pH

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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Weekend Wonderings: pH with willow bark extract, using Optiphen ND with proteins or goat’s milk, and some administrative things

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DOES WILLOW BARK EXTRACT NEED A LOWER pH?In this post on white willow bark, Heela asks: I wonder if this needs to be in a product that has a pH between 3-4 like traditional salicylic acid? Also, if it is in a higher pH formulation, does the salicylic acid become neutralized or can you drop the...

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(Long) Weekend Wonderings: Altering the pH of our products, freezing fragrance oils, and using butylene glycol as a co-preservative

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ALTERING THE pH OF OUR PRODUCTSIn the Weekend Wonderings comment post, Liz asks: First off I have to say your blog is so informative- you are my bath and body hero! And I have a question for you, with summer coming up I wanted to make a sunless tanning lotion. I bought some Dihydroxyacetone and Erythrulose...

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