iS Clinical C-15 Serum (0.5 oz / 15 ml)

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iS Clinical C-15 Serum contains a powerful 15% concentration of scientifically-advanced stabilized vitamin C (L-ascorbic acid), the optimal dosage for balancing maximum efficacy with minimal irritation. This intensive formula provides antioxidant and UV photo-protection, helps reduce the appearance of fine lines and wrinkles, and evens skin tone to help control the visible signs of aging.


  • Reduces the appearance of lines and wrinkles.
  • Increases collagen production.
  • Provides UV photo-protection.
  • Helps treat discoloration.
  • Zinc Sulfate improves skin immune function

How to Use:

Apply sparingly to clean skin, smoothing over face and neck (or as directed). For best results, follow complete iS Clinical skincare regime.


Water/ Aqua/ Eau, Sodium Hyaluronate, Ascorbic Acid, Propylene Glycol, Zinc Sulfate, Bioflavonoids, Phenoxyethanol.

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