ALASTIN
vs SkinCeuticals
Two formulas, with different prices and ingredient blends.
| What to compare | ALASTIN HA IMMERSE Serum | SkinCeuticals H.A. Intensifier Multi-Glycan |
|---|---|---|
| US reference price | $134 / 29.6 mL · $4.53/mL | $120 / 30 mL · $4.00/mL |
| HA forms | Sodium hyaluronate + crosslinked sodium hyaluronate | Brand states 1.3% hyaluronic acid |
| Disclosed concentrations | Not disclosed | 1.3% HA; 12% Proxylane; 2% ferment, brand figures |
| Other ingredients to consider | Glycerin, dimethicone, sugar humectants, Octapeptide-45 | Proxylane, soybean ferment, licorice and purple rice extracts |
| Format | Lightweight serum; pump | Gel-serum; dropper |
| Evidence status | Brand-associated open-label research; no head-to-head comparison. | Manufacturer formula claims; generic HA studies cannot validate every claim. |
The practical difference
ALASTIN: A hydration blend with both water-binding ingredients and a silicone base. Worth considering if you want a pump rather than a dropper.
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
ALASTIN: The peptide and HA-boosting claims do not establish superiority over the other serums.
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