Aftercare Instructions

Teeth whitening can give you an instant and affordable confidence boost by brightening and whitening your smile and lifting your facial aesthetics, but to get the full benefits of this immensely popular cosmetic treatment, you need to follow your technician's aftercare advice.

After Teeth Whitening the enamel pores usually remain open for up to 24 hours after treatment. It is therefore recommended that only white food and drink are consumed over this period to avoid re-staining as per the food and drink suggestions below.

Not only are there quite a few foods and drinks that you should avoid over the next few days following your whitening treatment, but you’ll also need to adhere to good dental hygiene to keep your teeth white and bright for longer.

Know Which Foods to Avoid

The first 24 to 48 hours after having a teeth whitening treatment are the most important and it’s essential to know which foods and drinks to avoid and stay away from them. It may seem difficult to avoid coffee or chocolate for a day or two, but the results will be worth the effort. The foods to avoid after your treatment include:

  • Dark drinks which can stain your teeth: Red wine and coloured alcohol drinks, coffee, tea, cola and coloured soft drinks, fruit juice and energy drinks.
  • Dark foods which can stain your teeth: Chocolate, beef, lamb, dark fish and poultry, tomato sauces, fruits (except bananas), soy sauce, pesto sauce and oily foods.

A good rule of thumb after you’ve had a teeth whitening treatment is to avoid any food that would stain a light-coloured shirt. You should also avoid smoking and vaping, as well as coloured toothpaste and mouthwash. Though you’ll still need to brush your teeth.

Which Foods Are Okay?

Clear drinks and white foods are the best choices after your teeth whitening session and while it may seem as though you’re limited in what you can eat afterwards, there are quite a few dining and drinking options to keep you going for the 24 to 48 hours when you should avoid foods which can stain your teeth. Food and drinks which are fine include:

  • White meats like skinless chicken, white fish and seafood (avoid anything fatty)
  • White rice, pasta and noodles (watch the sauce)
  • Cauliflowers, white onions, peeled white potatoes and white or light-coloured vegetables
  • Clear drinks like water, lemonade, coconut water and skimmed milk.

White spirits like gin or vodka mixed with soda water, tonic or lemonade are fine but, naturally, you shouldn’t overdo things as you need to give your teeth time to recover.


  • Using a straw as much as possible. Expect to catch some stares when you’re doing this with a cup of tea, but this will minimise the contact between the liquid and your teeth and minimise staining.
  • Taking over-the-counter pain relievers. If you experience any pain or sensitivity after your session, you can take your everyday paracetamol or any similar medication for relief.
  • Choosing smudge-proof lipstick or lip gloss. Keep lip makeup from getting on your teeth, especially if you are using them on a regular basis. They can actually leave a permanent stain on the enamel if you aren’t careful.
  • Using maintenance products. Strengthen your tooth enamel and seal your whitening results in with an enamel booster. Get touch-ups on the go with a teeth whitening pen.
  • Rinsing your mouth after each meal. To ensure that you don’t leave food and drinks in your mouth for too long, swish some water in your mouth right after eating. You can also alternate between sips or rinses of water in between.
  • Flossing regularly. Remove any harmful build-up that could make your teeth yellow. Flossing is also good oral hygiene that can keep your teeth white for a longer time. Don’t overdo it though as you might end up doing harm to your gums.


  • Smoking heavily and drinking alcohol frequently. These can reverse the effects of teeth whitening. Many alcoholic beverages, such as wine, contain tannins that can lead to yellow teeth. The same goes for nicotine in tobacco. If you can’t quit entirely, at least lessen the frequency and do them in moderation.
  • Eating and drinking anything acidic. Food and drinks that are high in acid content can open up the pores of the tooth enamel. This will, in turn, allow stains to penetrate your teeth more easily.
  • Consuming extremely hot or cold liquids. These are dangerous to your now white smile as they can change the temperature of your teeth. Temperature changes can cause teeth to expand and contract, allowing stains to penetrate them.
  • Using a home whitening kit. Wait for a month or two before you decide to do so. This is because it may over-whiten and weaken your teeth.
  • Going back to your old toothpaste. Make the switch to whitening toothpaste. Better yet, give your teeth whitening foam a try. Not only can it penetrate enamel but it can also dissolve particles and oxidise stains before they have a chance to discolour your teeth again.

Long-Term Aftercare

The better you care for your teeth the greater the results, so you’ll not only need to take care over the following day or so afterwards, but also long-term. That means brushing your teeth regularly and correctly and flossing at least once a week. In fact, you need to do this to keep your teeth looking white and healthy even if you didn’t just have your teeth whitened.

If you’re looking for a teeth whitening specialist on the Brisbane Southside, contact Shades of White. We provide professional, non-invasive teeth whitening treatments at Shades of White with all enquiries welcome.