Salon Professional Use Only GKhair Shield Additive+ is an inter-mixable product with salon professional treatments that create new bonds in the cortex of the hair while simultaneously protecting the hair's existing natural structure. Fortified with Juvexin, GKhair's signature anti-aging keratin protein blend optimized for restoring dry, damaged hair and SOY EXTRACTS for hair health and regeneration. Buy now GKhair Shield Additive+ to effectively fortify the hair shaft, leading to healthier and stronger hair. JUVEXIN a keratin anti-aging protein blend. SOY EXTRACTS to promote healthy hair growth and regeneration. FEATURES GKhair Shield Additive is an inter-mixable product with salon professional treatments to protect the hair Create new bonds in the hair Damage free chemical processing BENEFITS Strengthens the hair Repairs damage Compatible with several hair services such as; hair perming, Japanese Straightening, Hair Relaxing Direct Dyeing, and Henna. BONUS Shield Additive+ is most effective when mixed with lightening or color services.