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Brighten

Targets hyperpigmentation and uneven-looking tone.

Defend

Combines stable Vitamin C with botanical antioxidant support.

Calm

Azelaic Acid, Niacinamide and Sea Buckthorn support reactive-looking skin.

Formula focus

The actives behind the formula.

01Tetrahexyldecyl Ascorbate
02Sunflower Sprout Extract
03Azelaic Acid
04Sea Buckthorn Oil
05Niacinamide (B3)

Ingredient profile

Key ingredients.

Tetrahexyldecyl Ascorbate (THD)

A stable, oil-soluble vitamin C derivative, selected for brightening and antioxidant care.

Azelaic Acid

Supports a clearer-looking complexion and helps improve the appearance of uneven tone and texture.

Niacinamide (Vitamin B3)

Supports the moisture barrier and helps refine the appearance of pores.

Sunflower Sprout Extract

An antioxidant botanical included for environmental-stress care.

Seabuckthorn Oil

An omega-rich lipid that nourishes and supports skin comfort.

DISTILLED WATER, TETRAHEXYLDECYL ASCORBATE, HELIANTHUS ANNUUS (SUNFLOWER) SPROUT EXTRACT, SQUALANE, DIMETHYL ISOSORBIDE, PROPANEDIOL, NICOTINAMIDE, CETEARYL ALCOHOL, CAPRYLIC/CAPRIC TRIGLYCERIDE, HIPPOPHAE RHAMNOIDES FRUIT OIL, TOCOPHERYL ACETATE, AZELAIC ACID, FERULIC ACID, TOCOPHEROL, DEHYDROACETIC ACID (AND) BENZYL ALCOHOL, AMMONIUM ACRYLOYLDIMETHYLTAURATE/VP COPOLYMER, XANTHAN GUM

How to use

Make the formula work inside the ritual.

01

Cleanse

Begin with a gentle cleanser and dry the skin.

02

Apply

Use 1–2 pumps over face and neck in the AM or PM routine.

03

Absorb

Allow the serum to fully absorb before moisturiser.

04

Protect

Follow with moisturiser and SPF 30+ in the morning.

Product information

Everything you need, without the document dump.

Open the sections you need for ingredient detail, mechanism, safety, application notes, FAQs, expected-results guidance and storage instructions.

Formula & actives

What It Does

An advanced, multi-action serum engineered to target hyperpigmentation, support the epidermal barrier, and minimise oxidative stress. This high-potency formula utilises lipid-soluble Vitamin C alongside targeted actives to deliver results without causing irritation or disrupting the skin's pH.

The Active Quad

Tetrahexyldecyl Ascorbate

Ultra-stable, oil-soluble Vitamin C that penetrates deeply to boost collagen and fade dark spots without stinging.

Sunflower Sprout Extract

A cellular energiser that protects skin from photo-ageing, preserves elasticity, and neutralises urban pollution.

Azelaic Acid

A gentle clarifying powerhouse that refines skin texture, calms redness, and targets post-acne marks.

Seabuckthorn Oil

A golden, omega-rich oil packed with vitamins to nourish, repair, and soothe the skin matrix.

Niacinamide (B3)

Strengthens the moisture barrier, shrinks pores, and calms the skin.

How it works

The Science of Synergism: Why This Formula Works Together

The Ultimate Radiance Reset. Experience a dramatic shift in clarity and tone. This sophisticated daily serum targets dark marks, persistent redness, and environmental fatigue using a unique dual-pathway approach. By wrapping high-performance clinical brighteners in a luxurious cushion of botanical lipids, it delivers transformative results while respecting your skin’s natural barrier.

This formulation achieves superior clinical outcomes due to a multi-pathway mechanism. Instead of overloading the skin with a high percentage of a single ingredient, it combines five distinct actives that work in perfect biological synergy. They reinforce each other's stability, enhance cellular penetration, and target skin concerns from multiple physiological angles.

