Isntree Hyper Vitamin C 23

What it is
The Isntree Hyper Vitamin C 23 Serum is a powerful brightening treatment formulated with 23% pure Vitamin C (ascorbic acid) to target dullness, pigmentation, and uneven skin tone. This high-concentration formula helps improve radiance, reduce dark spots, and promote collagen production for smoother, firmer skin. Enhanced with soothing and hydrating ingredients, it provides visible results without excessive irritation.

Light, refreshing texture
Non-sticky and fast-absorbing serum that delivers a concentrated dose of Vitamin C while keeping the skin hydrated and comfortable. Designed to minimize oxidation and maintain potency.

Key ingredients
• Vitamin C (Ascorbic Acid 23%) – Brightens skin, fades dark spots, and stimulates collagen synthesis.
• Ferulic Acid – Stabilizes Vitamin C and enhances antioxidant protection.
• Vitamin E (Tocopherol) – Protects skin barrier and prevents free radical damage.
• Allantoin – Soothes irritation and improves skin tolerance.
• Niacinamide – Enhances skin brightness and strengthens barrier function.

Benefits
• Brightens dull, uneven skin tone
• Helps fade pigmentation, sun spots, and acne marks
• Boosts collagen and improves firmness
• Provides antioxidant protection against environmental stressors
• Improves overall radiance and glow

How to use
Apply 2–3 drops to cleansed, toned skin in the morning or evening routine. Gently pat until absorbed. Follow with moisturizer and sunscreen if used in the morning. For sensitive skin, start by using 2–3 times a week and gradually increase frequency. Store in a cool, dark place.

Ingredients (INCI)
Ascorbic Acid (23%), Butylene Glycol, Water, 1,2-Hexanediol, Arginine, Niacinamide, Ferulic Acid, Tocopherol, Allantoin, Panthenol, Sodium Hyaluronate, and other stabilizing and hydrating agents.

Storage & shelf life
To maintain maximum freshness and effectiveness, store the Isntree Hyper Vitamin C 23 Serum in a cool, dark place — ideally in the refrigerator after opening. Due to its high concentration of pure Vitamin C (23%), the formula may slightly darken over time, which is normal and does not affect product performance. For best results, use within 3 months after opening.