EXHIBIT 24

                                POWER OF ATTORNEY

        Know all by these presents that the undersigned hereby constitutes and
appoints each of Clark L. Jordan and Kellye L. Walker, signing singly, the
undersigned's true and lawful attorney-in-fact to:

        (1)   execute for and on behalf of the undersigned, in the
undersigned's capacity as an executive officer and/or director of Eastman
Chemical Company (the "Company"), Forms 3, 4, and 5 in accordance with Section
16(a) of the Securities Exchange Act of 1934 and the rules thereunder;

        (2)    do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete and execute any
such Form 3, 4, or 5 and timely file such form with the United States
Securities and Exchange Commission and any stock exchange or similar authority;
and

        (3)    take any other action of any type whatsoever in connection with
preparation and filing of disclosure and reports related to ownership and
acquisitions or dispositions of Company securities, including Forms 144
reporting planned sales of Company securities, which, in the opinion of such
attorney-in-fact, may be of benefit to, and in the best interest of, or legally
required by, the undersigned.

        The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted. The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16 or Rule 144 of the
Securities Exchange Act of 1934.

        This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

        IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 15th day of December, 2021.

                                           //Brad A. Lich//
                                   -------------------------------
                                             Brad A. Lich