Vitamin A (also known as retinol, Retin-A, renova, retinyl palmitate, tretinoin, ETC) is not only an excellent antioxidant, it is also cell-communicating (talks to your skin cells). When an antioxidant is cell-communicating, such as Vitamin A, it means that it helps your cells create healthier skin cells and increase the amount of support tissues like collagen and/or elastin. The body lacks the ability to produce Vitamin A, so it is important to gain Vitamin A through foods and skin care products. Vitamin A products are most recommended to individuals that have damaged skin. It is very important to make sure that Vitamin A is packaged correctly; otherwise, the product could be no good. The product should be in a closed, dark colored container. If sunlight penetrates the product it can promote problems with its efficacy. When using Vitamin A based products it is very important that you use a sunscreen daily. When using exfoliating products it makes your skin more susceptible to sun damage. Also, the sun depletes the skin of Vitamin A, which can cause sunbathers to age faster. Some people will experience irritation from using Vitamin A products for the first time, which is completely normal. To make the best experience, start out using a Vitamin A based product 1 to 2 times weekly and gradually work your way up to 5 to 7 days a week. Here are a few recommendations of Vitamin A based products: – SkinCeuticals Retinol 1.0 – Topix Replenix All Trans Retinol Smoothing Serum 3X – SkinMedica Retinol Complex 1.0 You can find the products mentioned above on SkinStore.com.