Comparison
Powerful-Strength Line-Reducing Concentrate (12.5% Vitamin C) vs TNS Advanced+ Serum
Kiehl's vs SkinMedica — side by side, no bias.
Kiehl's
Powerful-Strength Line-Reducing Concentrate (12.5% Vitamin C)
8.4/10serum
SkinMedica
TNS Advanced+ Serum
9/10serum
Our pick
TNS Advanced+ Serum
9/10 · SkinMedica
| Powerful-Strength Line-Reducing Concentrate (12.5% Vitamin C) | TNS Advanced+ Serum | |
|---|---|---|
| Brand | Kiehl's | SkinMedica |
| Category | serum | serum |
| Editor Rating | 8.4/10 | 9/10 ★ |
| Category | serum | serum |
| Texture | Silicone-rich emulsion | Thick peach-pink serum |
| Finish | Smoothed, brightened | Silky smoothing |
| Skin Types |