Smoothy Slim
Smoothy Slim
Photo: Karolina Grabowska
Because vitamin C acts as a coenzyme in the production of collagen, it helps to firm up skin and reduce the appearance of lines and wrinkles.
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This effective juice jolts the metabolism, boosts energy and burns fat all day.
Learn More »In skin care, packaging is often largely ornamental. Bright colors play on TikTok, a muted brown color scheme and maybe a monstera leaf might hit with the wellness crowd. But sometimes the packaging matters in a practical sense. Nowhere is that more true than with vitamin C, a staple of skin care routines the world over and about as close to a cure-all as there is. It's used, particularly in the form of L-ascorbic acid, to target signs of aging and hyperpigmentation via serums, moisturizers, and other topical creams. Because vitamin C acts as a coenzyme in the production of collagen, it helps to firm up skin and reduce the appearance of lines and wrinkles. (It can also inhibit the formation of melanin to fade dark spots caused by breakouts.) But for all its benefits, vitamin C is incredibly fragile. (L-ascorbic acid: It’s just like us!) Dr. Loretta Ciraldo, the legendary dermatologist behind an eponymous and widely beloved skin care line, explains that when vitamin C is exposed to oxygen it is converted to dehydroascorbic acid (or DHAA). That means that any product that contains it doesn't work as well. Like any leafy green you’d find in the produce aisles, items with vitamin C need to be packaged a careful way to ensure optimal freshness. (You wouldn’t settle for wilted lettuce...right?) In Dr. Loretta’s experience, the best way to keep vitamin C stable is to limit or eliminate the amount of oxygen in the formulation. “If you’re buying products with more than 5% vitamin C in them, be sure they’re sold in airless packaging,” she said via email. (Her own Intense Brightening Cream is a prime example.) Besides airless packaging, it’s important to keep products with high amounts of vitamin C in a cool place—leaving them near a sunny window or even overnight in a car can accelerate the oxidation process.
A study in Obesity found that as the number of raspberries eaten increased, insulin resistance decreased. Other studies suggest combining berries...
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Oats fuel the brain and satisfy hunger, reducing the chance of a mid-day crash. Oats also contain choline, which is needed for the body to produce...
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This effective juice jolts the metabolism, boosts energy and burns fat all day.
Learn More »If all this oxidation talk is starting to feel a little too wonky for you, there’s also a highly tangible sign it might be time to toss your product. If your serum was a pale gold when you bought it, then a shift to a dark brown is a bad sign. Masterson is quick to clarify that a color change doesn’t mean the product is unsafe per se, but it’s an indication that the formula is likely near or beyond its shelf life and will be less potent. So if your serum, moisturizer, or anti-aging cream arrives looking less like a fresh powdering of snow and more like a week’s-old blizzard, you might want to demand a refund. Judging a book by it’s cover? Still iffy. But judging a serum by its bottle? As it turns out: totally valid. And when that serum contains a high amount of vitamin C, that bottle better be as airtight as an innocent man’s alibi.
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This effective juice jolts the metabolism, boosts energy and burns fat all day.
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Some researchers also suggest that A1C can be improved by a low-carbohydrate diet in the absence of weight loss (see a review of evidence here)....
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The main ingredient for a potent powdered supplement, based on the diets of among the healthiest, longest-living hamlet in the world.
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According to one review, honey may help lower blood pressure, improve blood fat levels, regulate your heartbeat, and prevent the death of healthy...
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