Can I use handmade cosmetics?

Can't use, the degree of standardization of handmade cosmetics is not high, and the effect is unstable.

Due to the characteristics of handmade cosmetics, there are obvious defects, that is, the stability and consistency of handmade cosmetics cannot be guaranteed. Taking handmade soap as an example, due to many factors such as raw materials, technology and technology, it is difficult to ensure the pH value of handmade soap in small workshops, which may lead to significant differences in pH values of different batches of handmade soap. Handmade cosmetics are unstable and inconsistent, and are not very friendly to skin care. The handmade cosmetics bought for the first time may have a good effect, but the same handmade cosmetics bought for the second time may have no effect or even negative effects.