If you are using coconut oil in that case always choose an extra virgin. In the case of castor oil always choose cold-pressed because in cold-pressed castor oil all the nutrients will remain the same because in this process oil extracted from beans under great force without heating.
Note: Avoid oiling if in case your scalp is already oily. Please remember one thing if your skin is oily or your scalp is oily in that case don’t use oil on your hairs.