The Scent Reserve offers a range of affordable fragrances that are said to resemble expensive brands. Customer reviews on their website and other platforms are generally positive, with many praising the scents for being similar to the original fragrances and long-lasting. However, some negative reviews also exist, with complaints about the similarity to alcohol, the longevity of the scents, and the similarity to the original fragrances. The specific ingredients or materials used in the fragrances are not explicitly mentioned in the provided search results.