Product Review: Bengay

February 8, 2019

 

ABOUT BENGAY

 

Bengay offers a line of various products that are distributed by Johnson & Johnson, and previously Pfizer. It is marketed for temporarily relief of muscle and joint pain associated with arthritis, bruises, simple backaches, sprains and strains.

 

Originally developed in France by Dr. Jules Bengué, the product still carries a vestige of his surname. Bengué was Anglicized and commercialized to Ben-Gay later loosing the hyphen and becoming what it is today: Bengay.

 

An interesting side story: after the commercial success of the topical Bengay cream, the company tried their hand at a Bengay Aspirin, with the intent of delivering another pain relief product to its already established customer base. Only the brand was so well associated the hot/cold sensations that come with the active ingredients of their cream, that customers thought an aspirin pill of the same brand name would also "burn" when swallowed. Thus, it failed.



BENGAY ACTIVE INGREDIENTS

 

Ben-gay has an assorted line of products that contain one or more of the following active ingredients:

 

CAMPHOR
This waxy solid has a strong aromatic odor. It is found in the wood of the evergreen tree Cinnamomum camphora; Dryobalanops aromatica; Ocotea usambarensis; and dried rosemary leaves (Rosmarinus officinalis).

 

It is a large contributor to the product's scent, but it is also easily absorbed through skin and produces a cool-feeling like menthol. 


 

MENTHOL

Speaking of menthol, this an organic compound is made synthetically or obtained from mint oils. 

 

Menthol's ability to enhance cooling sensations via stimulating the cold-sensitive transient receptor potential channel melastatin 8 (TRPM8). This receptor is responsible for the well-known cooling sensation it provokes when inhaled, eaten, or applied to the skin. 

 

Menthol also has weak analgesic (pain-killing) effects due to select activation of the κ-opioid receptor. This receptor is a protein that mediates a variety of effects including changing our perception of pain, consciousness, motor control, and mood. 

 

 

METHYL SALICYLATE

Also called wintergreen oil, this organic ester is naturally produced by many species of plants, particularly wintergreens. 

 

Wintergreen oil (along with menthol, eucalyptus oil, camphor, and turpentine oil) is known as a counter-irritant. Counter-irritants create a feeling of cold or heat that can overpower the painful joint or muscle.

 

Wintergreen oil is also a salicylate, as evident by its proper name: methyl salicylate. Salicylates are compounds related to aspirin. By using them topically, it may help a patient avoid most of the negative side effects of taking aspirin or aspirin-related compounds by mouth, such as:

  • ulcers of the stomach and small intestine,

  • abdominal pain,

  • nausea,

  • gastritis (inflammation of the stomach), and

  • even serious gastrointestinal bleeding from ulcers.

 

A study published in 2014 on collagen-induced arthritis in mice concluded, "[methyl salicylate] has great potential to be developed into a novel therapeutic agent for the treatment of rheumatoid arthritis."

But, in its pure form, methyl salicylate is toxic, particularly when taken internally. People should never exceed the directions on the label due to the risk of salicylate toxicity (aspirin poisoning). A single teaspoon (5ml) of methyl salicylate contains 7g of salicylate, which is equivalent to more than twenty-three 300 mg aspirin tablets. It has proven fatal to small children in doses as small as 4ml

 

Every rose has its thorn, right? To lighten things up (literally), when mixed with sugar and dried, methyl salicylate is triboluminescent. Which is almost as fun to say, as it is to see. It's an optical phenomenon in which light is generated through the breaking of chemical bonds in a material when they are pulled apart, ripped, scratched, crushed, or rubbed. Next time you've got some Wintergreen Life Savers and a dark room, try it out.


 

BENGAY SIDE EFFECTS

 

There are no known major side effects for using Bengay topically (on the skin, external use only) as directed. Although one should seek medical attention if severe allergic reaction occurs. Not a good idea to use on broken or damaged skin, and be sure to keep it clear of the eyes - ouch.

 

PRECAUTIONS & WARNINGS:

 

Methyl Salicylate (wintergreen oil) might cause an allergic reaction in people who are allergic to aspirin or other salicylate compounds, or have asthma or nasal polyps. Use wintergreen with caution if you have one of these conditions.

 

Wintergreen oil can be poisonous for children. Taking 4-10 mL of wintergreen oil by mouth can be deadly. So keep away from the kiddos and do not use wintergreen oil on the skin of children less than 2 years old.

 

If you are pregnant or breast-feeding, wintergreen is safe in amounts found in food, but there's inconclusive evidence to know if it's safe in the larger amounts internally or topically. Either clear usage by your doctor, or select a topical gel that does not include wintergreen oil (methyl salicylate) in the ingredients label on the back of the box.


 

SUMMARY

 

I found an established body of research that may suggest the use of menthol, camphor, and wintergreen oil for mild pain relief. Given the very low risk and very limited side effects, it would seem worth a try for individuals seeking a complementary and/or off-the-shelf product for pain relief.


You can purchase Bengay at most major pharmacies. You can also find it on Amazon

 

 

 

 

 

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