IOPE Vitamin C Expert 25% Antioxidant Toning Serum 23ml

25% pure vitamin C: clinically proven to improve radiance and firmness from first use.

The IOPE Vitamin C Expert 25% Antioxidant Toning Serum is a next-level brightening serum built around the highest concentration of pure ascorbic acid in the IOPE range. Penta Active technology combines glutathione, ferulic acid and three vitamin C derivatives to maximise stability and effectiveness, while a new stabilisation system slows oxidation for longer-lasting potency. PHA refines skin texture alongside the brightening actives, and the lightweight oil-free base absorbs instantly without stickiness.

Key Benefits

• 25% pure vitamin C brightens, firms and visibly improves radiance from first use
• Penta Active technology: glutathione, ferulic acid and 3 vitamin C derivatives maximise stability
• New oxidation-stabilisation system preserves potency for longer
• PHA refines skin texture and minimises pore appearance
• Lightweight, oil-free formula absorbs instantly without stickiness
• Clinically proven to improve radiance and firmness

Hero Ingredients

• Ascorbic Acid 25% (Pure Vitamin C): the most potent form of vitamin C for maximum brightening and antioxidant protection
• Glutathione: master antioxidant that inhibits melanin and enhances the brightening effect
• Ferulic Acid: stabilises and amplifies the vitamin C complex for extended efficacy
• 3-O-Ethyl Ascorbic Acid + Ascorbyl Tetraisopalmitate: stable vitamin C derivatives that support the pure form
• Gluconolactone (PHA): gently refines skin texture with minimal irritation

Who It’s For

Dull, uneven or pigmented skin. Experienced vitamin C users who want clinical-level brightening results. Not recommended for beginners: start with a lower concentration if new to vitamin C.

How to Use

1. Cleanse and tone: Prepare dry skin before applying the serum.
2. Apply two to three drops: Smooth evenly over the face, avoiding the eyes.
3. Allow it to absorb: Wait before applying moisturiser.
4. Finish with sunscreen: Use broad-spectrum SPF every morning.

Fragrance Notice

This product contains Fragrance (Parfum).

Pro Tips

• Refrigerate after opening: Cool, dark storage helps slow oxidation.
• Watch the colour: Replace the serum if it becomes deeply brown or changes smell.
• Use sunscreen: Daily SPF is essential in a brightening routine.
• Introduce gradually: 25% pure vitamin C is best suited to experienced users.

Ingredients

Water, Ascorbic Acid, Tromethamine, Dimethicone, Butylene Glycol, Dipropylene Glycol, 3-O-Ethyl Ascorbic Acid, Bis-Ethoxydiglycol Cyclohexane 1,4-Dicarboxylate, Squalane, Caffeine, Sodium Chloride, Panthenol, Acetyl Glucosamine, Sodium Hyaluronate, Gluconolactone, Glutathione, Pentylene Glycol, Fragrance (Parfum), Ascorbyl Tetraisopalmitate, Xanthan Gum, Sodium Sulfite, Disodium EDTA, Gardenia Florida Fruit Extract, Ferulic Acid, Dextrin, Achillea Millefolium Extract, Tocopherol, Arginine, Niacinamide, Glycyrrhiza Glabra (Licorice) Root Extract, Methyl Trimethicone, Carthamus Tinctorius (Safflower) Seed Oil