What vitamin deficiencies cause dry or oily hair?

Sebaceous Gland Function and Hair Health

Sebaceous Glands:

- Produce sebum to protect skin and hair.

Dry Hair:

- Cause: Deficiency in vitamins A, D, and E.

- Remedies:

- Virgin cod liver oil.

- Purified bile salts if needed.

- Leafy greens, nuts, and seeds for vitamin E.

Oily Hair:

- Cause: Zinc deficiency, high insulin levels (e.g., PCOS).

- Remedies:

- Healthy Keto® and intermittent fasting.

- Zinc-rich foods: seafood, oysters, red meat, liver.

- Address digestive issues, avoid grains and alcohol.