Melanin production inhibitedTHD Ascorbate + Azelaic Acid
Melanosome transfer blockedNiacinamide
Surface stains clearedAzelaic Acid keratolysis
Barrier protection & repairSea Buckthorn + Sunflower Sprout

The Triple-Action Pigment Block (THD Ascorbate + Niacinamide + Azelaic Acid)

Hyperpigmentation requires a multi-step intervention to clear successfully. This trio interrupts the pigment pathway at three distinct stages:

Prevention

THD Ascorbate and Azelaic Acid work upstream to inhibit tyrosinase (the enzyme that triggers melanin production) and suppress hyperactive melanocytes.

Interception

Niacinamide works mid-stream, blocking the transfer of existing pigment (melanosomes) into the upper skin cells.

Elimination

Azelaic Acid provides mild keratolytic action to gently accelerate cellular turnover, sweeping away existing dark spots on the skin's surface.

Enhanced Bioavailability and Delivery (THD Ascorbate + Sea Buckthorn Oil)

Traditional Vitamin C (L-ascorbic acid) is water-soluble and struggles to penetrate the skin's oil-rich outer barrier. THD Ascorbate is lipid-soluble, meaning it naturally mimics the skin's lipid structure. By pairing it with Sea Buckthorn Oil, the formula creates a highly bio-compatible lipid vehicle. This allows the Vitamin C to glide seamlessly through the stratum corneum, maximising deep cellular delivery without requiring a harsh, acidic pH.

Mitochondrial & Environmental Defence (Sunflower Sprout Extract + Vitamin C)

While Vitamin C is an excellent free-radical scavenger, Sunflower Sprout Extract elevates this defence. It preserves mitochondrial energy (ATP) and protects skin collagen from photo-ageing caused by UV and modern blue light. Together, they form a robust antioxidant shield that minimises the effects of environmental pollution, which triggers inflammatory cascades and premature ageing.

Total Barrier Compensation (Niacinamide + Sea Buckthorn Oil)

Active treatment serums can sometimes cause dryness or irritation. This formula minimises that by building a self-soothing delivery system. Niacinamide stimulates the natural production of ceramides, while Sea Buckthorn Oil directly floods the skin with rare Omega-7 and essential fatty acids. This instantly supports the lipid matrix, dampens redness that may be caused by Azelaic acid, and ensures the serum remains highly tolerable for sensitive or reactive skin types.

How to use

How to use

Apply 1-2 pumps onto cleansed, dry skin during the morning (AM) and evening (PM) routines. Smooth evenly over the face and neck. Allow full absorption, then follow with Hydrating Day (AM) and Night Repair (PM) or your favourite moisturiser.

Sun Safety

Always apply a broad-spectrum sunscreen (SPF 30+).

Routine Notes

Do not layer with other strong acids (AHA/BHA) or prescription treatments, copper peptides and retinol. If retinol is part of your (PM) routine, only apply the serum during your (AM) routine.

How to Use Your Serum: The Step-by-Step Guide

Step 1: Cleanse & Prep

Begin with a gentle cleanser to remove surface impurities, oil, and debris. Thoroughly pat your face and neck dry with a clean towel. Active delivery is most controlled and uniform on completely dry skin.

Step 2: Layer Water-Based Hydrators (Optional)

If your daily routine includes lightweight, water-based products (such as Hyaluronic Acid, thermal mists, or watery toners), apply them now. Allow these formulas to absorb fully until your skin feels slightly damp but no longer wet.

Step 3: Apply the Serum

Dispense 2 to 3 pumps of the serum onto your fingertips. Gently press and smooth the lipid-rich fluid over your face, neck, and décolletage. Avoid the immediate eyelid and tear-duct area.

Step 4: Allow for Absorption

Wait 60 to 90 seconds before moving to the next step. Because this formula contains premium bio-compatible lipids like THD Ascorbate and Sea Buckthorn Oil, it needs a moment to merge seamlessly with your stratum corneum without being wiped away by subsequent steps.

Step 5: Lock it In

Follow up with Hydrating Day (AM), Night Repair (PM) or your favourite moisturiser to seal in the actives and provide an extra layer of hydration.

Step 6: Daytime Defence (AM Routine Only)

If applying in the morning, always conclude your routine by applying a generous layer of broad-spectrum SPF 30 or higher. This serum's Sunflower Sprout Extract and Vitamin C work synergistically underneath sunscreen to form an impenetrable shield against UV rays, pollution, and blue light.

