Hey, Innovation subscribers! Simply Ingredients (USA) is offer a 15% off coupon for September 2025!

A brown glass bottle with a label "ximenia seed oil" sits on a brown table top. Beside it, a cup of clear, slightly yellow liquid, which is the oil.

Oh wow, we are in for such a treat! Simply Ingredients (USA) is offering 15% off your cart for the month of September 2025! Holy cow! What can you find over there? So many of my all-time favourites, and some I haven’t shared with you yet. Ximenia seed oil (INCI: Ximenia Americana Seed Oil) is...

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Hey, Innovation subscribers! Formulator Sample Shop (USA) has a discount coupon for you!

Woo hoo! Formulator Sample Shop (USA) has very kindly offered Innovation level subscribers a 10% your entire offer coupon code – one time only – for your level! Here are the details! We are happy to continue offering the code to your customers! 10% off entire order No minimum purchase required One time use per...

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Hey Innovation subscribers! There’s a $30 coupon for you here! (It’s not too late to upgrade any subscription to get it for August!)

Collage of e-books with conditioner information and formulas

I’m sorry, but I just couldn’t get an e-book out this month. I have at four e-books on the go along with three series here on the site – one you’ll meet next week – and I ran out of time to complete one of them. They’re huge – really, far too large, but I...

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Chemistry Thursday: Esters we use as emollients (overview), part 31

Welcome back to this introduction to cosmetic chemistry course! We’ve had great fun for the last few months looking at carboxylic acids as fatty acids, but it’s time to meet some esters! Woo hoo! I’m trying to make this post shorter than the previous ones as I know it can be a lot. An important...

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Let’s make a 10 minute super moisturizing rinse-off conditioner with all kinds of humectants, botanicals, conditioners, proteins, and more: Part six – adding butters!

Butters measured into a Pyrex jug, sitting on the metal plate of a digital scale. For decorative purposes.

Let’s create an awesome conditioner into which we can add all kinds of wonderful ingredients, including the awesome new-to-us humectant XYLISHINE™ (INCI: Xylitylglucoside (and) Anhydroxylitol (and) Maltitol (and) Xylitol (and) Pelvetia Canaliculata Extract). In part one, we looked at what a conditioner is, why we’d use certain ingredients, chose our conditioning emulsifier, then we created...

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