fungirlz

I wanted to invite ya'll in on a conversation Eric, Amy (his wife) and I began at dinner Tuesday evening regarding Bronzers in products on the market.

I asked Eric this question..

Eric am I wrong to believe that certain properties in some products mixed together counter act eachother and thus making them use less when teamed up together?

fungirlz

Posted: 4/27/02 12:01p From Eric................. Quote:
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Michael

Thank you very much for the post of support. We have several customers, Michael being one of course, who are very influential in the tanning industry. I always felt selecting someone, as a vendor was the best type of compliment especially in an industry with a lot of competition.

Chris, who is quickly becoming both influential, and a customer, after one or two Vodkas for her, a couple Tall (unstable) glasses of red wine for Amy , and a few Bombay Sapphire/tonics for me, had us off on a conversation about lotion ingredients.

Well our topic, ventured off into the World or DHA (Dihydroxyacetone), and other self-tanning ingredients used in Tanning lotions. For more information on DHA see this other thread… http://www.tantalk.com/forum/viewtopic.php?topic=2323070&forum=38

My point during our dinner conversation was that several products on the market have ingredients listed on the label, for the sole point of listing them on a label and adding marketability to the products… DHA is a good example of one of these because, everyone recognizes this ingredient as a self-tanner and there are a lot of products that are being marketed as a “bronzer” and charging more for the product because of it. When in reality just by looking at the label, DHA could not be stable in the formula, thus, unless there is some exclusion given these products from the laws of chemical interactions, chances are you are buying the ingredient on the label and not the effect it has in the formula and the resulting product.


Taken from Thread Topic..
Dinner with Amy and Eric...........



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Chris, Cub Reporter Fair and Balanced News.. With a twist..[ This Message was edited by: fungirlz on 2002-04-27 13:23 ]

fungirlz

Posted: 4/06/02 11:03a
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DHA or Dihydroxyacetone is the most commonly used self-tanner, it was discovered by who else but the Germans, in the 1920’s.

DHA is similar in chemical synthesis to a stain that was used to develop X-ray films, and much like many great discoveries it was developed by mistake.

It was not until 1960 that DHA was really discussed as a possible tanning additive for skin. Some time in the 60’s, Coppertone developed the first cosmetic self-tanner.

DHA is a complex carbohydrate or better known (in loose terms a form of a sugar) it reacts with the skins amino acids, peptides and amines in only the outmost layer of skin, the horny layers. Ever wonder why DHA tans the hands and elbows better than anyplace else on the body, especially better than the face….(the easy answer, and answer most often given is they are dry and the moisture absorbs quicker…Well almost true and it may contribute, however. …Actually it is because the hands and elbows, thanks to evolution for protection purposes are significantly thicker with a much more robust horny layer or Stratum Corneum.)

The reaction with DHA and the amines on your skin first forms pyruvic aldehyde which then through some long chemical sequence that involves keto and aldo reduction…yada yada yada… Already getting boring…..It results in aliphatic linear polymers that many refer to as “melanoidins”.

DHA is fairly reactive and formulating is the key to how well it works or if it is even stable. DHA reacts with amines and acrylates or methacrylates in lotions…Little hint if your bronzer lotion has Triethanolamine or Carbomer listed on the label, chances are you are buying the ingredient name or the “bronzer” concept and the marketing that went with it, because DHA in formulations with these ingredients will react and breakdown the DHA….

If you have any specific questions please feel free to email me or call me directly.

Eric


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Eric T. Dann
Formulated Solutions
1776 11th Ave North
Saint Petersburg, FL 33713
etdann@formulatedsolutions.com
Tanning Division: Technique Laboratories
Salon Products, Sold Only Through Salons

Posted in Skin care Topic..
How long has self tanners been around..