LÉ Blog
Ceramide NP, AP, EOP: The Ultimate Guide to the Best Ceramides for Skin Barrier Repair
You might have heard that ceramides are essential to a healthy, strong skin barrier. But when you start skimming ingredient lists, you’ll soon encounter an alphabet soup of ingredients with similar-looking names like ceramide NP, ceramide AP, cramide EOP, etc. It can be pretty confusing! So in this blog, the chemists dive into what these letters all mean and if there’s a best one that you have to have in your skincare. Listen to the Ceramides Chat on the Chemist Confessions Podcast What are C...
Read moreMoisturizer With Ceramides: What The Science Shows
Ceramides are quietly doing some of the most important work within your skin barrier. These lipid molecules act as part of the “brick and mortar” structure that holds skin cells together, helping to lock in moisture and maintain a strong, healthy barrier against environmental stress. So when you see terms like moisturizer with ceramides, ceramides moisturizer, or face moisturizer with ceramides, they’re not just buzzwords. They’re backed by decades of skin biology research. That said, not all...
Read moreOrder Of Skincare: A Scientist’s Step-By-Step Guide
Understanding the order of skincare isn’t about chasing perfection; it’s about helping your products work smarter, not harder. The right skincare order supports absorption, minimizes irritation, and makes even a simple routine more effective. And yes, it applies whether you're using two steps or ten. We understand that with a growing lineup of skincare treatments, it’s easy to feel overwhelmed between cleansers, serums, and moisturizers. But with a little science and a lot of compassion, you ...
Read moreWhat To Look For In A Skin Barrier Cream That Actually Works
“Barrier repair” has become one of those phrases that gets tossed around a lot in skincare marketing, but not every skin barrier cream that slaps it on the label has the formula to back it up. If your skin’s been feeling more reactive, tight, or just off its game, chances are your barrier is calling for help. That’s where a skin barrier cream comes in—one designed with ingredients that do more than just sit on the surface. Every formula the chemists create starts with understanding the scienc...
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 morePDRN Skincare: Hype vs. Reality
New skincare science is as alluring as it is mysterious. It can often be hard to distinguish between hype and science. But worry not! Let the chemists dissect everything for you. Today, we’re tackling PDRNv—van ingredient that’s been making waves in the beauty world. But what exactly is PDRN, and does it deserve a spot in your routine? Let’s break it down. What is PDRN? PDRN, or polydeoxyribonucleotide, are simply DNA fragments ranging from 50 to 1500 kDa. The concept of using PDRN for therap...
Read moreDehydrated Skin vs. Dry Skin: what is the difference and how to treat?
We polled everyone on Instagram on their top dry skin questions, and one of the most common questions we got was “just what is the difference between dehydrated and dry skin?” In a similar vein, people also wanted to know just what kind of skin deficiencies causes dry skin – lack water or oil? Understanding just what kind of dry skin you have and what your skin need can be the difference between an effective moisturizing routine and an endless loop of frustration. So in this blog post, let’s ...
Read moreGlycerin - Is it the BEST humectant hydrator for skin?
Is Glycerin Secretly the BEST hydrator for your skin? The world is never short of glitzy new ingredients that promise you your dewiest self. In the humectants category (water-loving ingredients that hydrate your skin), you may have heard of hyaluronic acid, snail mucin, or other exotic seaweed extracts. These ingredients usually come with impressive claims (ie. “holds up to 1000x its weight in water!”) or exotic origin stories with extra skin benefits (filled with 57819473 amino acids and min...
Read moreCeramides - What exactly do they do for skin?
“Skin barrier care” seems to be one of the top skincare trends in recent years, and ceramides are the ingredients that are often associated with this trend. But this has also created a lot of confusion around just what ceramides are and what do they really do for your skin topically. In this in-depth guide, we’ll discuss what they are, what ceramides do for skin topically, decipher the types of ceramides you might find in your products, which skin types can benefit from them, and how to shop ...
Read moreChemists' Guide to Patch Testing Skincare at Home
One of the main “Chemists’ Skincare Commandments” we tout is that with any new product, we all should patch test, patch test, patch test! We know all too well that the skincare industry is never short of new, exciting, glitzy products to add to our skincare routine. As we integrate new products into our daily routines, the importance of understanding how skin reacts cannot be overstated. There are so many of us (yes, that’s us included) can get carried away, and if you’re not careful, you mig...
Read moreThe Chemists' Occlusives Guide - Should You Be Slugging?
In the past couple of years, “slugging” has become one of the biggest social media skincare trends that seemingly is here to stay. The term has been coined by the interwebs as the process of masking your entire face with an occlusive balm to seal in your moisturizer step for optimal hydration. While the method of slugging might not be for every skin type, the operative word here is occlusive. Occlusives are a fundamental category of moisturizing ingredients that are an essential component to ...
Read moreWe’re Like a Translator For your Skin
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