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@Peter can you share a photo of your pH meter? I want one that doesn’t require too much product to test. The one I use now unfortunately requires much more product. Maybe I should get a test tube too… so less is required.
I heard bacteria can start growing within a few hours…need to double check. preservatives are important. You should use one?
Look into NAG? Plays well with b3. My
@Peter can you share a photo of your pH meter? I want one that doesn’t require too much product to test. The one I use now unfortunately requires much more product. Maybe I should get a test tube too… so less is required.
I heard bacteria can start growing within a few hours…need to double check. preservatives are important. You should use one?
Look into NAG? Plays well with b3. My
I buy not very expensive pH meters (like this), if you put your product just above the sensing electrode they already work, and I calibrate them with the supplied test solutions. Although they are cheap, they are very accurate. All the products I already knew the pH of, this meter exactly showed the same pH value, so I think this one is perfect. Disadvantage of more expensive ones is you have to calibrate regularly (so you have to buy test solutions) and I’m not using it often enough to justify the price difference.
I know bacteria start growing very quickly, that’s why I use distilled water, sanitize everything with 96% alcohol solution, store it in the fridge and make a fresh one every two days. But because I’m too lazy, and really at home you can’t do the testings professional laboratories can do, I don’t want to bother with formulating my own cosmetics. I’ve seen the testings they do at brands like L’Oreal, you can’t do that at home. You will never know if there might be crossreations between substances, or some sort of yeast or bacteria growing inside your product. Also you can’t be completely sure if the ingredients you buy have the same quality as larger brands. The most difficult thing you need to know is at what pH each ingredient has to be formulated, if they work well together, how you have to dissolve them. I know there are some really odd ones, you can only formulate with at unusual pH values (a common one which everyone knows of is Ascorbic Acid, it has to be at a pH lower than 3.6). I think there are too many uncertainties to formulate your own cosmetics. I even have seen profesional brands, where bacteria started growing, which had to be taken of the market.Although I do like to make a simply toner or clay mask once in a while, I will only use it once. Also you can make a toner with regular green tea bags, nothing wrong with that. A tip might be, just buy a simple fragrance free toner, and add some ingredients. You can’t go wrong with Niacinamide, Panthenol or Allantoin for example. This is a nice video on “pimping” your toner, its in german so perhaps the text is a bit difficult to read.Hey…that is exactly the same as my pH meter! How do you test liquids and use less? I did buy some solutions to calibrate my pH meter. when it was brand new, the pH was wrong.>But because I’m too lazyrubbish. you are not lazy.humanely not possible to formulate skincare everyday for usage.>you can’t do the testings professional laboratories can doDamn straight>Also you can’t be completely sure if the ingredients you buy have the same quality as larger brands.try reputable companies. Avoid dodgy sources.>Also you can’t be completely sure if the ingredients you buy have the same quality as larger brands.synthetic stuff – maybe notnatural – 100% YES@Peter gosh the limit for text is not very long. i keep getting prompted the message is too long.
continued>The most difficult thing you need to know is at what pH each ingredient has to be formulated,wrong. check the MSDS, they will advise for each ingredient what pH it is stable in.>if they work well togetherbillion dollar question. companies are built on 1 successful product. lolno one knows either. discover the next best combination and make buck loads.>how you have to dissolve them.easy. medical journals. forums. MSDSmany of your fave ingredients are TOUGH to dissolve. you may need to use solvents or heat/hold.>I think there are too many uncertainties to formulate your own cosmetics.if it is too easy, i lose interest lol. take the challenge and make it fun.>I even have seen professional brands, where bacteria started growing, which had to be taken of the market.bingo. even the pros are not perfect.i have seen home labs better than professional factories.>Also you can make a toner with regular green tea bags, nothing wrong with that.I saw a video of Korea top makeup artist skincare trick… using green tea to rinse the face.
even better. Aussie tap water is filled with gunk, i see it constantly in my distiller.> A tip might be, just buy a simple fragrance free toner, and add some ingredients.toners are really good margin products. i’ll make that simple toner if you want… for you at cost. i wouldn’t pay too much for >90% water.>You can’t go wrong with Niacinamide, Panthenol or Allantoin for example.+ NAG hee>This is a nice video on “pimping” your toner, its in german so perhaps the text is a bit difficult to read.lol google translate can’t help… i’ll check that out. i got so much homework to read from u … lol>Also you can’t be completely sure if the ingredients you buy have the same quality as larger brands.
