'SSIC - Standard Subject Identification Code', All Acronyms, 17 January 2018, <https://www.allacronyms.com/SSIC/Standard_Subject_Identification_Code> [accessed 17 January 2018] Bluebook All Acronyms, SSIC - Standard Subject Identification Code (Jan. 17, 2018, 12:01 AM), available at https://www.allacronyms.com/SSIC/Standard_Subject_Identification_Code. CSE All Acronyms. SSIC - Standard Subject Identification Code [Internet]; January 17, 2018 [cited 2018 JAN 17].
Set your timer for 1 minute and wait. You can keep the etching cream on the glass longer and you will get a more intense etch, but the manufacturer (and I) suggest you start with the recommended 1 minute. When the minute is up, run the glass under luke warm water to remove the etching cream.
All you do is separate the egg white from the yolk, use a old makeup brush (a clean one) to spread it onto your face, then once the first layer is finished drying grab some toilet paper and place it on your face, applying another layer of the egg white, wait about 30 minutes and you're all good.