Powerful-Strength Vitamin C Serum

A Vitamin C serum that boosts radiance, helps firm skin and visibly diminishes fine lines, wrinkles and pores for smoother-looking skin. Formulated with 10.5% L-Ascorbic Acid and renewable 2% Ascorbyl Glucoside plus Hyaluronic Acid, this patented, water-free concentrate is a Kiehl’s customer favorite. Paraben-free, alcohol-free, mineral oil-free, and dye-free.

Helps visibly reduce lines and wrinkles while helping firm skin over time Smoothes skin’s texture and helps visibly minimize the appearance of pores Antioxidant Pure Vitamin C penetrates skin’s deeper surface layers and remains effective in skin for up to 6 days Provides visible results in just 2 weeks Dermatologist-tested for safetyFormulated for all skin types, including sensitive skinMade with Recyclable PackagingTSA Approved 

PURE VITAMIN C L-Ascorbic Acid, also known as Pure Vitamin C, is a highly efficacious antioxidant known for its ability to improve the appearance of skin aging. In addition to antioxidant protection, Pure Vitamin C is known to help boost radiance, improve texture and visibly reduce the appearance of lines, wrinkles and other signs of aging. VITAMIN Cg Vitamin Cg, or Ascorbyl Glucoside, is a Vitamin C derivative that activates once absorbed into the upper layers of the skin’s surface. With antioxidant benefits, this form of Vitamin C is frequently used in anti-wrinkle skincare products to help reduce facial lines over time. The form of Vitamin C within our formula is synthesized via green science, making it a renewable ingredient. FRAGMENTED HYALURONIC ACID This fast-absorbing form of Hyaluronic Acid acts like a sponge and draws moisture into skin’s surface layers and expands as it absorbs. Hyaluronic Acid is known to help smooth and plump and is commonly used in skincare products intended to visibly reduce facial lines and refine texture. See full list

After cleansing, apply two pumps of Vitamin C serum over entire face, avoiding the eye area As it blends into skin, you may experience a feeling of warmth as the formula activates Avoid the eye area; in case of contact with eyes, rinse them immediately Discover our other anti-aging formulas like our nighttime facial oil and our micro-dose anti-aging retinol serum.When to UseApply morning and night, after cleansing and toning and before your moisturizer

As part of our Kiehl’s Mission Renewal journey, we are providing the Environmental Impact Score to help you make informed decisions about the formulas you use. Kiehl’s is committed to continually improving the impact of our products throughout the product lifecycle, including the production and usage phase. This tool is designed to help assess the relative environmental and social impact of Kiehl’s Products compared to other L’Oréal Group products in the same category in 2020. The calculation method was developed with the help of independent scientific experts and Bureau Veritas Certification, an independent auditor. The score takes into account 14 environmental impact factors all along the product's life cycle. Learn more about the methodology, here. Overall environmental impactCompared to other similar L’Oréal Groupe Products sold worldwide in 2020 Carbon footprint 1g per average amount used 119 per 10mL Water footprint 2 per average amount used Every consumer product has some impact on the environment. A good score here does not mean a product has a positive impact or no impact on the environment. The letters and colors used in this tool are designed to help you make comparisons to other L’Oreal Groupe products in the same category around the world in 2020, so you can make more informed choices. This product currently has a less favorable impact than we aim for, so we have set out an action plan to improve its environmental and social performance over the coming months. The letters and colors used in this tool are designed to help you make comparisons to other similar products in L'Oréal's global portfolio, so you can make more informed choices.*Compared to other similar L’Oréal Groupe Products sold worldwide in 2020 see full information see less information .Manufacturing ConditionsMade in a responsible manufacturing plant Waste recovery: 97% Renewable energy: >99%Packaging Facts % of cardboard/paper certified FSCTM or PEFC: 100% made of recycled material3 including colorant: 0% Refillable or reusable: NSocial impact of the product​ The ingredients and components of this product are sourced from suppliers committed to respect the Fundamental principles of the UN on labor standards. 1 or more suppliers committed to the social inclusion of people from vulnerable communities contributed to making this product.*123Learn More.h-hide-for-D.h-score-D { display:none !important;}.h-hide-for-E.h-score-E { display:none !important;}.h-hide-for-A.h-score-A { display:none !important;}.h-hide-for-B.h-score-B { display:none !important;}.h-hide-for-C.h-score-C { display:none !important;}.h-suppliers-0.h-hide-for-0 { display:none !important;}