Ultra Pure High-Potency 5.0% Niacinamide Serum

Kiehl’s is the leading apothecary skincare brand that is known for its innovative, paraben-free formulas and the use of cutting-edge ingredients. The brand was among the first companies to enlist ingredients on product labels to help customers make an informed decision. For over 170 years, Kiehl’s has been creating nature-inspired, scientifically-proven formulas that improve your skin quality and appearance. Its wide range of skincare products includes facial creams, moisturizers, sunscreens, anti-aging serums, and cleansers. Some of the popular ones are Ultra Facial Moisturizer, Calendula Deep Cleansing Foaming Face Wash, and Lip Balm #1. The skincare label uses recycled materials for the packaging and is committed to sustainability.