The Retinol Serum is an innovative product containing a form of Vitamin A, known for its exceptional ability to improve skin texture and health, as well as its role in firming the skin. This serum from O’shea is developed using natural ingredients that provide you with renewed youth and radiant beauty. Active Ingredients: 1% Retinol (Vitamin A) Hyaluronic Acid Benefits of Retinol Serum: Reduces wrinkles and fine lines Diminishes pigmentation Decreases oiliness and reduces acne.