- Protein Reconstructing Hair Treatment Spray. Strengthening protein hair treatment spray that reconstructs, reconditions and adds immediate strength without added weight. This strengthening hair treatment spray boosts hair's shine and softness. It brings protein to hair's core, restoring internal strength and shine. Fortifying Complex: Exclusive technology penetrates deep for hair that is healthy-looking and resilient. 18-MEA: Protects hair's natural shine. Ceramide: Strengthens the hair fiber to prevent breakage. Interlock Protein Network: Rebuilds surface protection, and provides progressive conditioning and strengthens hair's core. Apply after using Extreme Shampoo. Spray evenly on hair and lather. Leave on 3-5 minutes. Rinse thoroughly. Recommended for use 1-3 times per week. For intensified strength, use Extreme Anti-Snap.