"Ren Skincare - Overnight Glow Dark Spot Sleeping Cream" has a good moisturizing formula. The formulation is based on a combination of good humectants and emollients. Both are needed to increase the skin hydration level. Panthenol, arginine, glycerin, glycogen and sucrose 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). Arginine, simmondsia chinensis seed oil, squalane, cetearyl alcohol and cetyl alcohol 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
- An effective concentration of Panthenol (pro-vitamin B5) - about 0.40% - 0.95%. 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: lecithin
Irritation risk
This moisturizer contains a bunch of common irritants, including ingredients that do not provide any known benefit for the skin. It might not be the best choice if your skin is sensitive. We assess the overall irritancy of this moisturizer to be high. 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 50.38£ up to 61.00£ in the United Kingdom, from 49.00$ up to 69.00$ in the United States, from 66.60CA$ up to 72.00CA$ in Canada and for 53.00£ in the United Kingdom.
For a detailed price comparison: click here.
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