While it is possible to layer two serums on the face, you need to carefully consider the specific activities ingredients in each one before doing so. Layering too many products can not only dilute the effectiveness of each individual product but it has the potential to irritate the skin. When too many active ingredients are applied to the skin at once, the strength of the ingredients may cause the skin to become sensitised. This is of particular concern in the case of layering serums with exfoliating acids, such as AHAs and BHAs. A safer approach is to use one targeted serum that addresses a specific skin concern, or an all-in-one serum like the Active Compound that replaces multiple serums in one product. Active Compound is a multi-correctional serum designed to replace 6 products in your routine. This all-in-one serum brightens, tightens, hydrates, renews, balances, and defends. Target signs of ageing with encapsulated retinol that promotes cellular turnover while 4 different weights of hyaluronic acid hydrate and plump. Niacinamide and active plant growth factors work together to stimulate collagen production, minimise the appearance of large pores, and reduce pigmentation for a more even complexion.