Plant-based cosmeceuticals are growing in popularity across the globe. The use of plant extracts and herbs dates back to antiquity. Plant extracts are often considered safe, due to their natural origin. Plants contain a wide range of organic chemicals, including terpenoids, alkaloids, flavonoids, tannins, and proanthocyanidins, which are responsible for the effects exhibited by herbal products.
The skin is frequently exposed to harsh environmental factors such as pollution and UV radiation. These produce a large number of strong oxidants, which degrade the biological skin cell membranes. Photoageing refers to the alterations caused by prolonged sun exposure. A wide range of plant extracts can prevent UVB-induced photodamage by reducing the activity of enzymes involved in tissue breakdown. Plants contain a wide range of organic chemicals, including terpenoids, alkaloids, flavonoids, tannins, and proanthocyanidins, which are responsible for the effects exhibited by herbal products. Many herbs and plant extracts can delay the breakdown of the skin matrix. Some plants include phytoestrogens and saponosides, which can promote skin firmness and elasticity.
