What it's used for
Selenium sulfide helps prevent the recurrence of flaking and itching associated with dandruff.
Source: U.S. FDA-approved prescribing information (openFDA).
Typical dosing
Shake well, wet hair, massage onto the scalp, rinse, and repeat if desired at least twice a week or as directed by a doctor.
Dosing shown here is the general FDA-labeled range. Your prescribing clinician determines the exact dose, form, and schedule for you — this is not a substitute for medical advice.
Boxed warning / key safety info
This product is for external use only and contact with the eyes should be avoided.
Common side effects
See full FDA prescribing information for the complete adverse reaction profile.
Covered strengths on the Tab $0 list
Covered at $0 with an active Tab membership when filled at a participating pharmacy nationwide or through mail order. A licensed clinician must prescribe the medication.
Related medications
Other everything else medications covered at $0 with an active Tab membership.
Selenium Sulfide cost without insurance
Cash prices for Selenium Sulfide without insurance vary widely by pharmacy, strength and quantity — the same prescription can cost very different amounts at two pharmacies in the same town. That is the problem a membership solves.
Selenium Sulfide is on Tab's covered $0 generic list. With an active Tab membership, every covered strength is $0 — not a percentage off, not a coupon that changes month to month — at participating pharmacies nationwide or through mail order. You do not need insurance, and Tab works whether or not you have a health plan.
Tab is a membership, not insurance. Covered medications require a prescription from a licensed clinician.
Selenium Sulfide dosage and administration
Directions shake well wet hair massage onto scalp rinse repeat if desired for best results use at least twice a week or as directed by a doctor for maximum dandruff control, use every time you shampoo.
Excerpt from the FDA-approved prescribing information (openFDA), retrieved 2026-09-15. Your prescribing clinician decides the exact dose, form and schedule for you — this is not medical advice.
Common questions
Is selenium Sulfide covered at $0 with Tab?
Yes. Selenium Sulfide is on Tab's covered $0 generic list — every covered strength is $0 with an active membership, at participating pharmacies nationwide or by mail order.
Do I need insurance to get selenium Sulfide through Tab?
No. Tab is a membership, not insurance. Covered medications are $0 with an active membership whether or not you have a health plan.
How do I get a selenium Sulfide prescription with Tab?
Book a video visit with a licensed Tab clinician (unlimited visits are included with membership). If it's clinically appropriate, they send the prescription to your chosen participating pharmacy or by mail order.
How much does selenium sulfide cost without insurance?
Without insurance, retail cash prices for selenium sulfide vary by pharmacy, strength and quantity. Selenium Sulfide is on Tab's covered $0 generic list, so every covered strength is $0 with an active Tab membership at participating pharmacies nationwide or by mail order.
What is the cheapest way to get selenium sulfide?
For medications on Tab's covered list, a Tab membership is the cheapest route: covered strengths of selenium sulfide are $0 with an active membership, and unlimited video visits with a licensed clinician are included, so the visit that produces the prescription is covered too.
What is the usual dose of selenium sulfide?
Directions shake well wet hair massage onto scalp rinse repeat if desired for best results use at least twice a week or as directed by a doctor for maximum dandruff control, use every time you shampoo. (FDA-approved label, retrieved 2026-09-15. Your clinician sets your dose.)
Selenium Sulfide is $0 on the covered list
Members pay $0 for covered generics at participating pharmacies nationwide or by mail order — plus unlimited virtual primary care, urgent care and dermatology visits. No insurance needed.
Solo $49/mo · Family $119/mo for up to 4 people · Family+ $149/mo for up to 8
Start your membership → Compare plansTab is a membership and prescription-discount program, not insurance. A licensed clinician must prescribe any medication. Cancel anytime — no renewal.