Using Hyaluronic Acid and Niacinamide especially together in the same skincare routine can cause pilling. I was experiencing this a lot with The Ordinary brand in particular but of course this can happen with other brands as well. #theordinaryskincare #theordinary #hyaluronicacid #skincaretips #skincareroutine #skincarepilling #skincaredonts #niacinamideserum #hyaluronicacidserum #greenscreen