PCA SKIN
vs SkinCeuticals
Two formulas, with different prices and ingredient blends.
| What to compare | PCA SKIN Hyaluronic Acid Boosting Serum | SkinCeuticals H.A. Intensifier Multi-Glycan |
|---|---|---|
| US reference price | $128 / 30 mL · $4.27/mL | $120 / 30 mL · $4.00/mL |
| HA forms | Hyaluronic acid, hydrolyzed HA, sodium hyaluronate | Brand states 1.3% hyaluronic acid |
| Disclosed concentrations | HA and niacinamide percentages not disclosed | 1.3% HA; 12% Proxylane; 2% ferment, brand figures |
| Other ingredients to consider | Glycerin, dimethicone, niacinamide, ceramides NP/AP/EOP | Proxylane, soybean ferment, licorice and purple rice extracts |
| Format | Serum; pump | Gel-serum; dropper |
| Evidence status | Six-week serum study with 40 women; no vehicle-control group described in abstract. | Manufacturer formula claims; generic HA studies cannot validate every claim. |
The practical difference
PCA SKIN: A broader hydration formula that includes niacinamide and barrier lipids alongside HA.
SkinCeuticals: The clearest headline concentration disclosure in this selection, useful if you want to know the stated HA percentage.
What the comparison cannot tell you
PCA SKIN: The page’s 50% HA increase is based on laboratory data. Its ingredient list also includes aroma and rosemary oil. The niacinamide percentage cannot be assumed to match a 5% trial.
SkinCeuticals: A larger stated percentage is not proof of stronger results. Claims about skin HA levels and facial volume remain manufacturer claims, not a comparison with these four alternatives.
These published details do not establish a clinical winner. No head-to-head study of this pair was identified in this review. Prices were checked 2 November 2026; confirm current local prices.
Read the ingredient evidence