Concealer: Since MaxFactor created concealer in 1954, all kinds of effective products with new technology and improvement have been introduced successively, such as containing a...
Sep 12, 2020
According to August 27, 2007, released by the general administration of quality supervision, inspection and quarantine "cosmetics identity management stipulation", cos...
The modern vacuum flask was invented by the English physicist Sir James Dewar in 1892. He was on a gas liquefaction research work, liquefied gas in low temperature, first of all...
Sep 02, 2020
1. When using the dropper, squeeze the rubber nipple with your finger to drive out the air in the dropper, and then stick the dropper into the reagent bottle. Let go of your fin...
When adding drops, the dropper should be kept straight above the container, avoid tilting, do not stand upside down, do not reach into the container, and do not touch the contai...
Jun 18, 2020
May 29, 2020
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Mar 21, 2020