Down the side of the audiogram, there is a measure of loudness. At the top of the graph are the very. quiet sounds, going down to moderate, and then very loud sounds. The points (red circles and blue. crosses) marked on the graph represent the quietest sound which can be just heard.
Steps. 1  1. Wait at least 3 days to wash newly permed hair, or your perm would not last as long. 2  2. Use hair care products that are safe for permed hair 3  . 3. Wash your hair gently (don't scrub too hard or your hair will tangle up)(your hair is very porous and fragile). 4  4. Gently rinse your hair.
Report Abuse. However long it takes for your hair to grow out is how long it will take for the perm to wear off. You could always blow dry it straight every day, which is not something I recommend due to the frizz factor, but the perm will wear off.bee Â· 9 years ago.Thumbs up.0.owever long it takes for your hair to grow out is how long it will take for the perm to wear off. You could always blow dry it straight every day, which is not something I recommend due to the frizz factor, but the perm will wear off. bee Â· 9 years ago. Thumbs up. 0.