1 / 15antioxidant serum
C E Ferulic® with 15% L-Ascorbic Acid
with 15% L-Ascorbic Acid + Ferulic Acid + Vitamin E
$135.00
— $4.50 / mlIn Stock
The gold standard in vitamin C skincare. C E Ferulic® combines 15% pure L-Ascorbic Acid — the only form of vitamin C clinically proven to penetrate the dermis — with 1% Vitamin E and 0.5% Ferulic Acid. Together, this triple-antioxidant complex delivers up to 8× greater photoprotection than vitamin C alone, neutralizes free radicals, visibly brightens hyperpigmentation, and reduces the appearance of fine lines and wrinkles with consistent daily use.
Key Ingredients
Recommended For
What Is C E Ferulic® and Why Does It Work?
C E Ferulic® is a daytime antioxidant serum built on a synergistic trio of ingredients that scientists have studied for decades. At its core is L-Ascorbic Acid (LAA) — the pure, biologically active form of vitamin C that the human body can actually use. At a concentration of 15%, this serum delivers the optimal therapeutic dose: high enough to produce measurable results, yet formulated at a pH of 2.5–3.0 to ensure maximum skin absorption and stability.
What makes C E Ferulic® exceptional is not the vitamin C alone, but the synergy. When L-Ascorbic Acid is combined with Vitamin E (alpha-tocopherol) and Ferulic Acid, research shows the photoprotective effect multiplies eightfold compared to vitamin C in isolation. Ferulic Acid also dramatically improves the chemical stability of both vitamins C and E, extending the serum's active shelf life and ensuring every drop you apply is working at full potency.
Daily use provides broad-spectrum antioxidant defense against free radical damage caused by UV radiation, visible light, infrared radiation, and airborne pollution — damage that sunscreen alone cannot block. Over time, consistent use visibly brightens uneven skin tone, fades dark spots and hyperpigmentation, softens the look of fine lines and wrinkles, and improves overall firmness by stimulating collagen synthesis.
Key Ingredients & What Each One Does
L-Ascorbic Acid
15% concentration · Pure Vitamin C
The gold-standard form of vitamin C in dermatology. L-Ascorbic Acid is the only form of vitamin C that is biologically active in human skin. At 15%, it neutralizes free radicals generated by UV rays and pollution, inhibits melanin production to fade dark spots and hyperpigmentation, and directly stimulates collagen and elastin synthesis. Formulated at pH 2.5–3.0 for optimal dermal penetration.
Ferulic Acid
0.5% concentration · Antioxidant Stabilizer
A plant-derived polyphenol antioxidant found naturally in the cell walls of grains and seeds. Ferulic Acid plays two critical roles in this formula: it is itself a potent free radical scavenger, and it dramatically stabilizes both L-Ascorbic Acid and Vitamin E against photo-oxidation — the chemical degradation that turns vitamin C products yellow or brown and renders them ineffective.
Vitamin E
1% Alpha-Tocopherol · Antioxidant & Barrier Support
Alpha-tocopherol is the most biologically active form of vitamin E — a fat-soluble antioxidant that works in tandem with the water-soluble vitamin C to provide broader free radical coverage across both the lipid and aqueous environments of the skin. Vitamin E reinforces the skin's natural moisture barrier and helps soothe irritation.
Hyaluronic Acid
Multi-weight · Hydration & Plumping
A naturally occurring polysaccharide capable of holding up to 1,000× its weight in water. Included in C E Ferulic® to counterbalance the low-pH environment required for vitamin C stability, it immediately hydrates the surface layers of skin, improves the appearance of fine lines by plumping the epidermis, and helps deliver a smooth, non-greasy finish.
How to Use
Cleanse
Apply to clean, dry skin every morning. For best absorption, use after a gentle pH-balancing cleanser. Pat skin dry and wait 30 seconds before applying the serum.
Apply Serum
Dispense 3–5 drops into your palm. Using fingertips, gently press and smooth onto your face, neck, and décolleté. Avoid direct eye contact. Allow 60–90 seconds to absorb fully.
Moisturize
Follow with your preferred moisturizer. The serum's lightweight texture layers easily under heavier hydrating formulas without pilling or creating a barrier.
Apply SPF
Always finish with a broad-spectrum SPF 30 or higher. While C E Ferulic® amplifies your sun protection, it is not a substitute for sunscreen. Combining the two maximizes antioxidant and UV defense.
Suitable Skin Types
C E Ferulic® is formulated to perform across the full spectrum of skin types. Its water-based, oil-free formula absorbs quickly without clogging pores, making it suitable for oily and acne-prone skin. The addition of Hyaluronic Acid and the balanced pH provide enough comfort for dry and sensitive skin types.
*Introduce gradually if skin is reactive to low-pH formulas.
Skin Concerns It Addresses
Backed by clinical data, this serum is proven to target multiple visible signs of aging and photoaging simultaneously. Unlike single-ingredient brightening products, C E Ferulic® works across multiple biological pathways — antioxidant neutralization, melanin inhibition, collagen synthesis, and barrier protection.
The Science Behind the Formula
Why this specific combination of ingredients produces results that no single ingredient can achieve alone.
Synergistic Antioxidant Effect
A landmark study by Lin et al. (2003) demonstrated that combining L-Ascorbic Acid, Vitamin E, and Ferulic Acid produces a photoprotective effect 8× greater than vitamin C alone. The three antioxidants operate through complementary mechanisms — vitamin C works in the aqueous phase, while vitamin E works in the membrane phase. Ferulic Acid bridges both environments while stabilizing and regenerating the other two.
