FREE STANDARD SHIPPING AND FREE SAMPLE FOR ALL DOMESTIC ORDERS OVER $50

LÉ Blog

Retinal Vs Retinol

Retinal vs. Retinol: What Is Best For You

Skincare can feel confusing when two ingredients sound almost identical. Retinol and retinal show up on labels all the time, and the difference between them can shape your timeline to results long term. These two forms of vitamin A each work to improve skin texture, tone, and visible signs of aging. However, they do so in slightly different ways, and these differences can impact how your skin responds. If you've been wondering which one is stronger, which one is gentler, or which one is the b...

Read more

How To Repair A Damaged Skin Barrier: Science-Based

If your skin feels tight, looks red, flakes easily, or suddenly stings when you apply products that used to feel comfortable, your skin barrier may be under stress. A damaged skin barrier does not always show up dramatically. Often, it appears as low-grade irritation that lingers longer than expected. Skin barrier damage can happen to anyone with any skin type. You do not need an overly complicated routine or aggressive treatments for things to go sideways. Over-exfoliation, too many strong a...

Read more

How To Shrink Pores: A Skin Chemist’s Recommendation

Let’s be honest. Few things are more distracting than leaning into the mirror and noticing your pores looking extra visible, especially around the nose and cheeks. If you’ve ever wondered why they seem more noticeable some days than others, visible pores are one of the most common skincare concerns, and the advice online can escalate quickly from helpful to wildly unrealistic. Here’s the grounding truth: Pores are not a flaw. They’re essential structures that release oil and sweat and help ma...

Read more

Skincare Routine For Men: What Experts Recommend

Skincare isn’t gendered; skin is skin. But let’s be honest: walk down any beauty aisle or scroll through your feed, and a skincare routine for men is still treated like an afterthought. What exists is either overly stripped down (“just soap, bro”) or drenched in heavy cologne that always smells like a tree and generally vague promises. Hence this guide. We’re not here to make sweeping claims or sell you a miracle in a bottle. Instead, we’re here to break down what a men’s skincare routine act...

Read more

Order 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 more

The Best Cleansing Secrets Every Person With Oily Skin Should Know

If you’ve got oily skin, you know the struggle is real: that midday shine, the clogged pores, the makeup slide. But before you declare war on your face with every mattifying product you can find, let’s take a beat. Oily skin isn’t the enemy; it just needs a smarter strategy. The truth is, how you cleanse sets the tone for everything that follows. And with the right ingredients, techniques, and routine, you can treat your skin without stripping it or triggering even more oil. So, let’s break d...

Read more

Why Your Oily Skin Will Thank You For Switching To A Water Gel Moisturizer

If your skin turns into a slip-and-slide by noon, we hear you. Oily skin needs hydration just as much as dry skin does, but the wrong kind of moisturizer can tip things into greasy territory fast. That’s where water gel moisturizers come in. Lightweight, oil-free, and packed with hydration, these formulas offer a refreshing alternative to thick creams that might leave your pores feeling smothered. In this post, we’re diving into why water gel moisturizers are a smart swap for oily skin and ho...

Read more

What is combination skin?

All of us have had to watch a commercial in which a smiling model applies a single product to their already-perfect skin? But you know this. We know this. Skincare commercials can definitely be fake news! There’s no magic cure-all formula that will be perfect for every inch of every single person’s face. More importantly, our skin is a dynamic creature, both person-to-person and zone-to-zone. In fact, most of us will experience skin change and experience different skin types in our lifetime. ...

Read more

The Chemists' Oily Skin Routine Guide

When you’re dealing with oily skin, it can end up feeling like a constant battle. Managing the shiny T-zone, worrying about breakouts, and feeling frustrated trying out new products is so common and can be a lot to deal with. However, understanding the biology behind oily skin and implementing a science-based, tailored skincare routine can help manage all your oily skin woes. So let’s delve into the root cause of oily skin, the essentials of your daily and weekly skincare routine goals, and w...

Read more

Mandelic Acid - Should You Choose It Over Salicylic Acid or Glycolic Acid?

Glycolic acid and lactic acid have long been the gold standard chemical exfoliants with strong proven track records in anti-aging and hyperpigmentation skincare routines. But a newer option, mandelic acid, can be worth considering. As cosmetic chemists, we cut through the hype to analyze the clinical evidence on this lesser known AHA. In this comprehensive guide, we decode the specific benefits of mandelic acid, compare its efficacy against classics like salicylic and glycolic acid, and expla...

Read more

Get to Know Your Oily Skin!

The Good, the Bad, the So Shiny! To be fair, the label of “dry” and “oily” tend to be pretty broad sweeping statements. There’s a lot of nuances within each that factor in such as the climate, acne or no acne, sensitivity, etc. But this is definitely one of the first angles to look at when you're just starting to shape your routine to your specific skin needs even before getting into tackling skin concerns like acne, hyperpigmentation, wrinkles, etc. So let’s take a closer look at the biology...

Read more
Shop All Products

We’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