Do you need to measure the pH of your products" If so, do you need a meter, or can the strips work just as well"
We took a look at various pH meters yesterday, so let's ask the most important question of all today - Do you need a pH meter" And what's the advantage of using a pH meter over pH strips"
The first question should be - Do you need to measure the pH of your products"
If you're making lotions with oils, butters, and so on, probably not. The pH will be in the right range.
If you're making lotions that contain active ingredients like AHAs, Vitamin C, salicylic acid, and other cosmeceuticals, definitely yes. These ingredients require very specific pH ranges and they're useless outside of it. As well, you want to make sure you aren't going too low as this could burn you. It is vital if you're using these kinds of acids that you measure the pH accurately.
If you're making body wash, facial cleaners, or shampoos with surfactants that have an acidic starting pH, like cocamidopropyl betaine or disodium laureth sulfosuccinate, then no, probably not.
If you're making body washes or shampoos with ingredients like decyl glucoside, pH 8 to 11, or sodium lauryl sarcosinate, pH 7.5 to 8.5, then yes, as we want the pH of these ingredients to be below 6.
If you're making shampoo bars with sodium coco sulfate (SCS), you definitely need a pH meter. I can't believe how many blog posts I'm seeing where people are making shampoo bars with this ingredient and aren't lowering the pH drastically. SCS is a very alkaline ingredient with a pH over 9, which will wreck your ...
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http://swiftcraftymonkey.blogspot.com
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