use hilalya whitening paste fr teeth and massage with glycerin on your lips

It appears that you have never been to a dentist uptil now in your life. The train your teeth have become yellow is because they're is tartar and stain formation which occurs regularly in everyone's mouth. A simple clean up at the dentist will solve your problem. As for the lips it is probably dry skin. Apply a moisturiser.

Actually brushing your teeth twice is enough. Brushing frequently especially by using hard bristled tooth brush will remove the outer layer (enamel) of the teeth leaving the inner layer dentin exposed which is yellow in colour. This might later even cause sensitivity in your teeth. Go to a good dentist and check whether the yellow discoloration of the teeth is due to stains or loss of enamel. Is its stains, then it can easily be removed by cleaning or scaling. As for your lips are concerned use a good lip balm with sun protection

Teeth may start to appear yellow due to deposits or stains. You can get a professional teeth cleaning & polishing done. Despite that if you are not happy with the shade then teeth whitening can be an option. It can make your teeth appear whiter by few shades. Color change in lips can be due to several reasons. Lasers can be of some help in case of pigmentation.

Get scaling and polishing done to remove tartar and superficial staining. If you want whiter teeth you may opt for bleaching. For your lips apply a good lip balm with sun protection which will prevent darkening of lips