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Product summary

"Kiehl's - Retinol Skin-Renewing Daily Micro-Dose Serum" is effective for: Moisturizing, Exfoliation, Anti-aging, Evens skin tone and Anti-blemish

Ingredient callouts

  • A good concentration of Niacinamide (2.30% - 2.80%). Niacinamide is a well-studied multi-tasking active. It is stable, and can work well in almost any hydrating formulation. There is solid evidence that Niacinamide can help support skin barrier, regulate oil production and reduce acne and clogged pores. It also helps to fight photodamage and improve the skin tone, reducing pigmentation marks.
  • This product contains an effective form of Retinoids (vitamin A): retinol 0.20% - 0.40%. Retinoids are potent multitasking actives. They work to improve and prevent early signs of aging, reduce hyperpigmentation (age spots and post-acne marks), and prevent inflamed blemishes and clogged pores. The downside of Retinoids is that they can be irritating. If you are not already using a Retinoid in your routine, it is best to start slowly and apply the Retinoid product only a few times per week. If your skin tolerates it well, you can gradually increase the frequency to daily.
  • Ceramides (ceramide np 0.50% - 0.75%). Ceramides are a type of lipids that our skin produces itself. They are a building block of the skin's barrier. Ceramides used in skincare are synthetic or extracted from plants. They work well for softening the skin surface and "patch holes" in the skin's barrier.
  • Peptides (acetyl dipeptide-1 cetyl ester 0.55% - 0.85%). There are many different kind of Peptides and they are naturally present in our skin. They all are a combination of aminoacids. Some of them work as natural antibiotics, promote wound-healing and production of collagen. The science is still not settled on how effective Peptides are in skincare, but it is very likely that they have a benefit. They might help restore the skin barrier and fight the signs of aging. At the very least, Peptides work as humectants: they attract water to the upper layer of the skin and improve its hydration.
  • Adenosine 0.50% - 0.75%. It is a compound that in involved in many biological processes inside the skin cells. According one high-quality clinical trial, topical Adenosine in low concentrations can somewhat help improve "deep wrinkles" - the wrinkles that appear with age in places where our faces are most dynamic (for example, on the forehead or in the corners of the eyes).
  • Humectants (glycerin 4.40% - 5.30% and sodium hyaluronate 0.30% - 0.50%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.

Price

The product retails for 141.96A$ in Australia, from 57.00$ up to 157.30$ in the United States and from 33.75£ up to 65.50£ in the United Kingdom.

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