Need a detangler for type 2a hair

My daughter has 2a hair and she likes to wear it long. Its easy to get the comb through a day or two after its washed but she gets very knotty at the ends, I can't even get through it with a tangle teezer. I'm after a chemical free detangler that is also light on oils. I've seen Knottyboy on ebay but not sure how much oil is in it.
Thanks in advance
Thanks in advance
Do not remove the kinks from your hair, remove them from your brain- Marcus Garvey
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Current - SL ; CBL stretched
Goal - HL curly
Pre-poo - HV Vatika Frosting
Wash - HV Amala Cream Rinse or SheScentIt (SSI) Jojoba Hemp Conditioning Shampoo (to clarify)
Leave-in - SSI Coco Creme Leave-In/Green Grape then seal with HV Cocasta Shikakai Oil or Komaza Coconut Curl Spray plus Coconut Curl Hair Lotion
DC - SSI Banana Brulee
Edges/twist outs - KCCC/Komaza Coconut Curly Pudding/Curl Gel-les`c
Still sampling...just the PJ in me:toothy8:
2cFi, normal porosity & elasticity