Coffee and tea
Caffeine can cause dehydration, ultimately leading to wrinkles. It can also cause cortisol production, which is linked to clogging of pores.
Sugar
Excessive sugar consumption can lead to inflammation or increased insulin levels, both of which can cause acne.
Dairy
Milk is responsible for stimulating the skin's oil glands that can cause acne and pimples.
Fried foods
Deep-fried food items can lead to inflammation in your body and skin. Such foods can also cause premature aging.
Chocolates
Eating too much chocolate is also bad for your skin. It is metabolized like sugar which damages the collagen in your skin.