The preparation for sunscreen spray production is the foundation of quality, with the core focus being on raw material selection and formula adjustment. In terms of raw materials, it is essential to prioritize sunscreen agents that meet national cosmetic standards (such as zinc oxide and titanium dioxide), balancing both sun protection effectiveness and mildness. Especially for products targeting sensitive skin, irritating ingredients (such as alcohol and strong preservatives) should be avoided, while selecting solvents and moisturizing ingredients with a light texture to prevent issues like greasiness or clumping in the spray.

After screening, a random inspection of the raw materials of the sunscreen spray is required, preventing substandard materials from entering the production process. This is also key to confidently guaranteeing product quality when dealing with customers later on. Formula adjustments need to be based on market demand; for example, for summer outdoor scenarios, the focus is on increasing the proportion of waterproof and sweat-resistant ingredients; for daily commuting, the focus is on freshness and ease of reapplication. During the adjustment process, the SPF value, texture, and spray smoothness need to be repeatedly tested to ensure formula stability and avoid issues like failure to spray, bead formation, or severe whitening.

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