Yes, tea is one of the most potent staining agents of teeth.
PH of rooibos tea is 6 - 6.5
Most or all of rooibos/red tea is produced in the country of South America. Rooibos is pronounced (roybus).
In large quantity, or over a prolonged period of use, yes, tea will stain your teeth. A good quality toothpaste will help eliminate this difficulty.
yes
No.
No
no
Yes, just like coffee and tea, cola and other "dark sodas" can stain your teeth. Carmel coloring and sugar rots teeth too.
Believe it or not, tannic acid. And Tannic acid is also used in the chemical staining of wood, so if it stains wood, it'll stain your teeth
White tea. Green tea. Oolong tea. Black tea. Rooibos tea. Mate tea. Herbal tea. and more.
The rules for whiter teeth are to avoid coffee, tea and cigarettes because these stain your teeth. Brush them after every meal.
green tea doesn't have caffeine. and also it doesn't stain your teeth. which is usually good.