Clinical Test Results
Key Ingredients
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To open capsules: Gently twist tab around twice and squeeze onto fingertips.
To use: Squeeze 3 drops onto palm of hand, press palms together, and smooth over face. Use remaining serum for neck and décolleté. Adjust as needed. Use morning and/or night before moisturiser.
- 1Based on stability testing of THD Ascorbate vs. L-Ascorbic Acid.
- 2In a US clinical study of 31 subjects after 8 weeks of use.
- 3In a China consumer study of 63 subjects after 8 weeks of use.