Gifrer Bicare Gifrer Plus Double Action dental care is a minted powder for oral hygiene, combination of 2 active ingredietns which act in synergy: Baking soda and Bromelain.These two active ingredients enable to get a double whitening (reduction of surface colours probiked by tea, coffee, tobacco) action: anti-plaque and anti-tartar.Baking soda is known to neutralize acidity. As such, it prevents bacterial growth and helps prevent the formation of cavities.Bromelain is an enzyme which attacks the food residues existing in the inter-dental spaces, nad responsible for the formation of dental plaque and tartar.