At present, sunscreen products mainly use physical sunscreen agents and chemical sunscreen agents to achieve sunscreen purposes, such as titanium dioxide, zinc oxide and other physical sunscreen agents and methoxycinnamate isooctyl chemical sunscreen agents. The advantage of chemical sunscreen is that it can be dissolved in the oil phase, and the product made is fine in texture and light in skin. The disadvantage is that it will slowly decompose under the action of ultraviolet rays, and the sunscreen effect will be poor. Therefore, in order to ensure that the product has a sufficiently high SPF value, it is bound to increase the amount of chemical sunscreen in the formula. The chemical sunscreen itself easily penetrates into the skin, and the small molecules after degradation are more easily absorbed by the skin. Therefore, a large amount of chemical sunscreen will increase the irritation of the product and easily cause skin allergies. The biggest advantage of physical sunscreens is that they are inert, do not photodegrade, and there is no problem with skin absorption. This is the reason why physical sunscreens are considered safer than chemical sunscreens. However, its disadvantages are also very obvious: sunscreen particles are easy to agglomerate and deposit, and the skin feel and feel are not good when used, especially for products with high SPF, is it a big problem to spread evenly on the skin?

If a small amount of fumed silica is added to the formulation. The product can easily solve this problem. The added fumed silica can form a protective layer on the surface of titanium dioxide and zinc oxide particles, filling its uneven surface and weakening the attractive force between the particles. Reduce the possibility of reunion. Make the system more uniform and more stable; At the same time, the additional thixotropic properties can help the product spread evenly on the skin surface, improve the skin feel and feel during application, and improve the product performance.

Fumed silica has always been an unfamiliar raw material in the field of personal care products. Due to its ultra-light solid form and various unusual and interesting properties, it has cast a mysterious veil on its application in the field of personal care products.

In recent years, with the increasing understanding of fumed silica, it has been increasingly used in personal care products such as skin care products, sunscreens, makeup, antiperspirants, hair care products, shower gels, facial cleansers and the like. In particular, it better solves the problem of suspension of solid particles at low viscosity. In addition, it can give the system excellent thixotropy, making it an essential raw material in high-end skin care products, liquid foundation, mascara and lip gloss One. With the deepening of people's research, the application of fumed silica in personal care products will become more widespread.
 
1. Make-up products
Nail polish: increase viscosity, improve suspension stability and overall stability, and ensure uniform pigment distribution. (Suggested addition amount is 0.25% -4.0%)
Lipstick: increase viscosity, improve overall stability, uniform pigment distribution, improve temperature resistance, and prevent discoloration. (It is recommended to add between 0.25% -4.0%, such as foundation or lip balm can be used up to 10%)
Make-up and eye care: Including compact powder, foundation, blusher, eye shadow, eyebrow and eyeliner. Fumed silica is a highly effective anti-caking agent and free-flowing agent, which can improve storage stability and powder product dispersibility.