“TheraCol Collagen Gel”

 The product is a soluble, type I atelo-collagen (telopeptide-free collagen). 

“TheraCol Collagen Gel” is an immune-free collagen for human body implants, sourced from porcine skin.

This product’s applications include R&D purposes for dermal fillers and formulations for ocular applications, collagen gel or matrix for artificial tissue regeneration, coating material for cell
cultures, and tissue engineering. 

Subheading HS: 3504.00.

Source: https://rulings.cbp.gov/index.asp,  July 6, 2017 (N287432)