Bondi Smile is one of the world's favourite brand for home teeth whitening kits, pens and activated charcoal, etc. Products are shipped FREE worldwide.
The whitening kits utilise an 18% carbamide peroxide whitening gel, and you can expect results 2-8 shades lighter, depending on factors such as how discoloured your teeth are, the main agent causing the stain, length and number of treatments.
If you are new to teeth whitening, a great place to start is with its Teeth Whitening Starter Kit. Make sure you check out its professional Teeth Whitening Pen - it's a game changer.