Schwarzkopf Professional OSiS Session Extra Strong Hairspray - 500ml Discipline apply sparingly to the roots

apply sparingly to the roots for a lift that lasts all day without weighing the hair down

Technical Notes - Ultra lightweight

Conditioning Agents: A blend of humectants and moisturizers that smooth the cuticle

The Ultimate Travel Companion: Fully TSA-approved and perfectly sized for carry-on luggage

Kérastase combines rare botanical extracts with advanced scientific repair:

Schwarzkopf Professional OSiS Session Extra Strong Hairspray - 500ml Discipline apply sparingly to the rootsOSiS Session is an iconic, professional grade hairspray engineered for styles that demand maximum control, unyielding hold, and a flawless finish. Designed to lock down intricate updos, high volume styles, and sleek runway looks, this extreme hold formula sets instantly without weighing the hair down. It provides a reliable shield against the elements while remaining surprisingly easy to brush out when the day is done. Key Benefits Extreme, Long