Consumer & Clinical Trials: C-Tetra & C-Tetra Luxe
Our bestselling vitamin C serums deliver visibly glowing, smoother and more even-looking skin while ensuring a luxurious sensorial experience. For those with particularly sensitive skin, C-Tetra is the perfect entry point to vitamin C use. For those looking for supercharged radiance and all-round skin health, choose C-Tetra Luxe.
Clinical & User Trials
C-Tetra Claims
96% of sensitive skins agree C-Tetra is gentle on the skin[2]
Proven To:
✓
Achieve a healthy-looking glow in just 7 days[2]
✓ Soften and reduce the appearance of lines and wrinkles in 4 weeks[2]
✓ Visibly reduce dark spots in 4 weeks[2]
C-Tetra Luxe Claims
86% reposted that it was the best vitamin C serum they had tried[3]
Clinically Proven To:
✓
Instantly improve skin radiance[3]
✓ Reduce the appearance of wrinkles in 4 weeks[3]
✓ Reduce hyperpigmentation in 4 weeks[3]
Shop C-Tetra/ C-Tetra Luxe
[1]Proven via independent consumer study conducted over 4 weeks on 52 participants with sensitive skin and via independent clinical study on C-Tetra Luxe conducted over 4 weeks on 36 participants
[2]Proven via independent consumer study conducted over 4 weeks on 52 participants with sensitive skin.
[3]Proven via independent clinical study on C-Tetra Luxe conducted over 4 weeks on 36 participants