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Product summary

Based on the ingredients included, "Peter Thomas Roth - FIRMx Collagen Eye Cream" works well for moisturizing the skin. As we expect from a proper moisturizer, the formula includes a combo of effective humectants and emollients. These are the two different types of ingredients that are essential for improving the skin hydration and supporting a healthy skin barrier. Humectants in this product (glycerin, hyaluronic acid, hydrolyzed collagen, sodium hyaluronate and sodium pca) help to increase the water content in the upper layer of the skin. (These ingredients do so by "capturing" water molecules from the outside air or from within the deeper layers of the skin). Emollients in this formulation (hydrolyzed collagen, dimethicone, squalane and pentylene glycol) help to reduce the moisture loss from the skin. They also soften the skin surface and relieve the feeling of dryness and tightness.

Ingredient callouts

  • This moisturizer also contains Peptides (palmitoyl tripeptide-5 0.65% - 0.95% and palmitoyl dipeptide-5 diaminobutyroyl hydroxythreonine 0.65% - 0.95%). Peptides are a very big group of ingredients. They all consist of a different combination of aminoacids. Our skin produces Peptides naturally. Some of them work as natural antibiotics, promote wound-healing and production of collagen. The scientists are still studying how effective the topical application of Peptides is, but it is very likely that they are helpful. Peptides might be able to support skin barrier restoration and even have an anti-aging benefit. At the very least, they certainly help attract water to the skin and support the hydration in this way.
This product contains ingredients that could be beneficial, but their concentrations are too low in this formulation: vitamin e and colloidal oatmeal

Irritation risk

This product does not contain known common irritants and is suitable for sensitive skin. We assess the overall irritancy of this moisturizer to be medium. For a detailed overview of all potential irritants: click here

You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.

Price

The product retails from 60.00$ up to 68.00$ in the United States, from 76.95A$ up to 100.00A$ in Australia, from 60.00£ up to 61.69£ in the United Kingdom, for 85.70CA$ in Canada and for 114.00NZ$ in New Zealand.

For a detailed price comparison: click here.