And younger, too, if that’s one of your goals. ![]() ![]() “Skin hydration is important because hydrated skin looks more plump, healthier, and more vibrant,” Marchbein says. Compromised skin barriers can play a role in many skin conditions, including dry skin, atopic dermatitis, rosacea, and acne, according to a study in the Journal of Allergy & Therapy. When the skin barrier is not intact, it can let bacteria in, which can lead to infection, according to a study in BMC Research Notes. “Poorly hydrated skin is unable to maintain an appropriately intact skin barrier, leaving the skin more vulnerable to damage from external and environmental sources,” Marchbein says. To understand how important moisture is for the skin, you have to first know that dehydrated skin - when the top layer of skin doesn’t have enough water - appears dry, rough, and flaky, Marchbein says. The key benefit of hyaluronic acid is hydration and that unbelievable ability to retain moisture. RELATED: The Skin-Care Glossary Every Woman Needs What Are the Benefits of Hyaluronic Acid? It can absorb more than 1,000 times its weight in water, Dr. “Hyaluronic acid attracts and binds to water molecules and increases the water content of the skin,” says Shari Marchbein, MD, a board-certified dermatologist in private practice in New York City. The good news is that topical products that feature hyaluronic acid, whether as part of the ingredients list in a moisturizer or as the star of a serum, can help rebuild those depleted stores, says Bonnie Gasquet, MD, an internal medicine physician at Studio Health medical center in Belle Chasse, Louisiana. Age is one reason, research shows, but environmental factors - such as smoking and air pollution - also accelerate this process, according to another past study. Over time, your body’s stores of hyaluronic acid decline. These molecules work to cushion and lubricate, and they’re found naturally in the body’s connective tissues, notes the Cleveland Clinic. Technically, it’s a group of sugar molecules called polysaccharides, according to a past study. Here’s a scientific guide that touches on the basics of hyaluronic acid. There’s a reason it’s ubiquitous: Not only does hyaluronic acid do a killer job when it comes to moisturizing the skin, but it minimizes signs of aging, since plump, hydrated skin makes fine lines and wrinkles less visible. You’ll find it as an active ingredient in seemingly every skin-care product category under the sun - serums, cleansers, moisturizers, and more. So if you use a soap and you notice your skin is becoming dry, now you know why.If there’s one skin-care ingredient that puts you in the fast lane to hydrated skin, it’s hyaluronic acid. Oh, and one more thing: alkaline pH inhibits enzymes that help ceramide synthesis in our skin. Along with ceramides 4 and 7, they also play a vital role in epidermal integrity and serve as the main storage areas for linoleic acid (a fatty acid that's also very important for barrier repair). It's believed that ceramide 1 plays a "binding role" in the lipid layers of the extracellular matrix. ![]() It contains the essential fatty acid, linoleic acid and has a unique structure. Our current one, Ceramide 1, or more recently called Ceramide EOP, was the first one that was identified in 1982 and it's a special snowflake. It's because there are lots of different ceramides, a 2014 article writes that currently 12 base classes of ceramides are known with over 340 specific species. Chemically speaking, ceramides are the connection of a fatty acid and a sphingoid base and both parts can have different variations that result in the different types of ceramides. So far we were writing about ceramides in plural. The BeautyBrains blog made a fantastic article about ceramides and they have listed a couple of examples about studies showing that ceramides - especially when used in certain ratios with cholesterol and fatty acids - do hydrate the skin and can help to repair the skin barrier. Now the question is only this: If we put ceramides all over our face do they work as well as ceramides already naturally in our skin? Well, the answer is probably a no, but they do work to some extent. So ceramides form kind of a "water-proof" protecting layer and make sure that our skin remains nice and hydrated. If ceramides in the skin are decreased, more water can evaporate from the skin and there is less water remaining in the skin. Ok, so now we know what ceramides are, let's see what they do in our skin: research shows clearly that they play a super important role in keeping the skin barrier healthy and the skin hydrated.
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