Cal. Health & Safety Code § 25257.2
(b) The guidelines for an HNSR program adopted pursuant to subdivision (a) may include, but shall not be limited to, all of the following:
(1) A list of specific chemical ingredients that should not be used by a nail salon seeking recognition. In determining whether to include a chemical on the list, the department shall consider:
(2) Specific best practices for minimizing exposure to hazardous chemicals, including:
(c) The guidelines adopted pursuant to subdivision (a) shall include criteria for cities and counties that adopt an HNSR program. These criteria may cover, but are not limited to:
(e) In collaboration with existing healthy nail salon programs, the department shall promote the HNSR guidelines developed pursuant to subdivision (a) by doing all of the following: