It is based on the severity of the outbreak.
- Itching  – you should notice results right away within minutes as the itching dissipates.
- Flakiness and dandruff, inflammation, redness, bleeding, scalp pimples
Generally for dry scalp, you should notice results within 3-4 weeks when used as directed.
For more aggressive scalp conditions, you should notice results within 4 – 8 weeks when used as directed.