What It Is
An anti-dandruff ingredient used in some cosmetic scalp-care formulas.
Why It Is Used
This ingredient may appear in hair or scalp products for a specific functional or cosmetic reason. The effect of a finished product depends on the full formula, concentration, usage instructions and individual response.
Practical Considerations
Check the product label, follow directions, and stop use if significant irritation occurs. Health-sensitive or medicated products may require additional professional guidance.