The best oils for hair growth and thickness include rosemary oil, castor oil, batana oil, argan oil, and amla oil.

• Rosemary oil is highly regarded for stimulating blood flow to the scalp, reactivating hair follicles, and combating hair loss related to DHT. It has been shown to be as effective as minoxidil in promoting hair growth.
• Castor oil is rich in ricinoleic acid, which boosts scalp circulation and enhances hair follicle growth, making hair fuller and thicker.
• Batana oil deeply moisturizes, repairs damage, and supports regrowth, especially for damaged or chemically treated hair.
• Argan oil is lightweight and protects finer hair types from damage, boosting softness and shine without heaviness.
• Amla oil, used in Ayurvedic medicine, nourishes the scalp, strengthens roots, and promotes blood flow for thicker volume.

These oils nourish the scalp and hair follicles, enhance blood circulation, and strengthen hair strands from root to tip, making them effective choices for achieving thicker, healthier hair.