Guest guest Posted January 9, 2003 Report Share Posted January 9, 2003 Angie, dl-panthenol can be used in both hair and skin care. A little background is in order. Panthenol comes in two stereo isomers. These isomers are labeled either dextro or levo and are abbreviated with a d or an l. d-Panthenol is biologically active while l-Panthenol is not. Dl-Panthenol is only 50% biologically active. When you see the term dl- in front of a compound name, that indicates that it is the racemic form of that compound. It has approximately equal parts of the d- form and the l- form. Stereo isomers are mirror images of each other and the dextro and levo indicate the 'hand' of the isomer. Dextro means right and levo means left. Other types of isomers in chemistry may have a 'D' or 'S' designation. Again the 'D' is dextro for right and the 'S' is sinister or left. In the early days left-handed people were thought to be sinister. Today, we all know that if the left side of the brain controls the right side of the body then only left-handed people are in their 'right' mind. This is from a lefty. ;>) Young KY Labs Innovators of Fine Personal Products www.kylabs.com dl panthenol Hi All, I'm looking for some good information on dl panthenol, rather than d panthenol. I didn't see anything in the files and a search on google didn't turn up anything I found very helpful. I know the dl is primarily used in hair care, but don't understand why it could not be used in skin care. I have seen some formulas with it listed as an ingredient in lotions/creams....so I assume it has been used. Any info is appreciated. Thanks, Angie The Herbarie - Botanicals and Body Care Natural Source & Specialty Bulk Ingredients...Exceptional Quality at Wholesale Prices...visit us at http://www.theherbarie.com Quote Link to comment Share on other sites More sharing options...
Guest guest Posted January 10, 2003 Report Share Posted January 10, 2003 In a message dated 1/9/03 4:38:40 PM Pacific Standard Time, @... writes: > Angie, > > dl-panthenol can be used in both hair and skin care. A little background > is in order. Panthenol comes in two stereo isomers. These isomers are > labeled either dextro or levo and are abbreviated with a d or an l. > d-Panthenol is biologically active while l-Panthenol is not. > Dl-Panthenol is only 50% biologically active. When you see the term dl- > in front of a compound name, that indicates that it is the racemic form > of that compound. It has approximately equal parts of the d- form and > the l- form. Stereo isomers are mirror images of each other and the > dextro and levo indicate the 'hand' of the isomer. Dextro means right > and levo means left. Other types of isomers in chemistry may have a 'D' > or 'S' designation. Again the 'D' is dextro for right and the 'S' is > sinister or left. In the early days left-handed people were thought to > be sinister. Today, we all know that if the left side of the brain > controls the right side of the body then only left-handed people are in > their 'right' mind. This is from a lefty. ;>) > Hi , Thank you for the fascinating explanation! I am thinking we have at least two chemist/philosophers on this list The left/right thing does ring a bell from way back somewhere? Am I correct to assume that the only difference in functionality is that the dl is 50% active? I'm wondering why we typically see dl used in hair care and d used in skin care...even though as I mentioned I HAVE seen dl in skin care formulations, but not very often. Angie The Herbarie - Botanicals and Body Care Natural Source & Specialty Bulk Ingredients...Exceptional Quality at Wholesale Prices...visit us at http://www.theherbarie.com Quote Link to comment Share on other sites More sharing options...
Guest guest Posted January 10, 2003 Report Share Posted January 10, 2003 In a message dated 1/10/03 4:12:30 PM Pacific Standard Time, @... writes: > The d-Panthenol is 100% active and for your money you have more > activity. d-Panthenol is a very thick liquid may be easier to > incorporate into an emulsion than into a shampoo that is rinsed off > anyway. > Thanks , that's good information. I have some samples of both on the way and lots of good literature, so I'll be evaluating them. I really appreciate your help. Angie The Herbarie - Botanicals and Body Care Natural Source & Specialty Bulk Ingredients...Exceptional Quality at Wholesale Prices...visit us at http://www.theherbarie.com Quote Link to comment Share on other sites More sharing options...
