pepper spray known as Oleoresin Capsicum, or "OC". OC is a reddish-orange, oily liquid, insoluble in water. The pure pepper extract is then diluted with an inert ingredient that reduces the "hotness" of the extract to get it down to a useable level for pepper spray.

The History of Pepper Spray

Oleoresin capsicum spray was developed at the University of Georgia by Professor James H. Jenkins and Dr. Frank Hayes, D.V.M., in 1960. That formula under the brand name Halt Animal Repellent was first sold in 1963. Like tear gas, oleoresin capsicum (OC) is non-lethal and induces temporary incapacitation with no known long-term effects. In 1989 the Firearms Training Unit (FTU) of the FBI Academy in Quantico, Virginia, completed three years of intensive research on OC, following which the FBI authorized the use of OC for its special agents and SWAT teams. In addition, OC has proven effective against domestic and wild animals without endangering the animals or the environment. OC, in proper dispensing systems, has been successfully used to stop grizzly bear attacks in Alaska and pit bull dog attacks in California and Texas. The US Postal Service also issues OC to its letter carriers and animal control facilities also issue animal repellent to its officers to protect them from dog bites.

The History of Scoville Heat Units (SHU's)

Scoville Heat Units (SHU's) is the measurement of the "hotness" of pepper. All types of chili peppers, including green peppers, jalapenos, and habaneros, all contain an unusually powerful compound found in no other plant, an alkaloid called capsaicin. Capsaicin is the horticultural term for the genus that chili peppers are classified. A single drop of tasteless and odorless capsaicin in 100,000 drops of water is very noticeable. In fact, capsaicin can be detected by humans at one part per million. In 1912, pharmacologist Wilbur Scoville developed a standard for measuring the power of capsaicin: the Scoville Organaleptic Test. Scoville measured exact weights of chili peppers and dissolved the capsaicin in alcohol. This solution was then diluted with sugar water until it was no longer detectable to the human palate. A panel of five taste testers would taste the solution and three of them had to agree before a value was assigned. If, for example, it took 1,000 parts of water to one part of capsaicin, it was said to have 1,000 Scoville Heat Units. This method was useful for calculating the temperature of peppers used in many pharmaceutical products such has heat rubs. Today, high-performance liquid chromatography is used to measure the capsaicin content in peppers. It measures capsaicin levels in parts per million which is then converted to Scoville Heat Units (SHU's). The pepper scale ranges from zero Scoville Heat Units for a bell pepper to 5,000 or so SHU's for a jalapeno, to a whopping 200,000 to 300,000 SHU's for a habanero. Pure capsaicin is 15,000,000 SHU's.

Can I Take Pepper Sprays on a Commercial Airplane?

Pepper Sprays May Fly Only in Checked Bags. Pepper sprays are not allowed on board an aircraft as a carry-on. However, one self-defense spray (pepper spray or mace) not exceeding 4 fl. oz. may be carried in a checked bag if it has a positive means to prevent accidental discharge, i.e. a safety cap. Check the FAA Press Release for detailed information on this subject. Once again, absolutely no carry-ons! For additional information, please visit www.tsa.gov

Are Pepper Sprays Legal in Other Countries?

When dealing with overseas and shipping pepper spray, there are less restrictions on OC pepper sprays than there are on products containing tear gas. Many non-U.S. countries have restrictions, and therefore it is important to understand those restrictions before traveling outside of the U.S. The U.S. government requires special permits and an export license to export (or import) products outside of (or into) the U.S. Contact information for obtaining an export clearance include: Department of Commerce website at www.doc.gov; US Export Assistance Center (206) 553-5615; Department of State-Office of Defense Trade Controls (202) 663-2714; International Trade Institute (206) 527-3732.

What if I accidentally spray myself or someone else?

In case of accidental exposure to the contents of your pepper spray, follow these first aid instructions: Remove contact lenses and contaminated clothing immediately. Flush contaminated area with large quantities of cool water or a diluted baking soda solution and expose the area to fresh air as soon as possible. Do not apply salves, creams, oils or lotions as they can trap the irritant agent against the skin and result in blisters or burns. Consult a physician if irritation persists. Contaminated clothing should be washed or dry-cleaned, as appropriate, prior to re-use to prevent skin injury. Caution: failure to follow these instructions may result in first or second degree burns, severe skin irritation, depigmentation or other skin injury.

What is the proper way to store pepper spray?

Store your Pepper Spray in cool dry area away from heat, flame or strong light. Do not store it in an environment where the temperature may exceed 120 degrees F (50 degrees C) such as an enclosed vehicle. The Pepper Spray cartridge may leak from over pressurization and fail to function properly. Do not store unit in a cold environment under 32 degrees F (0 degrees C). This may cause depressurization and the loss of effective range.

Can I use the pepper spray after it's expired?

Mace Defense Sprays have a shelf life of four years from the date of manufacture and each Mace unit is labeled with an expiration date. An expired unit is not likely to have the amount of pressurization needed to spray properly. Expired units should be disposed of in accordance with all local, state and federal regulations.

Also see:

Pepper Shot | Wildfire | Mace Brand Pepper Sprays
Pepper Spray Laws