Recent content by Dr Nicholas Sadgrove

I just want to add to the comment above. I'm a natural products chemist and I have noticed that companies don't always do us justice when selling us products. The types of extracts they use might not have been prepared using the method needed. Some methods will catch the important ingredients...

Generally, with scalp massages, everybody experiences a different outcome. Some people experience a benefit, so they are called "responders" and others may not. It is generally recommended that people combine their massage regime with other initiatives, depending on their choice. Some might use...

I think the correct term is "cosmetic grade DMSO. Some people like to use it. In pure chemistry we distinguish solvents according to a grading system, which is written on the bottle. For example, technical grade is used for non-biological purposes, whereas industrial grade might be considered an...