
During the last 50 years I have been involved with the esthetic sciences. I have seen very few real “breakthroughs” and have been involved in a couple. Everything else, despite claims of new ingredients, has already been there all along.
During the last 50 years I have been involved with the esthetic sciences. I have seen very few real “breakthroughs” and have been involved in a couple. Everything else, despite claims of new ingredients, has already been there all along.