Orlane Concentrated Retinol | Concentrated Retinol is a highly concentrated serum containing retinol, the most powerful anti-aging compound on the market. Over the years, skin loses its ability to renew cells, so this concentrate will help provide additional firmness and refine your complexion, improve texture, and treat blemishes. Concentrated Retinol provides a revitalizing effect on the skin and a comprehensive anti-aging action. The result? Firm, rejuvenated, and blemish-free skin.