Trusted by Professionals. Biolage SMOOTHPROOF Deep Smoothing 6-in1 Hair Serum is infused with avocado and grape seed oils, this non-sticky formula gently envelops hair to control frizz and seal in smoothness without weighing it down • NATURE INSPIRED PROFESSIONAL HAIR CARE SOLUTION: Indulge in self-care with non-sticky Biolage Smoothproof Serum designed to control frizzy hair & add instant subtle smoothness • ENRICHED WITH AVOCADO & GRAPE SEED OIL: Transform your hair with nourishing ingredients like the avocado & grape seed oil, revitalize your regime with soothing citrusy fragrance to feel fresh throughout the day • 6-in-1 BENEFITS & SUITABLE FOR EVERY HAIR TYPE: Controls frizz, smoothens rough ends, protects from humidity, nourishes dry hair, instantly detangles & adds instant shine. Can be easily applied evenly through damp hair & suitable for any hair type • Read Less