Ducray Kertyol P.S.O. Shampoo for Psoriasis-Prone Scalp, 6.7 oz — Micronized Sulfur & Salicylic Acid Soothes Irritation

Ducray Kertyol P.S.O. Shampoo is a targeted cleansing formula that soothes scaly, itchy, and red scalps using micronized sulfur and salicylic acid while being gentle enough for sensitive skin.

This shampoo is formulated to help loosen and remove visible scalp scales and to calm irritation without the heavy smell or irritation of some traditional treatments. Free from coal tar, the lightweight lather cleanses hair while active ingredients work on the scalp surface. It is designed for use on scalps prone to psoriasis-like plaques and is compatible with many dermatological treatment plans.

How does this shampoo work to reduce scales and flakes?

The formula combines micronized sulfur, which helps dislodge thickened skin, with salicylic acid that assists in dissolving scale bonds on the scalp. Together they promote easier removal of plaques during rinsing, leaving the scalp smoother and less visible flaking.

• Micronized sulfur helps loosen dense scalp scales for gentle removal.
• Salicylic acid targets the bonds between dead skin cells to reduce flaking.
• Rinsable formulation clears dislodged debris without heavy residue.

Is this gentle enough for sensitive or irritated skin?

Ducray designed Kertyol P.S.O. Shampoo to be well tolerated by sensitive scalps while still delivering active care. It avoids coal tar and uses a soothing base to minimize further irritation during cleansing.

• Fragrance and coal tar–free approach reduces sensory irritation.
• Soothing excipients support comfort during and after washing.
• Suitable for short-term use alongside many dermatological therapies.

How should I use this shampoo for best results?

Apply to wet hair, massage gently into the scalp to allow active ingredients to penetrate, then leave on briefly before rinsing to let sulfur and salicylic acid act. Frequency can vary by severity—follow packaging or your healthcare provider’s guidance for routine use.

• Wet hair thoroughly, apply a small amount, and massage into the scalp.
• Allow a short contact time (per label directions) before rinsing well.
• Use as part of a scalp care routine; adjust frequency per professional advice.

Will this affect my hair’s appearance or manageability?

While its main function targets the scalp, the cleansing base also leaves hair clean and manageable. Because the formulation rinses away scales and build-up, hair may feel lighter and look cleaner after treatment.

• Cleansing surfactants remove loosened scales and excess oil.
• Rinses cleanly to avoid a weighed-down finish.
• Can be followed by your regular conditioner or styling products.

Who is this for: Ducray Kertyol P.S.O. Shampoo is intended for people with scalps prone to psoriasis-like plaques, persistent flaking, redness, and itching who need a targeted, rinse-off option. It’s a choice for users seeking a clinically minded shampoo that balances active scalps care with a gentler sensory profile and compatibility with many medical treatments. If you have severe or uncertain scalp conditions, consult a dermatologist before starting a new scalp treatment.

Ingredients

Water, Sodium Trideceth Sulfate, Glycerin, Caprylic/Capric Triglyceride, Sodium Lauroamphoacetate, Sulfur, Sodium Chloride, Cocamide MIPA, Salicylic Acid, Talc, Fragrance, Sodium Shale Oil Sulfonate, Silica, Methylisothiazolinone