Month: July 2009

Packaging: Choosing the right container based on ingredients (updated)

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So you’ve chosen a shape, but have you considered the composition of your bottle? We have tons of different plastics to choose from, but each has their advantage. Most of these can’t be filled at over 160F, but we aren’t going to be bottling anything that warm, are we? HDPE: High density polyethylene – Good...

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Packaging: Choosing the right container (updated)

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With so much to choose from, how do you choose the right bottle or jar for your products? Consider a few things before choosing a container… 1. Cost: If you need 1 or 2 containers, then a penny here or there isn’t going to make a huge difference. But if you need 100, 5 cents...

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Cetyl alcohol vs. stearic acid

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I feel like the subtitle to this post should be “two go in, one comes out, it’s a battle to the death!” These two are always compared to each other because they serve the same function in lotion making – they offer co-emulsification, they increase viscosity, and they act as fatty ingredients to add to...

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Better crafting through chemistry: Cetyl alcohol

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Cetyl alcohol! This short chain, saturated, fatty alcohol imparts an emollient feel to our lotions and creams and works with our cationic quaternary compounds to super-charge our conditioners. Compare the cetyl alcohol molecule to the stearic acid molecule. It has 16 carbons (stearic has 18) and it has an OH (oxygen-hydrogen or hydroxy group) whereas...

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Mineral make-up: Part 17 – Browns

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Browns, to me, are as essential to my make-up kit as black and white. They are a great neutral colour you can use as a base colour or a liner, in addition to your main eye shadow. (And they look great with pinks!) Basic brown3/4 tsp basic eye shadow base5 scoops brown umber iron oxide1/2...

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