Abstract: The present invention belongs to mosquito repellent technical field, and specifically a mosquito repellent composition, preparation method and application thereof. The mosquito repellent composition comprises following ingredients and mass fractions thereof: composite plant oil 7-10 parts, gromwell root extracts 3-5 parts, Vitex rotundifolia extracts 1-3 parts, sustained release agents 1-2 parts, emulsifying agents 2-4 parts, stabilizing agents 0.1-0.3 part, and water 165-182 parts. The mosquito repellent composition provided in the present invention doesn't contain chemical ingredients such as DEET and methothrin etc., and works in combination with natural plant essence oil, which is highly safe, free from irritation, allergic reactions and other side effects, and can be used to repel mosquitoes safely, gently and is suitable for long term use.

Abstract: An automatic cosmetic bottle capping having a first conveyor belt, a second conveyor belt, and a third conveyor belt. A sliding convex is provided at a surface of the first conveyor belt, a capper is movably sleeved on the first conveyor belt, a suction tip is provided in the capper, rolling balls are provided inside the capper, a through-hole is provided in an external surface of the capper, a capping claw is provided on a lower end of the capper, a positioning plate is provided on an upper end of the capper, springs are provided at a lower end of the positioning plate, a hole plug is movably connected outside the through-hole, and a cap is provided on a front end of the second conveyor belt.

Abstract: The present disclosure relates to the technical field of sanitary cleaning products, and more specifically to a silver ion bacteriostatic hand sanitizer and preparation method and application thereof. The silver ion bacteriostatic hand sanitizer is provided, including: 0.01˜0.03 parts by weight of silver, 0.02˜0.08 parts by weight of silver sulfate, 1˜5 parts by weight of humectant, 10˜18 parts by weight of skin conditioning agent, 0.3˜0.8 parts by weight of preservative, 0.1˜0.5 parts by weight of sodium dodecyl benzene sulfonate, 0.8˜1.8 parts by weight of ethylhexylglycerol, 1˜5 parts by weight of propylene glycol, 3˜6 parts by weight of NONOXYNOL-14, 1˜6 parts by weight of PEG-50 castor oil, 0.01˜0.05 parts by weight of flavor and 80˜120 parts by weight of deionized water. The silver ion bacteriostatic hand sanitizer has the advantages of high-efficiency bacteriostasis, sterilization and itching relief, mild performance and no stimulation, and keeps the hands moisturized.