In the current era of rapid iteration in the personal care and daily chemical industry, consumer demand for hand care products has evolved from traditional basic moisturizing to multi-dimensional and high-standard demands for light skin feel, long-term moisture locking, barrier repair, safe formulas, and stable systems. The skin of the hands has sparse sebaceous glands. It is exposed to external stimulation such as water washing, external friction, temperature and humidity changes for a long time, and the stratum corneum is easily damaged, leading to problems such as dryness and scaling, fine lines and cracks, and a fragile barrier. Traditional hand creams mostly use a compound system of synthetic thickeners, mineral oils, and chemical stabilizers. There are common technical pain points such as sticky oil accumulation, poor moisturizing life, insufficient temperature stability, easy deactivation of active substances, and oil-water separation during long-term storage. As a new type of natural nano-polymer functional material, nanocellulose (CNF/CNC), with its unique nano-scale micro-network structure, ultra-high specific surface area, excellent rheological regulation performance and biocompatibility, perfectly solves the shortcomings of traditional hand cream formulas and becomes a high-end hand cream.
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