The Therapy First-Step Anti-Aging Serum by Face Shop is a standout product with exceptional packaging. The reviewer, carly, praises the serum's glass packaging, describing it as stunning and top-notch. Moving on to the formula, carly emphasizes its effectiveness in combating signs of aging. This serum is recommended as the initial step in a skincare routine, following double cleansing. Even if you already use retinol and sunscreen, carly suggests incorporating this lightweight serum for optimal results. The serum absorbs quickly into the skin without any noticeable scent. Overall, carly highly recommends The Therapy First-Step Anti-Aging Serum for those concerned about aging, promising impressive results.