Question: Does glycerin draw water from your skin when the humidity is low?

I’m still on a quest to figure out the answer to this question…so let’s review information I’ve found so far. What is a humectant? “Humectancy or hygroscopy is the tendency of a substance to attract water from the surroundings by absorption and adsorption at defined conditions (temperature, humidity).” (page 26, this review). Is glycerin a … Read more

Chemistry Thursday (on a Monday!): Electrolytes

What are electrolytes? (And are they really what plants crave?) “An electrolyte is any substance containing free ions that make the substance electrically conductive. The most typical electrolyte is an ionic solution, but molten electrolytes and solid electrolytes are also possible. Commonly, electrolytes are solutions of acids, bases or salts.” (From Wikipedia). In other words, when you … Read more

Substitutions: Playing around with a basic recipe

As I mentioned in yesterday’s post on substitutions, I simply can’t make a substitutions list because substituting one ingredient for another is a matter of personal preference and context. There are some ingredients you can’t leave out – for instance, you must have an emulsifier in a lotion and no water containing product should ever … Read more