The full product name, Kertyol PSO Shampoo, is a rebalancing haircare solution designed for scalps with thick and dry loose dandruff plaques and intense itching. Developed with clinical insights from dermatology patients, this shampoo supports soothing relief while caring for the scalp and preserving hair color. It provides measurable improvements from the first application and throughout the treatment cycle.
Benefits and what to expect
- 77% reduction in itching from the first application, helping you feel calmer after every wash.
- 78% reduction in the thickness of plaques after one month, aiding to improve scalp smoothness and comfort.
- Respects hair coloring, so you can maintain vibrant color without compromise.
- Pleasant odor and easy to integrate into your styling routine.
- Facilitates styling by improving scalp condition and plaque management.
Key ingredients and why they matter
- Salicylic Acid — helps eliminate thick and dry plaques by promoting gentle exfoliation of the scalp surface.
- Védérine™ — strengthens the skin barrier and boosts physiological hydration of the scalp for nourished, comfortable skin.
- Ichtyol — helps limit thickening of dry plaques and reduces their reappearance over time.
- In addition, the formula includes a mild cleanser system and conditioning components to maintain hair manageability and ease of styling.
Usage and suitability
- Intensive phase: use 3 shampoos per week for 4 weeks.
- Maintenance phase: 1 shampoo per week, alternating with the Elution rebalancing shampoo. Its use once a week can help prevent reappearance of dry plaques.
- To be used in combination with or in conjunction with drug treatments.
How to store and handle: follow normal storage guidelines for personal care products and keep out of reach of children. For best results, use as directed and monitor how your scalp responds to the active ingredients.
How to use Kertyol PSO Shampoo
A practical routine to manage psoriasis-related scalp concerns while preserving hair color.
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Prepare
Wet hair thoroughly with warm water and apply a small amount of shampoo to the scalp.
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Massage
Gently massage the scalp to distribute the shampoo, focusing on areas with plaques or itching.
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Rinse and repeat
Rinse completely and repeat once if needed during the intensive phase, then follow the maintenance schedule as directed.
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Dry and style
Rinse thoroughly, towel-dry gently, and style as usual. Avoid heat styling if your scalp is irritated.
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Safety and reminders
If irritation occurs, discontinue use and consult a healthcare professional. Keep out of reach of children. Use in combination with other treatments if prescribed.
Frequently Asked Questions
Who is this shampoo for?
This product targets scalps with thick, dry dandruff plaques and intense itching, including those affected by psoriasis. It is designed to soothe itching and reduce plaque thickness while preserving hair color.
How should I use it during intensive treatment?
Use 3 shampoos per week for 4 weeks during the intensive phase, then switch to 1 shampoo per week for maintenance, alternating with a balancing shampoo as directed.
Are there any safety precautions?
Follow the included product instructions for usage. Do not use if sensitive to cosmetic ingredients; discontinue if irritation occurs. It should be used in combination with drug treatments as advised by your healthcare professional.
What ingredients contribute to scalp relief?
Salicylic Acid helps with plaque exfoliation, Védérine™ supports skin hydration, and Ichtyol helps limit re-thickening of plaques, contributing to overall scalp comfort.
Can I use this if I have color-treated hair?
Yes, the formula is designed to respect hair coloring, so color-treated hair can be cared for without color fading.










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