Dandruff often results from deficiencies in vitamins B6, B7 (biotin), and zinc, which play important roles in scalp health. These nutrients help regulate sebum production, reduce inflammation, and promote skin cell turnover.
Seborrheic dermatitis, the medical term for dandruff, occurs when the scalp produces too much oil, leading to irritation and flaking. Vitamins B6 and B7 help metabolize fats and proteins, while zinc supports immune function and wound healing. Without enough of these nutrients, the scalp becomes prone to fungal overgrowth and inflammation.
| Vitamin/Minera | Role in Scalp Health | Deficiency Symptoms |
|---|---|---|
| Biotin (B7) | Regulates keratin production | Hair thinning, redness, and excessive flaking |
| B6 | Supports fatty acid metabolism | Scalp dryness and itching |
| Zinc | Boosts immune response | Slow-healing scalp irritations |
Many assume dandruff stems solely from poor hygiene or stress, but research shows nutrient deficiencies are a major factor. A 2018 study in the Journal of Cosmetic Dermatology found that 42% of dandruff cases improved with biotin supplementation.
Incorporate more eggs, nuts, and whole grains into your diet to boost B6 and B7 levels. For zinc, focus on oysters, beef, and pumpkin seeds. If symptoms persist, consult a dermatologist for targeted treatments.
I noticed significant improvement in my scalp condition after adding more salmon and sunflower seeds to my meals, which are rich in B vitamins and zinc. The flaking reduced within three weeks.