💡 Pro Tips for Maximum Results

The "Press, Don't Rub" Technique

Because this serum features a lipid vehicle (Sea Buckthorn Oil and THD Ascorbate), pressing it firmly into the skin with flat palms—rather than rubbing it in—promotes faster absorption and prevents friction on sensitive skin.

Target Stubborn Hyperpigmentation

If you have localised dark spots, sun damage, or deep post-acne marks (PIH), apply your normal layer across the whole face, then tap one extra drop directly onto those specific areas as an intensive spot treatment.

Extend to the Décolletage

Don't stop at your jawline. The skin on your neck and chest has fewer oil glands and is highly prone to premature ageing and sunspots.

☀️ Storage Guidelines

Keep it Cool and Dark

While THD Ascorbate is vastly more stable than traditional Vitamin C, all active skincare benefits from protection. Store the bottle in a cool, dry cupboard or drawer away from direct sunlight and fluctuating bathroom steam.

Avoid the "Skincare Fridge"

Unlike unstable L-ascorbic acid formulas, this lipid-rich serum does not need to be refrigerated. In fact, extreme cold can cause natural plant lipids, like Sea Buckthorn Oil, to thicken or temporarily separate. Room temperature is ideal.

Keep it sealed

Always ensure the cap is screwed on completely straight and tight. This keeps external moisture out and maintains the product's sterile clinical environment. Do not open the screwed cap to prevent oxidation, degrading active ingredients.

Monitor the Natural Hue

Pure, unrefined Sea Buckthorn Oil naturally gives formulas a beautiful golden-amber or soft orange tint. This vibrant colour is a sign of high nutrient density (carotenoids) and is completely normal.

FAQ & expectations

Frequently Asked Questions (FAQs)

What makes this serum's Vitamin C different from traditional serums?

This formula utilises Tetrahexyldecyl Ascorbate (THD Ascorbate), a next-generation, lipid-soluble form of Vitamin C. Unlike traditional L-ascorbic acid, which is highly unstable, oxidises quickly, and requires a harsh acidic pH, THD Ascorbate remains stable against light and air. Because it is oil-soluble, it matches the skin's natural lipid structure, allowing it to penetrate effectively without stinging or irritation.

Can I use this product if I have acne-prone or sensitive skin?

Yes. This formula is structurally optimised for high tolerance. Azelaic Acid and Niacinamide actively work to calm inflammation, regulate sebum production, and target post-acne marks (PIH). Additionally, Sea Buckthorn Oil and niacinamide work together to reinforce your skin barrier, preventing the redness, peeling, or purging often triggered by traditional vitamin C or acid serums.

How long does it take to see visible results?

Cellular support happens in stages:

1–2 Weeks

Increased hydration, enhanced skin barrier function, and a reduction in surface redness.

4–6 Weeks

Noticeable improvement in skin texture and a brighter, more even skin tone.

8–12 Weeks

Significant reduction in stubborn hyperpigmentation, dark spots, and post-acne marks, alongside firmer-looking skin due to optimised collagen support.

Where does this fit into my existing skincare routine?

Because this serum contains premium lipid-based ingredients (like THD Ascorbate and Sea Buckthorn Oil), it has a lightweight, nourishing texture. Apply it after your water-based serums (like hyaluronic acid) but before your heavy creams, facial oils, or morning sunscreen. It can be used in both your AM and PM routines.

Does this serum protect against blue light and pollution?

Yes. While Vitamin C neutralises standard environmental free radicals, the addition of Sunflower Sprout Extract specifically protects cellular energy centres (mitochondria) from the degrading effects of urban pollution and blue light emitted by digital screens. This makes it an exceptional defensive shield for daytime wear.

Can I layer this serum with Retinol or AHAs/BHAs?

Yes, but not recommended. Due to the unique stability and gentle pH (typically 4.0–6.0) of THD Ascorbate and Azelaic Acid, this formula does not conflict with other active ingredients the way traditional Vitamin C does. However, if you have highly reactive skin, we recommend using this serum in the morning (AM) to maximise its environmental defence and reserving your Retinol or exfoliating acids for evening (PM) use.

What to Expect: The Before & After Timeline

Because this clinical formula addresses both surface-level hydration and deep cellular pigment correction, results unfold in distinct structural phases. Individual timelines may vary based on your specific skin type and consistent compliance.

