Why are preservatives considered a “necessary evil”?

Surfing around the ‘net the last few days, I keep coming upon people commenting that “Preservatives are a necessary evil…” or “I don’t like preservatives, but I’m using them…” (I guess I should be happy you’re using them!) What’s not to like? Preservatives make it possible for us to make lotions that last longer than a week. … Read more

A few thoughts about conditioners for an extremely warm Monday in February…

If you are making rinse off or leave in conditioners, you want to use an emulsifier that is positively charged or cationic. This means using ingredients like Polawax, polysorbate 20, PEG-40 hydrogenated castor oil or Caprol Micro Express as the main ingredient isn’t the best idea. Why? We use positively charged or cationic ingredients in … Read more