pH

Member exclusive Q&A: What should be the pH of our finished products for fruit acid complex?

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In the January Q&A, Marta asked: What is the recommended pH for a facial product containing fruit acid complex or willow bark extract? You have discussed concerns about a pH being too low in formulations containing (straight) alpha hydroxy acids or salicylic acid. Yet, should one be reducing the pH in a product containing fruit acid...

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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?

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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...

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How to test pH of our products and more (updated for 2017)

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In this post, Weekend Wonderings: Have a question?, Valerie asked: Are there guidelines on to dilute (with distilled water) a sample of a product before testing to get ph test accurate results – like shampoo, lotion etc. I have pH tested my liquid soaps in the past and was instructed to dilute appropriately before testing to...

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Weekend Wonderings: What kind of colourants would we use for shampoo or conditioner or liquid soap?

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In this post, Can I use BTMS-25 in a solid conditioner?, Baby Kat asks: Very interesting point. So far, I have always used btms 50 and it works well for me. I wanted to ask, what kind of colorants would you recommend to add to shampoo/conditioner/liquid soap? I find it more appealing when the color of...

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Long Weekend Wonderings: When to add Vitamin E and essential oils? How much fragrance or essential oil to use in a product?

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WHEN SHOULD I ADD MY VITAMIN E AND ESSENTIAL OILS TO MY PRODUCTS?In this post on anti-oxidants, Rachel asks: Can you please let me know at what temp you would add Vitamin E and EOs to your lotion bar? I added Vit E at 65˚C and it started to set around the globules and was...

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