Day 1: Immediate Barrier Comfort

What is happening

The bio-compatible lipids (Sea Buckthorn Oil) and Niacinamide instantly fuse with your stratum corneum to support the moisture barrier.

The Before

Skin may feel tight, dry, or slightly sensitised from previous harsh treatments.

The After

An immediate reduction in micro-flaking, a soft-focus radiant finish, and a deeply calmed, comfortable complexion without the stinging typical of traditional Vitamin C.

Week 2: The Radiant Awakening

What is happening

Sunflower Sprout Extract elevates cellular energy (ATP production), while Azelaic Acid suppresses surface micro-inflammation.

The Before

Skin looks chronically fatigued, dull, or displays persistent daily redness.

The After

A visible surge in overall skin luminosity. Redness and vascular flushing are visibly reduced, and your skin tone begins to look more uniform.

Week 4: Clarity & Surface Refinement

What is happening

Your skin completes a full 28-day cellular turnover cycle. Niacinamide has actively worked on new pigment transfer, while Azelaic Acid's mild keratolytic action has shed old, stained surface cells.

The Before

Noticeable rough patches, enlarged pores, and distinct post-acne marks (PIH) or sunspots.

The After

The skin texture feels drastically smoother to the touch. Pores look tight and refined due to regulated sebum, and recent hyperpigmentation marks begin to fade significantly from the edges inward.

Week 8 and Beyond: Deep Pigment Correction & Firmer Skin

What is happening

Deep epidermal layers are fully saturated with THD Ascorbate, triggering advanced collagen synthesis and permanently down-regulating hyperactive melanocytes.

The Before

Stubborn, deeply rooted melasma, sun damage, and a loss of youthful skin elasticity or bounce.

The After

Chronic dark spots and sun damage are visibly dismantled and lightened. The skin matrix exhibits improved bounce, firmness and resilience against daily environmental pollutants.

Storage & care

Storage & care

Store in a cool, dry place away from direct sunlight and humidity. Keep the cap tightly sealed to prevent oxidation. For maximum active ingredient potency, use within 3 months of opening.

Here is a detailed breakdown of how each active ingredient works and what it does for the skin.

Tetrahexyldecyl Ascorbate (THD)

What it is

Clinical Active - An ultra-stable, lipid-soluble Vitamin C derivative.

How it works

It bypasses the stratum corneum to convert directly into pure L-ascorbic acid within the deeper epidermal layers, stimulating collagen synthesis and inhibiting tyrosinase to reduce melanin production.

The Benefit

It delivers potent anti-ageing, brightening, and antioxidant benefits.

Azelaic Acid

What it is

Clinical Active - A dicarboxylic acid naturally derived from grains like barley and wheat (often used in synthetic forms for stability).

How it works

It selectively targets hyperactive melanocytes to fade post-inflammatory hyperpigmentation (PIH). It provides mild keratolytic action to refine texture and down-regulates inflammatory pathways to reduce redness.

The Benefit

This is your primary weapon against uneven tone. It targets dark spots, acne scars (post-inflammatory hyperpigmentation), and redness caused by rosacea or breakouts, leaving the skin tone exceptionally uniform.

Sunflower Sprout Extract

What it is

Botanical Shield - A clinically proven cellular energiser.

How it works

It preserves mitochondrial function, protects against photo-ageing induced by UV and blue light, and mitigates environmental pollutant damage.

The Benefit

It is a powerful anti-ageing ingredient that energises skin cells and minimises cellular fatigue. Rich in antioxidants and amino acids, it naturally boosts the skin's NAD+ levels, protects DNA from UV damage, and promotes firmness by supporting collagen density.

Seabuckthorn Oil

What it is

Lipid Matrix - A nutrient-dense botanical lipid rich in Omegas 3, 6, 7, and 9.

How it works

It accelerates tissue repair, dampens inflammatory responses, and minimises trans-epidermal water loss (TEWL).

The Benefit

Rich in Omegas 3, 6, 9, and the rare Omega-7, it deeply hydrates, promotes cell regeneration, and strengthens the skin barrier. Its high antioxidant and Vitamin C content fight free radicals, diminishing fine lines and calming inflammation.

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