Serums are the perfect consistency - they aren’t water-like, but they also aren’t too thick. They are just thick enough to easily mix with one another, not fall through your fingers, and then easily be applied on to the skin.
It is also worth noting that ingredients with thicker consistencies like creams are not the best choice for a cocktail, as they are best suited for a LAST step to lock in moisture and seal in any previous topicals applied to the skin. Although, Mikel Kristi Skincare Moisturizers and Lotions are formulated to work synergistically with our serums, so they can be cocktailed when you’re short on time or when your skin doesn’t feel overly dry.