Technical Datasheet | Supplied by I.R.A. Istituto Ricerche Applicatein-cosmetics global 2019 Polysorbate 20 (and) Water (and) Hydroxypropyl Cyclodextrin (and) Caprylic /Capric Triglyceride (and) Retinol. Cyclosystem Complex Retinol 33,000 IU/g by Istituto Ricerche Applicate acts as an antioxidant, anti-aging, protective, moisturizing and nourishing agent. It is a preservative-free, biotechnological product obtained from plant raw materials. Recommended for use in anti-aging, sun care and after-sun products.