Kate Somerville vs SkinMedica — side by side, no bias.
Our pick
TNS Advanced+ Serum
9/10 · SkinMedica
| EradiKate 10% Sulfur Acne Treatment | TNS Advanced+ Serum | |
|---|---|---|
| Brand | Kate Somerville | SkinMedica |
| Category | serum | serum |
| Editor Rating | 8.5/10 | 9/10 ★ |
| Category | serum | serum |
| Texture | Pink, sediment-bottom spot treatment (shake to mix) | Thick peach-pink serum |
| Finish | Visible pink dot — meant to be left on at night | Silky smoothing |
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| Verdict | The cult acne spot treatment — 10% sulfur (the highest OTC concentration) sitting at the bottom of the bottle, mixed with calamine and zinc. Apply with a Q-tip to active spots before bed; in the morning the whitehead is shrunken or gone. Smells like sulfur (can't disguise that), but works on inflammatory acne in a way few topicals match. | The US cosmetic-derm world's post-procedure gold standard. TNS — Tissue Nutrient Solution, a growth-factor complex derived from human fibroblast conditioned media — paired with signal peptides and barrier support. Clinical data on photoaging is published and serious. $295 is genuinely expensive, but the 4–6 week post-Fraxel case is exactly what this product was built for. |
