Home Remedies - Hair Loss Treatments. • Boil dried rosemary in a pan of water to use as a rinse. • In a cup of coconut oil, boil 10 neem leaves and use for hair loss due to fungal scalp infections. • Mix 4 drops of rosemary essential oil to a cup of olive oil and use topically on scalp. • For fungal infections and severe dandruff that causes hair loss, mix 4 drops of tea tree oil to your regular hair oil and use on alternate nights before sleeping.