Nightly Refining Micro-Peel Concentrate Serum

Helps exfoliate skin overnight to reveal visibly refreshed and radiant skinDemonstrated to help accelerate skin cell turnover in a clinical study*Visibly evens skin tone and refines the feel of rough texture over time**Dermatologist-tested for safetySafe for nightly use on all skin types, including sensitive skin*Based on instrumental test within surface layers. **Results based upon expert grading in a dermatologist-controlled clinical study. 

QUINOA HUSK EXTRACT Quinoa Husk Extract is sustainably sourced from the protective outer shell of the Quinoa seed without chemical alteration and with minimal environmental impact. Within our formula, it acts as an exfoliant to help release dull skin. PHYTIC ACID Sourced from Japan, our Phytic Acid is derived from Rice Bran. Within our formulas, it acts as an exfoliant to help reveal smoother and softer skin. See full list

After cleansing and toning, apply several drops of our facial peel formula to fingertips Press concentrate into face until absorbed Follow with a concentrated serum and your nightly moisturizer For overnight use Discover our other restorative formulas including our hydrating serum and nighttime facial oil to replenish skin

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 102 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;}