The Harry Potter Brew It Yourself Swelling Serum is a fun and unique product inspired by the popular Harry Potter franchise. Made in China, this serum allows fans to personally create their own magical potion with a swelling effect. While it is not personalised, it still offers a magical and immersive experience for fans of the series. Whether used for novelty or for skincare purposes, this product is sure to delight any Harry Potter enthusiast. No instructions with it whatever is in pictures is included
