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Rigident Denture Adhesive Powder Ingredients

UPDATE: Rigident has been discontinued! There are three things you can do about this:
1. Check prices on remaining stock by clicking here. If you find any at a reasonable price, snap it up!
2. Look into alternative zinc-free denture adhesives by browsing around this site. If you liked Rigident, you may like Klutch; it has very similar ingredients. Read my review of ingredients here, or check prices here.
3. Sign the petition to bring back Rigident! I have created a petition to Church & Dwight to let them know how many people their marketing decision has affected. Please click here and sign the petition, and then email all of your denture-wearing friends (and heck, anyone else you think would be interested!) and have them sign it as well!

–original post begins here–

A few days ago I made a brief post marveling at the popularity of Rigident. In it, I made reference to the ingredients of a competing brand, Klutch. This got me to thinking, though; what about the ingredients of Rigident?

Since I, like everyone else in the country, can’t find Rigident stocked in my local stores (it may readily be purchased here, however), I wrote to the makers of Rigident, and asked for a list of ingredients. What I learned shocked me, but in a very good way!

Rigident Denture Adhesive Powder ingredients:
Karaya gum, Acacia Powder and Impalpable borax.

I’m not sure I’ve seen such a short ingredient list on a product in years! And to my mostly untrained eye, they appeared to be very benign. But to be on the safe side, I went ahead and did a little research on each.

Karaya gum is a natural vegetable gum, like guar gum or chicle, and most often used as a thickening agent in foodstuffs. The only warnings I could find about this substance were in regards to its use in ostomy supplies (due to the possibility of infection) and as a choking hazard when delivered in a dry form in large amounts. It’s a certified food additive, and has the FDA’s “Generally Recognized as Safe” (GRAS) designation, and has been tested in humans (abstract here) without showing any toxicity.

Acacia Powder is another natural vegetable gum, also known as gum acacia or gum arabic. It is used as a food stabilizer and thickener, and also has achieved the FDA’s GRAS designation. There is an abundance of information about it on the web, and it appears to have been used for many, many things, including the control of IBS (Irritable Bowel Syndrome), by many for years with no side effects. It has even been studied as an anti-malarial! (scientific abstract available here)

Impalpable borax (which means sodium borate that’s been very, very finely ground) was the scariest-sounding ingredient. It is a mineral salt of boric acid and, while I have known for years that boric acid is approved as a food additive by the FDA, borax is not. Oddly, it is approved as a food additive by the European Union; usually it’s the other way around – the EU tends to ban things before the US. You will find a great deal of controversy over why this is the case; supporters of alternative practitioners like Dr. Hulda Clark will say that this is a conspiracy by the pharmaceutical companies. Whatever the real story, despite its antimicrobial properties, it can’t be used in food. It can, however, be used in small quantities in over-the-counter products, such as Rigident.

One other thing I wanted to mention is that borax is listed as the last ingredient in Rigident. In the US, ingredients must be listed in order of their prevalence in a product, from highest to lowest. This means that of the three components, the ingredient appearing in the smallest quantity is impalpable borax. I took a look at the MSDS (Material Safety Data Sheet) for borax, to find out if the tiny amounts used in Rigident could really cause issues. According to the MSDS, “small amounts (e.g., a teaspoonful) swallowed accidentally are not likely to cause effects; swallowing amounts larger than that may cause gastrointestinal symptoms.” Given that denture users are likely using 1/8th of a teaspoon or less of total product, and considering that only a small percentage of that product is comprised of borax, I would call this a very reasonable risk.

Naturally, each person will have to judge this for themselves (and there may be folks who react poorly to Rigident, though thus far I have not heard from any of them) whether or not to use Rigident. We must also realize that if we were to dissect every ingredient in every product we consume the way I have here, two things would happen:
1. We wouldn’t consume very much, as this is a very labor-intensive process!
2. We’d find much scarier ingredients being used in much larger quantities in products sold as food (sodium benzoate and monosodium glutamate come to mind).

So as always, my advice comes down to this: make sure that your dentures fit as well as possible, so that you use as little denture adhesive as possible. One of the least expensive ways of doing this is to use a denture reline. I’ve said this before, and I will continue to preach it for as long as I have this site: too much of a good thing is bad! So go ahead and stock up on Rigident, but make sure that if you notice your consumption increasing, that you look into a denture reline (or new dentures, if relines are no longer working for you).

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9 comments to Rigident Denture Adhesive Powder Ingredients

  • N. Sylvester

    why has the cost of Rigident adhesive denture powder increased so dramatically recently?
    And in most outlets, if not all by now, Rigident is no longer available. It is extremely popular.

  • Ellen

    Is there any chance that Church and Dwight Co might start
    makeing Rigident again?
    I can’t understand why they would stop making it!!!!
    It is the only product that I can use…none of the others work for me. I’m willing to pay more. I called the company and all I could get was that it was a pure “marketing decision” … in other words…they must feel they are not making enough money. What a shame!

  • Ellen

    2nd comment…I find that when Rigident comes into the store where I buy it, it does not last long. It seems to be snatched off the shelf right away while the other brands sit. How can this not be a money maker????? I wish the company would reconsider. Is there anyway we can persuade the company to start making this product again?

  • Ellen

    3rd comment:

    I have used this product for 30 plus years. I was so relieved to find out it did not contain Zinc!!!

    I wish the company would start making it again…or give the formula to someone else to make it. I’ll be looking for a new version.
    Meanwhile…through the years I would save the small amount left in the bottle that would not come out…so I have several large containers that are full…but what will I do when these run out?
    Please urge the company to bring back this product!!!!

  • Please do not take off market it is the best on the market..Their is no sticky mouth ,does not mass with taste buds…..all others do cause food taste different…and just a gooky mouth.

  • Marion

    My husband has been using Rigident powder for years and he always had problems with heartburn. When the grocery store ran out of Rigident, low and behold his heartburn went away. As an experiment, he found an old bottle of Ridident and dusted his dentures to see what would happen. Instant heartburn. So, now he goes without an adhesive and he is heartburn free!

  • dave

    Actually Church never stopped making it, I was in Indonesia and was looking for dental powder, and came across the same bottle same color same product being sold as Holdtite in new Zealand and Aust, try this Larson Pharmacy he will ship anywhere. When I called them in the States they said oh we stopped making it typical corporate bull, but I get now same stuff good luck

  • dave

    Rigident is sold in Aust and New Zealand but they call it Holdtite same stuff same comp Larson Pharmacy online will ship it to you

  • Mary Brewster

    Hello,
    I am looking for safe powder adhesive to hold my dentures. I found a formula from DYI that I can make myself.
    Karaya gum powder
    Tragacanth gum powder
    Peppermint oil
    I can get these online but they are so expensive (shipping more than the powder.)
    They seem really safe. I bought Poligrip in desperation. Does this help you or can you help me find these products at a reasonable price?
    Thank you

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