Guest guest Posted January 10, 2003 Report Share Posted January 10, 2003 Angie, The d-Panthenol is 100% active and for your money you have more activity. d-Panthenol is a very thick liquid may be easier to incorporate into an emulsion than into a shampoo that is rinsed off anyway. Young KY Labs Innovators of Fine Personal Products www.kylabs.com Re: dl panthenol In a message dated 1/9/03 4:38:40 PM Pacific Standard Time, @... writes: > Angie, > > dl-panthenol can be used in both hair and skin care. A little background > is in order. Panthenol comes in two stereo isomers. These isomers are > labeled either dextro or levo and are abbreviated with a d or an l. > d-Panthenol is biologically active while l-Panthenol is not. > Dl-Panthenol is only 50% biologically active. When you see the term dl- > in front of a compound name, that indicates that it is the racemic form > of that compound. It has approximately equal parts of the d- form and > the l- form. Stereo isomers are mirror images of each other and the > dextro and levo indicate the 'hand' of the isomer. Dextro means right > and levo means left. Other types of isomers in chemistry may have a 'D' > or 'S' designation. Again the 'D' is dextro for right and the 'S' is > sinister or left. In the early days left-handed people were thought to > be sinister. Today, we all know that if the left side of the brain > controls the right side of the body then only left-handed people are in > their 'right' mind. This is from a lefty. ;>) > Hi , Thank you for the fascinating explanation! I am thinking we have at least two chemist/philosophers on this list The left/right thing does ring a bell from way back somewhere? Am I correct to assume that the only difference in functionality is that the dl is 50% active? I'm wondering why we typically see dl used in hair care and d used in skin care...even though as I mentioned I HAVE seen dl in skin care formulations, but not very often. Angie The Herbarie - Botanicals and Body Care Natural Source & Specialty Bulk Ingredients...Exceptional Quality at Wholesale Prices...visit us at http://www.theherbarie.com Quote Link to comment Share on other sites More sharing options...
Guest guest Posted January 10, 2003 Report Share Posted January 10, 2003 >d-Panthenol is a very thick liquid may be easier to >incorporate into an emulsion than into a shampoo that is rinsed off >anyway. ....and as I recall, d-Panthenol is a better humectant. I can't think of a better reason to use Panthenol in a skin care product. I haven't done this, but, I''ll bet that when you consider the cost to benefit ratio, I think that you'll find other ingredients that are just as effective as humectants that are less expensive. Panthenol has consumer appeal on the label. " Now enriched the Pro-Vitamin B-5 " . Maurice -------------------------------------------------------- Maurice O. Hevey Convergent Cosmetics, Inc. http://www.ConvergentCosmetics.com ------------------------------------------------------- Quote Link to comment Share on other sites More sharing options...
Guest guest Posted January 11, 2003 Report Share Posted January 11, 2003 Angie, I've been searching for more info links on Panthenol to put on the site since I finally bought some more. Searching for DL- Panthenol seems to only turn up manufacturers/suppliers and skin care companies that list the ingredients listings. I did find some articles about D-Panthenol on Medline. Here's links to the ones I've read so far (if the link isn't active, just cut and paste): *Topical use of dexpanthenol in skin disorders. http://www.ncbi.nlm.nih.gov/entrez/query.fcgi? cmd=Retrieve & db=PubMed & list_uids=12113650 & dopt=Abstract *Effect of topically applied dexpanthenol on epidermal barrier function and stratum corneum hydration. Results of a human in vivo study. http://www.ncbi.nlm.nih.gov/entrez/query.fcgi? cmd=Retrieve & db=PubMed & list_uids=10965426 & dopt=Abstract *Improving wound healing after nose surgery by combined administration of xylometazoline and dexpanthenol http://www.ncbi.nlm.nih.gov/entrez/query.fcgi? cmd=Retrieve & db=PubMed & list_uids=10763172 & dopt=Abstract It looks like there are lots more articles, but I haven't had time to get to the others. This one doesn't have to do with panthenol, but it came up on my search and I thought it might be interesting: *Factors defining sensitive skin and its treatment. http://www.ncbi.nlm.nih.gov/entrez/query.fcgi? cmd=Retrieve & db=PubMed & list_uids=9744910 & dopt=Abstract > In a message dated 1/9/03 4:38:40 PM Pacific Standard Time, @k... > writes:> > Dl-Panthenol is only 50% biologically active. , could you explain to me what the l-panthenol is for? When you say it's not active, does that mean it's basically a filler or extender for the d-panthenol? Is dl-panthenol is just an inexpensive, but less beneficial, way of having the label appeal of " Contains Pro-Vitamin B5 " ? Quote Link to comment Share on other sites More sharing options...
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