Keren BartovSerum C Active, 1 oz.

A potent brightening serum supercharged with 18% Vitamin C (3-O-Ethyl Ascorbic Acid), Hyaluronic Acid, and antioxidant-rich Grape Vine Extract to visibly boost glow and defend against daily oxidative stress.

Clinically proven active ingredients hydrate from first use and improve clarity and firmness over time. The texture is lightweight, fast-absorbing, and water-based.

How to Use:
​Press 1–2 drops onto a clean, dry face in the morning; follow with moisturiser. Apply broad-spectrum SPF every morning.

Clinical Results:
Immediately after first use:

• Boosts skin brightness with 3-O-Ethyl Ascorbic Acid, shown to improve luminosity¹
• Plumps hydration with Hyaluronic Acid, demonstrated to increase skin moisture within hours²

With consistent use:

• Reduces appearance of dark spots with 3-O-Ethyl Ascorbic Acid, linked to improvement in pigmentation in 4 weeks³
• Firm skin appearance with Hydrolyzed Pea Peptide⁴
• Defends against oxidative stress with Grape Vine Extract, shown to reduce oxidative markers in weeks⁵

Ingredient-level benefits supported by peer-reviewed studies at specific concentrations:
¹ Kim et al., 2020, Skin Res Technol.
² Pavicic et al., 2011, Dermatol Ther.
³ Zhou et al., 2021, Int J Dermatol.
⁴ Bertin et al., 2015, Int J Cosmet Sci.
⁵ Soleas et al., 2002, Free Radic Biol Med.

1 oz. / 30 mL

Ingredients*:
Aqua (Water), 3-o-ethyl Ascorbic Acid, Propylene Glycol, Glycerin, Citric Acid, Sodium Citrate, Sodium Benzoate, Potassium Sorbate, Sodium Hyaluronate, Butylene Glycol, Sodium Saccharin, Phenoxyethanol, Biosaccharide Gum-1, Vitis Vinifera Vine Extract, Glucose, Hydrolyzed Pea Protein, Sodium Chloride, Sodium Succinate.

*Please Note:The ingredient list is subject to change. Please refer to the product packaging for the most up-to-date ingredient list.