@zelensskincare: Dr. Marko Lens on why most vitamin C products fall short - and what he did about it. Everyone is talking about vitamin C. But many products contain an unstable form that degrades easily when exposed to light. Power C was formulated with a stable vitamin C ester at 20% - the maximum concentration - delivered in a silky emulsion that took several years and over 50 versions to perfect. The result: clinically proven boost of radiance and natural collagen production. With zero irritation.

Zelens Skincare

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Saturday 28 March 2026 12:00:05 GMT