You might be interested to read this article about natural home remedies for Dandruff
https://www.healthline.com/nutrition/ways-to-treat-dandruff#2.-Use-Coconut-Oil

i am not sure about natural solutions. maybe google it and find a blog for someone who has tried some methods

Check out the 42 ways to use lemons blog and there was something there about using a lemon for dandruff.

Selsun Blue works best for me. The gold one for more stubborn dandruff afflictions