Vitamin K2 Cream Smoothed Wrinkles in an 8-Week Split-Face Test
- Design
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- Participants
- 30
- Duration
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- Funding
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This study suggests topical MK-7 may modestly improve skin firmness, though the trial was small and short.
Vitamin K2 (MK-7) is usually talked about for bones and arteries, but here it was rubbed on the skin. Women aged 35 to 60 used a 0.05% MK-7 cream on one side of their face and neck and a placebo on the other for eight weeks. The K2 side showed less wrinkle roughness, better elasticity, and less sagging. In lab-grown skin cells, MK-7 also boosted energy production and raised the NAD+/NADH ratio.
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