Betel leaf on bathroom shelves?
Chemists at the Government-funded Industrial Technology Institute (ITI) in the Capital Colombo have developed a toothpaste and mouthwash that have little of the betel leaf's pungency but retain all
Chemists at the Government-funded Industrial Technology Institute (ITI) in the Capital Colombo have developed a toothpaste and mouthwash that have little of the betel leaf's pungency but retain all