Sunscreen is a crucial component of skincare routines, providing protection against harmful UV radiation. Over the years, advancements have been made to enhance the effectiveness of sunscreens. One such innovation is the addition of polyglutamic acid (PGA). This article will explore the benefits of

The polyglutamic acid molecule has been known for more than 80 years. But researchers continue to explore its many potential benefits.The study shows that polyglutamic acid is composed of chains of the amino acid glutamic acid and is produced by several Bacillus bacteria through fermentation.