Yes you can! The succinic ‘acid’ that Baltic Amber releases into your skin is actually an ‘alkalinizing’ acid, like lemon juice. So it’ll work in tandem with your hazelwood, not cancel each other out. We do not, however, recommend wearing more than one necklace at a time. Because the child sized necklaces are designed with a safety release that opens up in the event of it getting caught on something (to prevent choking), wearing two necklaces would cut in half the weight-stress placed on each necklace and might impede the safety mechanism from doing its job. Instead, we suggest you try a hazel-amber necklace (with some of each substance) or using one of them as a necklace and the other as a bracelet or anklet (by wrapping it twice around the desired extremity).