Brands like The Ordinary and Dr. Barbara Sturm sell similar products at radically different prices.
. “Look for products that pair with other types of hydrators such as glycerin, glycols, urea, panthenol, sodium PCA, etc. One ingredient won’t solve all your moisturizing troubles — skin hydration is a team effort.”What drives up the cost of hyaluronic acids? A few things: molecular weight, added ingredients and product packaging.
“There are some studies that suggest smaller molecular weight HA can penetrate somewhat better and can have long-term anti-aging benefits on top of hydration,” Fu said. The Ordinary’s $7 HA formula combines low, medium and high molecular weight hyaluronic acid, while Dr. Sturm’s $300 HA uses short- and long-chain molecules . For those of us who weren’t paying attention in chemistry class, Zeichner kindly breaks the science down for us.
“Smaller molecules can better penetrate through the outer skin layer to give more of a plumping effect,” Zeichner told HuffPost, explaining that the smaller molecules can go deeper into the skin. “Long-chain HA, because of its large size, does not penetrate well through the skin and provides a hydrating effect to the outer skin’s layer.
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