Tested Beyond Standards.
Trusted by Skin.
Our commitment to clinical rigor includes hundreds of thousands of hours of testing to ensure each product is supported by robust data and delivers measurable, reliable results for specific skin concerns.
This approach guides our formulation, validation, and refinement— so you can trust every formula we create.
Comprehensively Tested for Safety + Performance
We rigorously evaluate safety and efficacy through internal testing and independent laboratories, including clinical specialists and dermatologists.
Our formulas are validated for long-term stability without compromising efficacy, with additional testing for sensitive skin and dermatologist review on select products.
Third Party Clinical Studies
Most scientifically robust type of study we conduct through an accredited third-party clinical research site. Selected specific population of subjects (e.g. sensitive skin), done under controlled conditions.
These clinical studies typically include multiple types of measurements or assessment including instrumental measurements, clinical expert grading, or subject self-assessment.
Third Party Consumer Perception Studies
Study conducted through an accredited third-party clinical research site, where participants use the product and then answer a questionnaire rating the product benefits.
This captures a consumer’s experience with a product. For example, "97% of participants reported that their skin looked brighter."
In-House Consumer Studies
Study conducted using Erno Laszlo customers where participants use the product and then answer a questionnaire rating the product benefits.
Provides valuable feedback on a product from loyal Erno Laszlo customers.
Third Party Clinical Studies
Most scientifically robust type of study we conduct through an accredited third-party clinical research site. Selected specific population of subjects (e.g. sensitive skin), done under controlled conditions.
These clinical studies typically include multiple types of measurements or assessment including instrumental measurements, clinical expert grading, or subject self-assessment.
Third Party Consumer Perception Studies
Study conducted through an accredited third-party clinical research site, where participants use the product and then answer a questionnaire rating the product benefits.
This captures a consumer’s experience with a product. For example, "97% of participants reported that their skin looked brighter."
In-House Consumer Studies
Study conducted using Erno Laszlo customers where participants use the product and then answer a questionnaire rating the product benefits.
Provides valuable feedback on a product from loyal Erno Laszlo customers.
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