It’s the one simple treatment that can make anyone look younger in an instant.

Bright, white teeth are synonymous with health, youth and vitality, but so many of us neglect our pearly whites entirely.

The belief is often that it’s too late or too pricey to correct any staining or yellowing. That double espresso/ red wine habit doesn’t help matters either.

However; teeth whitening has come on in leaps and bounds in recent years, meaning you can safely make a major difference to your smile from the comfort of your own home.

One of our favourite at-home products are the easy-peasy whitening strips from Spotlight Whitening, which was set up by Irish sisters Lisa and Vanessa Creaven, both dentists.

The secret? Hydrogen peroxide, the same active ingredient used in clinical dental practice.

By breaking down complex stains and penetrating the top layer of the enamel, Spotlight Whitening Strips brighten the colour of your teeth in just one hour – while you chill out on the sofa.

The handy little foil packages mean you can pop them in your luggage when you’re travelling or keep them in the car for your commute (we’re not afraid to pop one in when we’re working late at the office).

Just one treatment every two weeks is enough to keep your pearly whites in dazzling condition, so one box of 14 strips (€39.95 here) goes a long way.

They even do a men’s version, which offers the same powerful teeth whitening ingredients, but in a larger size and packaged in a dark and manly tube for gents who like to keep their cosmetics low-key.

We also love their Teeth White Pen, which you simply paint onto your teeth, leave for five minutes and rinse off.

With 47 percent of people admitting that a person’s smile is the first thing they notice, making sure yours is sparkling should be a priority,