How to smooth frizzy hair<br>Wash with a moisturizing shampoo. Frizz is often caused by dryness, so it's important to restore moisture to your hair in the shower. Always use a sulfate-free shampoo.
Frizz is not caused by dryness 100% of the time, or in all cases.
With the context saying "Frizz is often caused by dryness," this implies that dryness does not do so every single time / 100% of the time.
( z1 cause :polarity - :ARG0 ( z2 dry :frequency ( z3 or :op ( z4 percentage-entity :value 100 :ARG3-of ( z5 include :ARG2 ( z6 time ) ) ) :op ( z7 case :mod ( z8 all ) ) ) ) :ARG1 ( z9 disease :name ( z10 name :op "Frizz" ) ) )