LÉ Blog
What Are Ceramides? Their Role In Strengthening And Protecting Your Skin
You’re standing in the skincare aisle, scanning labels, and there it is again: ceramides. They show up in moisturizers, serums, and creams of every kind, usually with big promises about being the must-have ingredient for barrier care. But what are ceramides, exactly? In short, ceramides are a group of lipid molecules that are naturally found in the skin’s lipid matrix. Acting as part of your skin’s frontline defense system: In contributing to the health of your lipid matrix, they help lock in...
Read more
What Is Retinol Purging? How To Identify And Manage Skin Reactions
Let’s set the record straight: Retinol purging isn’t your skin “rejecting” a product. It’s more like a sped-up reveal of breakouts that were already in your skin’s pipeline, triggered by the introduction of retinoids accelerate cell turnover. But not every flare-up is a purge. Sometimes, it’s just plain old irritation or a bad match. Being able to tell the difference helps you stick with the right plan or switch gears when needed. The chemists have spent years getting up close and personal wi...
Read moreIs Ethyl Ascorbic Acid a Worthy Vitamin C Derivative?
3-o-ethyl ascorbic acid, or “ethylated ascorbic acid” is a vitamin C derivative that’s risen quickly in the popularity ranks in recent years. But just because it’s a structural cousin of hte famed ascorbic acid doesn’t automatically mean that it’s going to delivery all those vitamin C skin benefits you’re looking for. So let’s break down the science - chemist style - and get the the bottom of just whether or not ethyl ascorbic acid is the stable, gentle, age-prevention superstar worthy of rep...
Read moreIs Ectoin the New Niacinamide?
When it comes to trending skincare ingredients, ectoin isn’t exactly a household name. But recently, this ingredient has caught the attention of many clinical skincare brands. It has many interesting properties, particularly for skin barrier support and hydration. In fact, the early data has some people touting that this may just be the “new age niacinamide”. So let’s dive into what ectoin is, what it actually does for the skin, whether or not it can be thought of as a niacinamide replacement...
Read moreWe’re Like a Translator For your Skin
Personalize your skincare routine with our modular products. Welcome to scientific skincare without the crazy markup and crazier claims.
Or, Use Our Routine Builder