Green synthesis of nanoparticles by biological systems especially plant extracts has become an emerging field in nanotechnology. In this study, zinc oxide nanoparticles were synthesized using Laurus nobilis L. leaves aqueous extract and two different zinc salts (zinc acetate and zinc nitrate) as precursors. The synthesized nanoparticles were It’s important to wear sunscreen on a daily basis, but it’s also important to wear the right type of sunscreen. There are two types of sunscreens that you can use: mineral vs. chemical sunscreen. Mineral sunscreen, or physical sunscreen as it’s sometimes called, contains the active ingredients zinc oxide or titanium dioxide. However, not all forms of zinc oxide are created equal. In this article, we will explore the difference between non-nano and nano zinc oxide and why non-nano zinc oxide is the preferred choice for many consumers. Zinc oxide is a mineral that has been used for centuries to protect skin from harmful UV rays. Based on Table 2, it has shown that SDS has greater zeta potential compared to other surfactants. This indicated that nano zinc oxide dispersion containing SDS has better stability as it has The release rate of Zn 2+ from nano-ZnO was similar to the non-nano formulations. Release rate of Cu 2+ was initially higher from the non-nano Cu formulation, but after 2–4 weeks, release was similar from the nano coating and proportional to Cu content. Adding nano Cu to the Coppercoat mixture had to be limited, since it significantly HgnS7kA.