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NEOSTRATA Enlighten 15_ Vitamin C + PHA Serum (15ml) with dropper
NEOSTRATA Enlighten 15_ Vitamin C + PHA Serum (15ml) with dropper in hand

NEOSTRATA Enlighten 15% Vitamin C + PHA Serum (15ml)

Original price was: £62.40.Current price is: £56.60.

Achieve a visible radiance boost in as little as seven days. The NEOSTRATA Enlighten 15% Vitamin C + PHA Serum pairs gold-standard, pure 15% L-Ascorbic Acid with 2% Gluconolactone (PHA). This medical-grade formulation simultaneously sloughs away surface-level dead skin and infuses fresh cellular layers with potent clinical antioxidants, targeting dark patches, environmental oxidative stress, and fine lines without the typical irritation associated with high-potency Vitamin C.

Description

NEOSTRATA Enlighten Vitamin C Serum: A Smarter Path to Cellular Brightening

Not all Vitamin C formulations are created equal. Many high-street options use unstable derivatives that may not penetrate the skin barrier as effectively. NEOSTRATA Enlighten Vitamin C Serum is a clinical powerhouse that features 15% pure L-ascorbic acid.
The real innovation consists of the pairing with a Polyhydroxy Acid (PHA). By gently dissolving the microscopic bonds holding dull, dead surface cells together, the PHA helps prepare a fresh surface canvas so that the high-strength Vitamin C can spread more evenly across target areas of the skin.

Key Active Matrix

  • 15% Pure Vitamin C (L-Ascorbic Acid): Helps target hyperpigmentation, supports melanin regulation, and supports collagen scaffolding.
  • 2% Gluconolactone (PHA): A large-molecule polyhydroxy acid that gently resurfaces the epidermis, delivers hydration, and supports skin barrier resilience without increasing sun sensitivity.
  • 1% Feverfew Extract: A soothing, botanical antioxidant complex that helps buffer environmental stressors and keeps vascular reactivity low.
  • Green Tea Extract (EGCG): Synergistically supports the antioxidant capacity of Vitamin C while helping calm low-grade tissue inflammation.

How to Apply: The Clinical Morning Protocol

Because pure L-Ascorbic Acid is extremely effective, apply it gradually on dry skin to help minimise localised tingling and support optimal absorption.
  1. Cleanse and completely dry: Cleanse thoroughly using a clinical cleanser. Ensure your face, neck, and décolletage are completely dry before proceeding—applying pure Vitamin C to damp skin can speed absorption and cause irritation.
  2. Measure and press: Dispense exactly 2 to 3 drops onto your fingertips. Smooth the lightweight liquid evenly across target zones, pressing gently rather than rubbing aggressively.
  3. Lock and protect: Allow the serum to absorb naturally for 60 seconds.

Follow immediately with a clinical moisturiser and a broad-spectrum sunscreen 30 or higher to shield the newly active skin from UV triggers.

Windsor Mews Clinic Clinical Assurance

Windsor Mews Clinic is a registered, science-first skin health centre in Heathfield, East Sussex. Under the clinical oversight of Senior Aesthetic Practitioner Sabine Lepere, we maintain strict temperature-controlled storage for active medical cosmetics.

Pure L-Ascorbic Acid is highly volatile and prone to oxidation if improperly stored or shipped. When purchasing through our official store, you receive fresh, clinical-grade stock kept upright in optimal dark conditions.

Technical Specifications & Ingredients

Attribute
Specification
Size
15ml (Concentrate Dropper Assembly)
pH Range
Formulated at an acidic pH required for pure L-Ascorbic Acid stabilisation
Skin Types
Normal, Combination, Mature, and Resilient Oily Skin
Formulation Attributes
Fragrance-Free, Paraben-Free, Dermatologist-Tested

Storage Warning: Always seal the cap tightly immediately after use. Store upright in a cool, dark cabinet away from direct bathroom steam. Over several months, a gradual amber hue is a normal characteristic of authentic, active L-Ascorbic Acid and does not appear to compromise its structural efficacy.

Behind the Formulation

Why does NEOSTRATA Enlighten Vitamin C Serum include a PHA instead of an AHA like Glycolic Acid?

Alpha Hydroxy Acids (AHAs) can occasionally cause skin irritation and increase sun sensitivity when combined with a 15% concentration of pure Vitamin C. Gluconolactone (PHA) has a much greater molecular weight, allowing it to gently dissolve superficial cellular bonds on the skin’s surface without disrupting deeper barrier structures. It hydrates as it exfoliates, making it a strong option for active compounding.

My serum arrived under pressure; is this normal?

Yes. Pure L-Ascorbic Acid formulations are tightly packed and can experience minor pressure changes during shipping and climate transit. Open the bottle slowly and carefully when unboxing it for the first time.

Can I pair NEOSTRATA Enlighten Vitamin C Serum with my evening Retinoids or ZO Skin Health regimens?

Absolutely. We recommend using this serum strictly in your morning routine to maximise its environmental antioxidant defence benefits. Reserve your cellular renewal retinoids, AHA peels, or growth factor regimens for your evening protocol to help prevent overlapping skin fatigue.

Learn more about the Neostrata Story

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