Normally priced at £25.99, these whitening strips are now available on Amazon for £19.95 for a limited time. Inside the box, there are 21 treatments, which works out at 95p per session ...

Usually retailing at £25.99, these whitening strips are currently available on Amazon for £19.95 for a limited period. Each box contains 21 treatments, which equates to 95p per session ...