• comment se protéger du soleil
    Health,  Safety,  Tips and tricks

    Understanding UV rays and sun protection

    For the most part, we love basking in the sun on beautiful summer days. As well as being enjoyable, reasonable sun exposure with sufficient protection offers several benefits, for example by activating vitamin D production. Nevertheless, overexposure and poor protection can lead to premature aging of the skin or even skin cancer. To avoid these serious problems, let’s take a closer look (figuratively speaking!) at these notorious UV rays in order to understand them better and learn how to protect our skin from the sun. What are UV rays? The sun emits several kinds of electromagnetic waves: infrared, visible spectrum, and ultraviolet. The shorter the wave, the greater its energy—and…

  • Safety,  Soaps

    Using Sodium Hydroxide Safely

    Always wear safety goggles (eyeglasses will not suffice). If sodium hydroxide comes into contact with your eyes it can cause permanent blindness. Always wear nitrile gloves (not latex) and long sleeves. Cover as much skin as possible. Chemical burns caused by sodium hydroxide are “slow” burns. These burns cause itchy, stinging sensations that feel less intense than thermal burns. Nevertheless, it is important to act quickly and treat the burn as soon as you feel these sensations. If you feel any itching or stinging, rinse immediately with cool water for 1 minute. Use only stainless steel, plastic or silicone tools when handling sodium hydroxide. Sodium hydroxide will erode pans made…