Pyrithione
As of the edition of 20 October 2026, Pyrithione is a small molecule: marketed, first approved in 1980 (CH).
Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.
The drug
- Status
- Marketed; latest approval 1986
- Kind
- Small molecule
- Brand name
- Head & Shoulders Conditioner
- First approved
- 25 November 1980 (CH)
- Approvals on record
- 4 in 3 regions
- Holder of the most recent approval
- Sanofi; 4 holders in all
US protection
No US approval on record.
With no US approval on record there are no listed US patents or exclusivities.
This is the US only.
Who has held its approvals
| Company | Role | Years |
|---|---|---|
| Bausch Health | Applicant | 1981 to now |
| Procter And Gamble | Applicant | 1986 to now |
| Sanofi | Later holder | 2009 to now |
| Warner Chilcott | Acquired holder | 2011 to now |