The pH of Skin

The pH of Skin

The surface of human skin has a naturally acidic pH in the range from 4-6, probably averaging 4.7. This acidic nature of skin is called the acid mantle and is vital for the proper functioning of skin. The low pH helps to protect the skin from bacterial infection,...

What is the Best Preservative?

I repeatedly get asked “what is the best preservative to use in my natural product?” so I thought I’d address it here. Basically, there is no ‘best’ preservative and preservatives will behave differently in different formulations. So, unfortunately, there is no way to...

Microbiology & Cosmetics

Many people do not realize that any cosmetic product that is good for your skin is also a good breeding ground for microorganisms; bacteria and fungus. The reason they are called ‘microorganisms’ is because they are so small that they cannot be seen with the naked...

New Bacteria Found in Toiletries

If you are a small (or large) producer of skin care or toiletries products here are examples of why it is important to test cosmetic samples for the presence of bacteria and fungus.Researchers in Japan recently identified a new species of bacteria that was isolated...