DSC is an automated calling system that is part of the. Global Maritime Distress and Safety System (GMDSS). GMDSS is a major overhaul of the. international system governing safety radio equipment on commercial ships to improve safety on. the high seas. DSC provides automated distress calls and limited automation of ship-to-ship and.
Applying a vitamin C serum topically to the skin can essentially keep your skin from turning brown (preventing and fading brown spots due to its melanin suppressing properties), as well as making your skin look brighter, fresher with a youthful glow.
Vitamin C: This antioxidant vitamin stimulates your skin's production of collagen and elastin fibers, making it firmer and more elastic. To give your skin a solid dose of C, look for products that contain at least a 10 percent concentration of L-ascorbic acid. Vitamin C may also work from the inside out. Here's how.