One issue that comes up when you use quotation marks is where to put other punctuation like periods, commas, and question marks. Should they go outside of the quotation marks or inside? The issue is complicated because there are two different accepted answers: one for American English and another for British English.ne issue that comes up when you use quotation marks is where to put other punctuation like periods, commas, and question marks. Should they go outside of the quotation marks or inside? The issue is complicated because there are two different accepted answers: one for American English and another for British English.
For a PERMANENT Color Result, 20 Volume is the MINIMUM recommended Volume. If your hair is dark already-Medium Brown To Black, then 10 Vol. will give a Long-Lasting (But NOT Permanent) color that will deepen and enrich the shade for about 15 to 20 washes.eport Abuse. 10 volume lifts 1 level and deposits (goes darker), 20 volume lifts 2 levels, 30 volume lifts 3 levels, and 40 volumes lifts 4 levels. This is increased 1/2 a level with bleach. So if you are dying your hair black 10 volume is the right one to use. Source(s): I am a hair stylist.
Â· just now. 1  20 developer is something you mix with bleach to strip the hair color. 2  Depending on what color you are, and what color you are going to, determines which developer you need to use (not white or clear, but the volume of developer). There are so many factors in this-- need more info to help. I will help you, but I need more-- is your hair natural (not colored at all)?