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Product summary

Judging from the ingredient list, "Peter Thomas Roth - Peptide 21 Wrinkle Resist Eye Cream" works well for improving skin hydration The formulation is based on a combination of good humectants and emollients. Both are needed to increase the skin hydration level. Acetyl hexapeptide-8, acetyl octapeptide-3, dextran, glycerin and mannitol in this product (humectants) attract water molecules to the upper layer of the skin (the water comes from the outside air or from the deeper layers of the skin if the air is dry). Emollients in this formulation (palmitoyl tetrapeptide-7, palmitoyl tripeptide-1, tripeptide-1, caprylic/capric triglyceride and dimethicone) 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 moistruizer also contains peptides (tripeptide-10 citrulline 0.35% - 0.60%, tripeptide-1 0.25% - 0.45%, trifluoroacetyl tripeptide-2 0.20% - 0.40%, palmitoyl tetrapeptide-7 0.20% - 0.40%, palmitoyl hexapeptide-19 0.20% - 0.35%, palmitoyl hexapeptide-12 0.25% - 0.50%, acetyl tetrapeptide-9 0.25% - 0.45%, acetyl tetrapeptide-2 0.20% - 0.40%, acetyl tetrapeptide-11 0.30% - 0.60%, acetyl octapeptide-3 0.20% - 0.40%, acetyl hexapeptide-8 0.30% - 0.50%, palmitoyl tripeptide-5 0.40% - 0.60%, palmitoyl tripeptide-1 0.25% - 0.45%, dipeptide diaminobutyroyl benzylamide diacetate 0.20% - 0.40%, hexapeptide-11 0.20% - 0.40% and acetyl hexapeptide-1 0.30% - 0.60%). Peptides is a very big group of ingredients. They all consist of a different combination of amino-acids. Our skin produces peptides naturally. Some of them work as natural anti-biotics, 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 peptides in skincare are helpful. They 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.

Irritation risk

There are some common irritants in this product, including ingredients that do not have benefits for the 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 for 75.00$ in the United States, from 94.50CA$ up to 98.00CA$ in Canada, for 110.95A$ in Australia and from 34.75£ up to 57.75£ in the United Kingdom.

For a detailed price comparison: click here.