Audace Hair Tonic Generate Hair Growth 200ml. by Audace. $20.00. Popular brand sold at some big supermarket thailand chains. Help Scalp Disorder. Help inflammation of damage roots. Prevent hair loss. Generate Hair Growth. How to use: Apply Audace Reactive tonic to the scalp without tearing the hair or rubbing the scalp, massage for 3 minutes, using the fingertip-pressure techique. Audace Reactive tonic can be use immediataly after or inbetween shampooing. In the beginning it is...