There’s difference between purities of pure ingredients. They don’t mention it on the packaging. But in professional labs they test for the quality of ingredients, even natural oils or things like niacinamide for example may contain trace amounts of all kind of different elements.>How do you test liquids and use lessyou need to calibrate a pH-meter quite regularly. Most of those yellow cheap pH-meter come with a pH4 and pH6.86 test sollution. I put the product I want to test in a small cup and if the electrode is inside the product, it works very well, so in my experience you don’t have to stick it till the recommended immersion level.>The most difficult thing you need to know is at what pH each ingredient has to be formulatedWell I’ve found the right pH for many ingredients, but I couldn’t find it for things like Resveratrol or Green Tea for example. Those MSDS pH values are just the pH what you get if you dissolve the ingredient. That doesn’t have to be the pH at which the ingredient is most stable.>I think there are too many uncertainties to formulate your own cosmetics.>if it is too easy, i lose interest lol. take the challenge and make it fun.Well I have had some chemistry classes, if I don’t completely understand which chemical reactions are taking place, I’m not going to do it. For example perhaps you’ve read there’s an interaction between ascorbic acid and niacinamide, it forms a complex. But do you know what will happen if you mix Superoxide Dismutase with Resveratrol, I don’t.I mean dissolving it, perhaps knowing at what pH an ingredient is stable, storing it in the fridge is the first step, many things are described on the internet, but exactly knowing what you’re doing, what is happening chemically inside the product is another story. It’s way more complex than you think, and many things you simply can’t know or read from the internet. Professional cosmetic companies use techniques like multidimensional gas chromatography, or electrospary ioniation mass spectometry. I don’t think you have that at your home. Perhaps you can read this book.Besides a face mask or a product with some simple oils and some ingredients I’m not going to formulate my own cosmetics
> so in my experience you don’t have to stick it till the recommended immersion level.
Aha! So how much is ok to get away with my pH meter. I need a smidgen with pH strips.
Yes I have those calibration solution.Purity of ingredients: I thought the companies I. It ingredients… eg bulk Actives lotion rafter etc do state they essay/purity … sometimes the % of Actives in the Extract.
Green tea /Resveratrol : oh yeah, these are not provided. I remember having no luck finding more on Resveratrol. A good question for Perry’s forum Chemist corner.
Chemistry :
Duh no. But I do safe stuff. And seek inspiration by products already formulated and tested. You can also try asking at chem corner if some actives play nice, they may have better experience tho the person with better experience with superoxide dismisses is Dr Sivak. You can check the products she has, good chance you’ll find them … if not post directly in their forum and ask. Sounds like a dream team combo, check their products to see if this 2 ingredients appear in the same product? I don’t remember but I rem Dragon fr Skinactives told me to DIY slow. Not too many actives at a time. no more than 3 Actives ideally. I hope she is ok, she closed her shop Skin Essential Actives. I’ll send an email, pray it doesn’t bounce.>mean dissolving it, perhaps knowing at what pH an ingredient is stable, storing it in the fridge is the first step, many things are described on the internet, but exactly knowing what you’re doing, what is happening chemically inside the product is another story.
I only follow recipes/instructions so far.Btw I read this we were discussing:
“If the active is not soluble in water or in oil, I may have to find an alternative solvent, because the skin will not absorb the un-dissolved active.
The physical properties of an ingredient, including its capacity to dissolve in a particular solvent, are fixed. The capacity to dissolve depends on the relationships that the molecule can establish with the molecules of the solvent.” Dr Sivak
>It’s way more complex than you think, and many things you simply can’t know or read from the internet.
Agreed. But it is not difficult to make something simple with ingredients with an abundant of information already available,>Professional cosmetic companies use techniques like multidimensional gas chromatography, or electrospary ioniation mass spectometry. I don’t think you have that at your home. Perhaps you can read this book.
Thanks.
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