I don't know about drugstore, but tomorrow I'm going to try aloe vera gel with a few drops of oil.. Olive or castor.. I don't have any cheap stylers here where I live and also they weigh my waves down.. I don't know if I have been of any help to you though..

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HAIR TYPE -2a-b, black, mostly medium
CO WASH, RO-HE HH and ENLEVEN and GARNIER RANGE
CLARIFY- I use sulphate shampoos silicone free(diluted), vinegar rinses
DC-pure coconut oil, olive oil, sometimes a SMT
LI-aloe vera gel + castor oil
I'm currently at BSL, aiming for waist length.I'm a very impatient person, wish me luck
I love my flat iron, but I love my waves even more. :-D