Chemical That Helps in Attraction

This page is the CodyCross answer for the clue below from Campsite Adventures, Group 839, Puzzle 3 (Matchboxes).

Question is: Chemical That Helps in Attraction

and the answer is: PHEROMONE

Word Meaning:

PHEROMONE — (biology) A chemical secreted by an animal, especially an insect, that affects the development or behavior of other members of the same species, functioning often as a means of attracting a member of the opposite sex.

Definitions from Wiktionary.