- Pantene Collagen Miracle Intensive Serum Conditioner is one of our most intensive formulas to date. - Created with Miracle ingredients: Pro-Vitamin Blends that's formulated with Collagen for hair, sealing in nutrients and locking in moisture. - Its smart-targeting technology turns dry, frizzy hair — even from the roots — into shiny, smoother hair every day. - An effective hair conditioner that gives you frizz-free smoothness from root to tip, even up close.