1. How to measure the density of Cosmetic sponge:
Test equipment: a sponge, a glass of water, a measuring tube, a balance, sand Uses: to determine the density of sponges
The formula: p=m
1. Put it together with the sponge and sand, and then use a balance to measure the total mass of the sponge and sand, and record it as M.
2. Take away the sponge, measure the quality of the sand with a balance, and record it as m sand.
3. Calculate the mass of the sponge, that is, m cotton=M-m sand
4. Pour the cup of water into the graduated cylinder and measure the volume VO of the water.
5. Put the sponge into the graduated cylinder and wait until the liquid level of the water in the graduated cylinder no longer changes, measure the volume of the water in the graduated cylinder and record it as V1.
2. How to clean makeup sponge
Faced with a variety of makeup sponges, how to choose? There are mainly the following types of makeup sponges:
(1) Fine texture: the surface has small voids and is smooth to the touch. In addition to washing the face, this sponge also has basic functions.
(2) Large surface gap: This kind of sponge has excellent skin function, but because of its rough surface, it will also cause great damage to the skin, so it is not suitable for frequent use, otherwise it will leave terrible sequelae.
Wash it off with soap or detergent, but most importantly!
1 Apply facial cleanser or soap on a wet cleansing sponge, poke it for the first time, then wring it out.
2. Mix with facial cleanser or soap and water, spread a clean sponge in the water, wait for the sponge to absorb water, wait for the sponge to sink to the bottom, pick it up, and wring it dry.
Lide Sponge Co., Ltd. mainly develops and produces all kinds of sponge products. Make-up sponge is one of our products. All specifications can be specified according to your requirements. Welcome to make any inquiries about our products.
