The OBAGI Clinical Vitamin C + Arbutin Brightening Serum is a high-quality anti-aging day treatment designed for all skin types. With a formulation that includes Vitamin C and antioxidants, this serum is perfect for targeting signs of aging on the neck and face. The 1 fl oz bottle ensures a regular size for easy usage, and the product is animal cruelty-free, making it a safe and ethical choice for women looking to improve their skin's brightness and overall appearance. Made in the United States by the reputable brand Obagi, this serum is sealed and ready for fast shipping.