Collagen Stimulation Pathway
L-Ascorbic Acid is an essential co-factor for prolyl and lysyl hydroxylase — the enzymes responsible for cross-linking collagen fibers in the dermis. Without adequate vitamin C, collagen synthesis is impaired. By delivering a consistent, high-concentration dose to the dermis daily, C E Ferulic® directly supports structural rebuilding that reduces wrinkle depth and improves skin firmness over 8–12 weeks.
Melanin Inhibition & Brightening
L-Ascorbic Acid inhibits tyrosinase — the key enzyme in the melanin biosynthesis pathway — reducing excess pigment production at the source. Unlike exfoliating acids that only remove surface pigment, vitamin C works at the cellular level to prevent new hyperpigmentation from forming, while gradually fading existing dark spots.
How C E Ferulic® Compares to Other Vitamin C Serums
Not all vitamin C serums are created equal. Here's what sets this formulation apart from alternatives on the market.
| Feature | C E Ferulic® | Standard Vit C Serums | Vitamin C Derivatives |
|---|---|---|---|
| Active vitamin C form | Pure L-Ascorbic Acid (most potent) | L-Ascorbic Acid (varies) | Derivative — must convert in skin |
| Clinical dose (15%) | ✓15% — optimal range | Often 10–20%, inconsistent | N/A (conversion reduces efficacy) |
| Antioxidant synergy | ✓Triple complex (C + E + Ferulic) | ✗Vitamin C only | Varies |
| Ferulic Acid stabilizer | ✓Prevents oxidation | ✗Typically absent | ✗Not needed for derivatives |
| Collagen stimulation | ✓Direct, proven | Moderate | Indirect — lower efficacy |
| Photoprotection boost | ✓8× vs. vitamin C alone | Limited | Limited |
Frequently Asked Questions
Everything you need to know — answered directly and in detail.
C E Ferulic® is a multifunctional antioxidant serum that delivers five core skin benefits with daily use:
- Neutralizes free radicals — The triple antioxidant complex scavenges free radicals generated by UV radiation, pollution, blue light, and infrared radiation.
- Visibly brightens skin tone — L-Ascorbic Acid inhibits tyrosinase to reduce excess melanin production, fading dark spots and hyperpigmentation.
- Smooths fine lines and wrinkles — Vitamin C stimulates new collagen and elastin production at a consistent 15% dose.
- Boosts photoprotection — This combination multiplies photoprotective efficacy 8× compared to vitamin C alone.
- Improves skin texture — Accelerated cell turnover, collagen remodeling, and reduced inflammation result in smoother skin.
Clinical studies show results within 4 weeks, with optimal outcomes after 8–12 weeks of daily morning use.
Apply every morning as the first active step after cleansing:
- Step 1 — Cleanse: Use a gentle, low-pH cleanser and pat skin completely dry.
- Step 2 — Apply serum: Dispense 3–5 drops and press gently onto the face, neck, and décolleté.
- Step 3 — Wait: Allow 60–90 seconds to fully absorb before next product.
- Step 4 — Moisturize: Apply your daily moisturizer to lock in hydration.
- Step 5 — SPF: Always follow with broad-spectrum SPF 30+.
Important: Use only in the morning. Do not layer with niacinamide in the same step. Store in a cool, dark place.
Formulated for all skin types including normal, dry, combination, and oily. The water-based, oil-free formula absorbs quickly without greasiness. Hyaluronic Acid provides hydration for dry skin even at the serum's low pH.
For sensitive skin: Introduce gradually — every other day for 2 weeks before daily use. Mild tingling is normal and typically subsides.
The premium reflects three factors:
- Stability: Ferulic Acid and low-pH formulation extend active potency — more vitamin C actually works on your skin.
- Synergy: The 15% C + 1% E + 0.5% Ferulic ratio is clinically validated to multiply photoprotective efficacy 8×.
- Bioavailability: Uses pure L-Ascorbic Acid directly, unlike derivatives that must convert inefficiently in skin.
A single bottle lasts approximately 3–4 months with daily use.
- Antioxidant protection: Immediate — works the moment you apply.
- Skin tone and radiance: Visible brightening within 2–4 weeks.
- Dark spots: Fading begins at 4–6 weeks, significant results at 8–12 weeks.
- Fine lines and firmness: Improvement at 8–12 weeks, continued improvement over 6 months.
Consistency is the most critical factor. Combine with SPF 30+ daily for fastest results.
- With SPF: Ideal pairing — apply serum first, then moisturizer, then SPF.
- With retinol: Use C E Ferulic® AM, retinol PM. Don't combine in the same step.
- With AHA/BHA: Alternate — exfoliants PM, vitamin C AM.
- With niacinamide: Use cautiously. Apply C E Ferulic® first and let it fully absorb before niacinamide.
- With peptides: Generally compatible in the same routine.
Yellowing or browning indicates oxidation — the L-Ascorbic Acid has degraded. C E Ferulic® is formulated with Ferulic Acid to slow this process. A fresh bottle is pale straw color; slight yellowing is normal. Discard if it turns distinctly orange or brown.
Store in a cool, dark place away from humidity and sunlight. Maintains full potency for 6 months after opening when stored correctly.
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