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.
How soon should you wash your hair after its relaxed?   You should wait at least twelve days before shamapooing your hair after getting it relaxed or colored. If you have a relaxer, perm, or color trreatment you should wait aâ¦t least two months before going swimming in a chlorine treated pool. If not you will experience a little breakage. After swimming, you wash your hair and condition it very well. Let the conditioner sit for at least 30 minutes.