Leave-ins for low dews?

During the summer months, I didn't use a leave-in because it just seemed to weigh my hair down. Now that lower dews are here, it seems like my hair is liking a leave-in more, but I'm still having difficulty keeping my hair hydrated. I'm wondering how other wavies and curlies deal with leave-ins in the drier months. Do you switch to a heavier leave-in, or do you just use more of a lighter one?
Low poo: Intelligent Nutrients (IN) Harmonic; Oribe Cleansing Creme
RO: IN Harmonic
LI: CJ Beauticurls; Jessicurl (JC) Gelebration Spray
DC: JC Deep Conditioning Treatment; Weleda Rosemary Conditioning Oil
Stylers: JC Confident Coils; IN Volumizing Spray; IN Perfect Hold Hairspray; John Masters Sea Mist; Bumble Bb. Gel; Kenra Firm-Hold Gel; Sevi Blue Yarrow Sea Salt Spray
Low-porosity 2a/b baby-fine hair
RO: IN Harmonic
LI: CJ Beauticurls; Jessicurl (JC) Gelebration Spray
DC: JC Deep Conditioning Treatment; Weleda Rosemary Conditioning Oil
Stylers: JC Confident Coils; IN Volumizing Spray; IN Perfect Hold Hairspray; John Masters Sea Mist; Bumble Bb. Gel; Kenra Firm-Hold Gel; Sevi Blue Yarrow Sea Salt Spray
Low-porosity 2a/b baby-fine hair
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Comments
3a, some 2c & 3b, medium texture, porosity normal, low elasticity :-(
washing/cowashing, conditioning, protein tx: curl junkie products
leave in:curl junkie conditioners and treatments as leave in
styling: curl junkie
sealants - jane carter nourish & shine
RO: IN Harmonic
LI: CJ Beauticurls; Jessicurl (JC) Gelebration Spray
DC: JC Deep Conditioning Treatment; Weleda Rosemary Conditioning Oil
Stylers: JC Confident Coils; IN Volumizing Spray; IN Perfect Hold Hairspray; John Masters Sea Mist; Bumble Bb. Gel; Kenra Firm-Hold Gel; Sevi Blue Yarrow Sea Salt Spray
Low-porosity 2a/b baby-fine hair