Md. Code, Environment § 9–2002

(a) (1) This subsection does not apply to over–the–counter drugs.

(2) On or after December 31, 2017, a person may not manufacture for sale a personal care product that contains synthetic plastic microbeads.

(3) On or after December 31, 2018, a person may not accept for sale a personal care product that contains synthetic plastic microbeads.

(b) (1) On or after December 31, 2018, a person may not manufacture for sale an over–the–counter drug that contains synthetic plastic microbeads.

(2) On or after December 31, 2019, a person may not accept for sale an over–the–counter drug that contains synthetic plastic microbeads.