Enhance and recharge the effects of the pro fiber in salon treatment with loreal professionnels pro fiber auto recharge a substitute for your chosen pro fiber mask or conditioner to be used every 4th wash helping to boost and extend the salon effect for up to 6 weeks simply apply to shampooed lengths and ends and massage into the hair fibre leave for five minutes and thoroughly rinse out hair will look soft and smooth and with mirror like shine kn by using the pro fiber at home r