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Product summary

"Kosas - Plump & Juicy Lip Booster Buttery Treatment" is effective for: Moisturizing

This lip product could be helpful for: Anti-aging, but its actives are not the most effective or are not well-studied.

Ingredient callouts

  • This moisturizer also contains Peptides (palmitoyl tripeptide-1 0.40% - 0.90%). 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.

About the brand

According to Cruelty-Free Kitty "Kosas" is cruelty free and so is its parent company.


The product retails for 25.00$ in the United States and for 22.00£ in the United Kingdom.

For a detailed price comparison: click here.