The NIVEA Cellular Expert Lift Serum is noted to promote smoother skin, with observations of increased firmness, tightness, and a lifted appearance. Fine lines and wrinkles are often reported as reduced or softened, and the skin typically feels hydrated and moisturised. Users frequently mention a radiant or brighter complexion, with benefits often extending to the neck and décolleté areas, contributing to a more youthful look. The serum generally absorbs quickly and is often described as easy to apply, requiring a small amount. A pleasant scent is commonly reported, and a non-greasy finish is observed by some. Conversely, a sticky or tacky feeling on the skin is reported. Some users did not observe significant results or expressed disappointment. Instances of skin dryness or breakouts have been mentioned. Minor feedback includes difficulty in monitoring product levels within the packaging.