EpiLynx

What is Hyaluronic Acid and Why Is It Trending? If you’ve been scrolling through skincare TikTok or browsing beauty blogs lately, you’ve probably seen the phrase hyaluronic acid everywhere. And for good reason -  it’s one of the most effective, well-researched hydrators in skincare. Hyaluronic acid (HA) is a naturally occurring sugar molecule found in your skin, eyes, and connective tissue. It’s your body’s built-in moisture magnet -  able to hold up to 1,000 times its weight in water (source). In skincare products, HA helps replenish and lock in hydration, making skin look plump, smooth, and healthy. But for those with dry, sensitive skin, it’s not just a “nice-to-have” ingredient -  it can be a game-changer. The Science: How Hyaluronic Acid Hydrates at a Cellular Level Unlike heavy creams that simply sit on top of the skin, hyaluronic acid penetrates into different layers of the skin to bind water and keep it there. There are multiple molecular weights of HA: High molec...

What is the Skin Barrier -  and Why Does It Matter? Your skin barrier -  also known as the stratum corneum -  is the outermost layer of your skin. It acts like a protective wall, keeping moisture in and harmful irritants out. A healthy skin barrier means: Plump, hydrated skin Fewer breakouts and irritations Better resilience against pollution, UV rays, and temperature changes When your barrier is damaged, it can’t do its job -  leading to redness, dryness, flaking, breakouts, and increased sensitivity. Signs of a Compromised Skin Barrier Persistent dryness or flakiness Increased redness or sensitivity Burning or stinging after applying products Sudden breakouts Skin that feels tight or rough Common Causes of Barrier Damage Over-exfoliation with acids or scrubs Harsh cleansers that strip natural oils Environmental stress (cold wind, heat, pollution) Overuse of strong actives like retinol or high-strength vitamin C without proper hydration Underlying skin conditions li...

Why Order Matters in Skincare Your skincare routine isn’t just about what you use it’s about how you use it. Applying products in the wrong order can make them less effective, cause pilling, or even lead to irritation. For sensitive skin, proper layering is even more important. By starting with lightweight hydrators and finishing with richer creams, you create a barrier that seals in actives while protecting your skin from irritation. The Golden Rule of Layering Skincare Apply products from thinnest to thickest consistency. Thin liquids and serums go first so they can absorb deeply. Thicker creams and oils go last to lock everything in. This method ensures your skin gets maximum benefits from each step — without blocking absorption. Step-by-Step Skincare Layering for Sensitive Skin Step 1: Cleanser Morning and night, start with a gentle, low-pH cleanser to remove dirt, makeup, and excess oil without stripping the skin.  Pro Tip: For extremely dry or sensitive skin, you can skip cl...