Humectants are hygroscopic substances that absorb atmospheric moisture. In floral and plant preservation, humectants maintain the suppleness and flexibility of dried plant material, preventing brittleness.
(A) Polysets – Incorrect. Unrelated to moisture retention in plant materials.
(B) Silica gels – Incorrect. These are desiccants, not used for maintaining suppleness.
(C) Humectants – Correct. They attract and retain moisture, ensuring dried materials remain pliable.
(D) Potpourris – Incorrect. These are fragranced mixtures of dried plant matter, not for moisture retention.