| Cover | Aug. 11, 2021 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Aug. 11, 2021 |
| Entity Registrant Name | HIMS & HERS HEALTH, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-38986 |
| Entity Tax Identification Number | 98-1482650 |
| Entity Address, Address Line One | 2269 Chestnut Street, #523 |
| Entity Address, Postal Zip Code | 94123 |
| Entity Address, City or Town | San Francisco |
| Entity Address, State or Province | CA |
| City Area Code | 415 |
| Local Phone Number | 851-0195 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001773751 |
| Amendment Flag | false |
| Class A common stock, $0.0001 par value | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Class A common stock, $0.0001 par value |
| Trading Symbol | HIMS |
| Security Exchange Name | NYSE |
| Redeemable Warrants | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Redeemable warrants, each whole warrant exercisable for one share of Class A common stock |
| Trading Symbol | HIMS WS |
| Security Exchange Name | NYSE |
