Herbal Principles In Cosmetics ✭

Plants produce secondary metabolites that interact with human skin biology at a molecular level:

: Terpenoids found in essential oils can damage the cell walls of harmful microbes, serving as natural alternatives to synthetic preservatives. Key Herbal Ingredients & Their Uses Herbal Principles in Cosmetics

: Extracts like green algae ( Chlorella vulgaris ) inhibit metalloproteinases (enzymes that break down collagen) and stimulate new collagen synthesis. Herbal Principles in Cosmetics