Stock Oils are oils that are not edible. Non of the oils sold are consumable.    They can be used as an additive to your hair oil, shampoo,  conditioner or alone. 

Avocado oils are beneficial in improving scalp conditions  and hair stabilization for growth.

Rose oils are beneficial in adding luster to your hair.  It makes the scalp healthier.

Aloe has an enzyme that helps to break down dead skin cells on the scalp that may clog hair follicles.