Research shows prickly pear extract has antioxidant properties and can also stimulate collagen production on sun-damaged skin, thanks to its ferulic acid content.

Aquacacteen
An ultra refined elixir from prickly pear (Opuntia ficus-indica), aquacacteen is claimed to be high in flavones, vitamins, and antioxidants and minerals as well as having a high content of water-binding compounds. It is claimed to be very soothing to the skin.

Cactus flower extract

Cactus flower extract has anti-inflammatory and astringent properties, as it contains antioxidants and is said to be moisturizing.

Sources
http://www.ncbi.nlm.nih.gov/pubmed/23730555
http://www.ncbi.nlm.nih.gov/pubmed/24446110