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Product summary

Judging from the ingredient list, "COSRX - The Retinol 0.1 Cream" works well for improving skin hydration 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. Panthenol, glycerin, hyaluronic acid, hydrolyzed hyaluronic acid and sodium acetylated hyaluronate 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). Glycine soja oil, butyrospermum parkii butter, caprylic/capric triglyceride, dimethicone and helianthus annuus seed oil in this product help decrease the water evoporation from the skin, so that it stays hydrated for longer. These ingredients also soften the skin and take away the feeling of tightness and dryness.

Ingredient callouts

  • This product also contains Vitamin C (Ascorbic Acid). It can be an effective active for anti-aging and evening out the skin tone, but in this moisturizer it is used for stabilizing other ingredients in the formulation. In this concentration (0.20% - 0.35%) it cannot have a noticeable benefit for the skin.
  • This moisturizer 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. Because of the irritation risk of Retinoids, we recommend to have another, retinoid-free moisturizer in your routine to use on the alternate days or when your skin feels dry.
  • Adenosine 0.20% - 0.40%. 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).
  • An effective concentration of Panthenol (pro-vitamin B5) - about 1.30% - 1.60%. Panthenol helps strengthen the skin barrier, improve hydration and reduce inflammation in skin.
This product contains ingredients that could be beneficial, but their concentrations are too low in this formulation: vitamin c, stearic acid, allantoin and vitamin e

Irritation risk

This moisturizer contains actives that can be irritating. 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.

About the brand

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

Price

The product retails from 32.00A$ up to 49.00A$ in Australia, from 18.18$ up to 27.00$ in the United States and from 21.97£ up to 30.00£ in the United Kingdom.

For a detailed price comparison: click here.