Possible 2c, trying to embrace waviness...

in Hair Type 2
I'm trying to ditch hairdryer and straighteners and have natural hair. Its getting super crispy and doesn't even look that great when I straighten it.
I've hardly ever let anyone see me with natural hair since I was a kid except by accident, when it rains and I can't get to a hairdryer! I can't seem to get my waves/curls to be civilised though. Fluffy 80s mess.
Can anyone help me diagnose my hair problem? I am so new to this, but I think I have 2c hair, maybe? I have tried to upload a pic (did that work?!), it was taken after overnight air-drying in a pineapple on top of my head. This made it a bit better than air-drying down but still totally 80s fluffy.
Any advice much appreciated
I've hardly ever let anyone see me with natural hair since I was a kid except by accident, when it rains and I can't get to a hairdryer! I can't seem to get my waves/curls to be civilised though. Fluffy 80s mess.
Can anyone help me diagnose my hair problem? I am so new to this, but I think I have 2c hair, maybe? I have tried to upload a pic (did that work?!), it was taken after overnight air-drying in a pineapple on top of my head. This made it a bit better than air-drying down but still totally 80s fluffy.
Any advice much appreciated

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Comments
3A/f/i
Super baby fine hair, low porosity
Shampoos: SM Fruit Fusion (mostly), Avalon lemon (to clarify). Occasional aloe vera and glycerin to wash.
Stylers: Intelligent Nutrients Perfect Hold Hairspray
Treatments: Catnip tea, IA girl's PT, Fermented Rice Water, Catnip Tea, Amla tea, Irish Moss, SS PT
Wondering what a sealer is though! Would that be an oil type thing?
3A/f/i
Super baby fine hair, low porosity
Shampoos: SM Fruit Fusion (mostly), Avalon lemon (to clarify). Occasional aloe vera and glycerin to wash.
Stylers: Intelligent Nutrients Perfect Hold Hairspray
Treatments: Catnip tea, IA girl's PT, Fermented Rice Water, Catnip Tea, Amla tea, Irish Moss, SS PT
I was reading about conditioner-only washing, and wondered if you can do that but also use oils as a sealer? would you not need to use a shampoo to wash that out?
No problem. Ask away.
I don't see why not, if your hair can tolerate it. Some people CO wash but occasionally lo-poo etc. It takes experimenting to find out what your hair will take. Actually, CO washing in and of itself may give your hair lots of moisture. Sealing usually takes a lot of trial and error because each oil acts so differently in each head of hair. I've also heard of people using aloe vera juice/gel as a very lightweight sealer.
3A/f/i
Super baby fine hair, low porosity
Shampoos: SM Fruit Fusion (mostly), Avalon lemon (to clarify). Occasional aloe vera and glycerin to wash.
Stylers: Intelligent Nutrients Perfect Hold Hairspray
Treatments: Catnip tea, IA girl's PT, Fermented Rice Water, Catnip Tea, Amla tea, Irish Moss, SS PT