It’s not so much in the washing as it is in the drying and styling time required afterward.
Depending on your hair texture, it can take longer than expected.
In fact, it’s notsafe to straighten wet hair.
“Hair should be bone dry when you straighten.”
This causes immediate hair damage as the inner layers and cuticles of the hair basically fry.
The end result is hair breakage, frizz, and dried-out split ends.
Blow-drying on curly or kinky hair would also make the flat ironing process a lot easier."
Using heat on hair that is damp can result in hair damage (viaCosmopolitan).
Another consideration is the health of your hair.
