We Don't Sell Hope.
We Formulate Results.

One ceramide skincare serum. Built around stable Vitamin C, Vitamin E, Hyaluronic Acid and barrier-supporting Ceramide 3 — at concentrations chosen to do more than simply look good on a label.

Built on Ceramide 3. At Functional Concentrations.

Most serums list active ingredients on the label. The position of each ingredient in the INCI list reflects its approximate concentration — and that number matters.

That’s why we built The Serum C+E, on Ceramide 3 at a functional concentration to help support your skin barrier — so the Vitamin C and Vitamin E can do their job.

The Serum C+E amber bottle flat lay with eucalyptus and linen

The Serum C+E

A Ceramide Skincare Serum

10% Stable Vitamin C (SAP) — designed to stay stable. 
Ceramide 3 at a functional concentration.

Niacinamide, Alpha Arbutin, Hyaluronic Acid, Centella Asiatica, Panthenol and Vitamin E.

Eight targeted ingredients. One formula built to perform.

Your Barrier Needs Structure,
Not Just Moisture From Any Ceramide Skincare Serum

Most moisturizers focus on adding moisture to the surface of your skin.

Ceramide 3 supports the lipid structure that helps hold your skin barrier together.

When your barrier is supported, your skin is better equipped to retain moisture and tolerate the active ingredients in your routine. Explore all 30 skincare ingredients we use and why.

Illuminated skin cross-section with ceramide lipid barrier layers and serum absorption

Clean. Effective. Thoughtful.

No Fragrance
Gluten-Free
Soy-Free
Paraben-Free
Cruelty-Free

Vitamin C That Stays Effective Until the Last Drop

L-Ascorbic Acid

SAP — What We Use

Rebuilt for Better Results.
Not Just a New Label.

The 2026 formula is more than an update. We revisited every ingredient, strengthened the barrier-supporting core of the formula and added two complementary actives chosen to support calmer, more resilient-looking skin.

Three Simple Steps. Morning and Night.

1. Cleanse

Start with freshly cleansed skin and gently pat dry.

2. Apply

Apply 2–3 drops to your face and neck. Gently press into the skin.

3. Protect

Follow with moisturizer. In the morning, finish with broad-spectrum SPF.

What We Leave Out Matters Too

Most formulas add ingredients for appearance or marketing.
We focus on what serves the formula and leave out what doesn't.
No Added Fragrance
No added scent competing with the formula.
No Parabens
A modern formula designed without parabens.
No Sulfates
No sulfate-based ingredients added to the formula.
No Silicones
No silicone-based ingredients used for a temporary surface effect.
No Added Dyes
The formula doesn't need artificial color to perform.
No Unnecessary Fillers
We focus on ingredients that contribute to the formula.
The Serum C+E amber glass dropper bottle by St.GABRIEL's, dramatic low-angle editorial shot

Your Skin. Your Concern. One Standard.

One formula. One standard.

The Serum C+E is built around Ceramide 3 at a functional concentration, with targeted actives chosen to support brighter, healthier-looking skin.

Your Barrier Comes First.
Everything Else Works Better After.

10% Stable Vitamin C. Ceramide 3. Eight functional ingredients.
One formula built to support your skin barrier first.

FROM THE BLOG

Skin Science. Explained Honestly.

SKIN SCIENCE

What Is a Ceramide — And Why Does Your Skin Actually Need One?

Ceramides make up 50% of your skin barrier’s lipid structure. Here’s what they actually do and why concentration matters.

SKIN BARRIER

7 Signs Your Skin Barrier Is Damaged (And What to Do About Each One)

Tight skin, stinging from products, unexplained breakouts. These are your skin barrier telling you something.

INGREDIENTS

Vitamin C in Your Serum: Why the Form Matters More Than the Percentage

10% Vitamin C sounds effective. But if it’s the wrong form or oxidized, you’re applying marketing, not skincare.

SKINCARE ROUTINE

How to Build a Skin Barrier Routine That Actually Works

A barrier routine doesn’t need 9 steps. It needs the right 4. Here’s how to structure one that actually works.

INGREDIENT SCIENCE

Ceramide 3 vs. Other Ceramides: What the Difference Actually Means

Ceramide NP, EOS, AP — not all ceramides are equal. Here’s what each type does and why Ceramide 3 matters most.

FORMULATION

Why Your Serum Isn't Working (And It's Probably Not the Ingredients)

You’re using a good serum consistently and seeing no results. The formula is probably fine. Here’s what’s actually failing.

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