The Peter Thomas Roth Retinol Fusion PM Night Serum is a powerful anti-aging skincare product formulated to combat signs of aging, wrinkles, and age-defying concerns. This 0.4 fl oz sealed serum is suitable for all skin types and contains retinol for enhanced effectiveness. Designed for nightly use, this product is perfect for those looking to improve the appearance of their skin while targeting specific aging issues. Made in the United States, this unisex travel-sized formula includes ingredients like water and squalane to provide deep hydration and nourishment for the face.