UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13A-16 OR 15D-16

UNDER THE SECURITIES EXCHANGE

ACT OF 1934

For the month of November 2025

Commission File Number: 001-41745

ODDITY Tech Ltd.

(Translation of registrant’s name into English)

8 HaHarash Street,

Tel Aviv-Jaffa, 6761304, Israel

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F x Form 40-F ¨

Explanatory Note

On November 18, 2025, ODDITY Tech Ltd. (the “Company”) issued a press release announcing the launch of METHODIQ, a telehealth platform. A copy of the press release is furnished as Exhibit 99.1 to this Form 6-K.

This Report of Foreign Private Issuer on Form 6-K (“Report”) is incorporated by reference into the Company’s Registration Statement on Form S-8 (File No. 333-274796) filed with the Securities and Exchange Commission, to be a part thereof from the date on which this Report is submitted, to the extent not superseded by documents or reports subsequently filed or furnished.

EXHIBIT INDEX

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.