The Olay Pro-X Deep Wrinkle Treatment is an advanced wrinkles treatment that was designed to penetrate deeply into the skin’s surface in order to deliver an impressive does of hydration. This serum features an easy, fine-point applicator which allows you to apply the serum to each and every wrinkle. The product is entirely fragrance-free, which is great for those of you with sensitive skin. Olay explains that the root causes of aging include dehydration at the skin’s surface, reduced skin surface turnover, skin damage and a compromised skin barrier. The hydration provided by Olay Pro-X Deep Wrinkle Treatment is essential for keeping the skin hydrated as well as reinforcing and maintaining a well functioning skin barrier.