Fattener n. : One who, or that which, fattens; that which gives fatness or fertility.

Example:
good ways to make a horses coat shiny and fatten one up?

Taxonomy
Hair, Toppek Shampoo, Keratin protein, Spencer Forrest, thickening, protein, Purchase, hair shaft, thickness, protein formula, combo, Shampoo and Conditioner, diameter, enhancement, hair care product, head of hair, hair loss, thin hair.

Defination from the web:
Fattener from Spencer Forrest has an innovative nutrient delivery system that actually adjusts to your hair's ph to open the hair ... Toppek Hair Fattener can be used alone or in conjunction with Toppek Hair Building Shampoo and Conditioner. ...