- 7 days to improved skin radiance*
- 7 days to visibly brighter, smoother skin*
- 96% of sensitive skins agreed C-Tetra was gentle on the skin*
- 4 weeks to visibly reduced wrinkles & dark spots*
- 90% agree skin feels instantly softer*
*Proven via independent consumer study conducted over 4 weeks on 52 participants with sensitive skin.