Smart Skin Care Forums
Home  -   Forum Index  -   Search  -   Register  -   Profile  -   Log in  -   FAQ  -   Contact Us

DIY glycolic acid cream

 
Post new topic   Reply to topic    Smart Skin Care Forum Index -> Exfoliants
View previous topic :: View next topic  
Author Message
anniebrown



Joined: 19 Apr 2005
Posts: 4
Location: ireland

PostPosted: Thu Apr 21, 2005 2:18 pm    Post subject: DIY glycolic acid cream Reply with quote

I am trying to replicate the good results in the estrogen and glycolic acid study reported on this website, have made up the 0.01 estradiol cream with your help - thank you so much for that and for a brilliant website! -

I have now made up a 15% cream by mixing 30ml of 30% glycolic acid with 30ml of my usual base cream - simplest Aqueous Cream BP as sold in any British chemist's shop - but the resulting stuff seemed to sting a surprising amount given that I don't usually have a particularly sensitive skin: I couldn't imagine leaving it on all night as they appeared to do in the study, and washed it off with baking soda after ten minutes just in case!

In the Cutis study their 15% cream was called Neostrata, with a ph level of 3.7 and a whole list of other ingredients....... Is it at all likely that my cream has the wrong ph level? Might the problem be the lack of the other ingredients? Or do I just have to slowly train my skin to handle it?
Back to top
View user's profile Send e-mail
drtodorov
Site Admin


Joined: 10 Dec 2004
Posts: 3255

PostPosted: Fri Apr 22, 2005 1:19 pm    Post subject: Reply with quote

There are studies where using estrogen cream alone was shown beneficial. (e.g. the onle I discuss here http://www.smartskincare.com/treatments/estrog.html ). Why not try the estrogen cream only at first -- without glycolic acid. (As long as your gyneologist approves)

FYI, the pH of your glycolic cream is likely to be much lower than the 3.7 reported in that study (because they most likely buffered it), which may explain the stinging.

I don't recommend DIY experiments with high strength AHA, they are too harsh for that. (That's the reason I do not provide DIY recipes for AHA formulas)
Back to top
View user's profile Send e-mail
merton



Joined: 12 Mar 2006
Posts: 80

PostPosted: Mon Apr 03, 2006 3:42 pm    Post subject: Reply with quote

Hi AnnieBrown and Dr. Todorov,

Doc, isn't it true that pure Glycolic Acid is 70%. And that when mixing it for cosmetic purposes the 70% compound is considered 100% for compounding purposes. I've only seen 1 gallon offerings always being 70%.

It seems possible that someone in Annie's position could have bought a 30% that really was an absolute 30% if it was mixed outside the industry or by someone who didn't know better. The concentration of the 30% would really be 50% in such a situation and her description sounds 50ish. Its just speculation on my part .

-merton
Back to top
View user's profile
drtodorov
Site Admin


Joined: 10 Dec 2004
Posts: 3255

PostPosted: Mon Apr 03, 2006 9:08 pm    Post subject: Reply with quote

That might be remotely possible,although even if you dilute a 70% solution you would generally want to state the true (absolute) percentage of the final dilution. But people make all kinds of mistakes, I suppose.
Back to top
View user's profile Send e-mail
byronlof



Joined: 30 Apr 2019
Posts: 7
Location: Norway

PostPosted: Fri May 17, 2019 10:11 am    Post subject: DIY glycolic acid cream Reply with quote

Hey everyone I have 99 glycolic acid powder and need to mix/dilute it in distilled water. After looking through tons of threads, Ive found the formula: C1V1 = C2V2 C=concentration, V=volume

My question is - does this only apply to GA that has already been mixed in water or is this the universal formula for both liquid and powder versions?
Back to top
View user's profile Send e-mail AIM Address
Display posts from previous:   
Post new topic   Reply to topic    Smart Skin Care Forum Index -> Exfoliants All times are GMT - 5 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


Powered by phpBB © 2001, 2005 phpBB Group