Nasal decongestant sprays can work well at first, but if you use them for more than three days, they can have a rebound effect.

This leads to imperfections post-sun worshipping - known as the 'rebound effect'.

But if you use them for too long you may get a 'rebound effect' when you stop — meaning the symptoms come back worse than ever.

Although very effective, prolonged use (more than a few days) can lead to a rebound effect that makes congestion worse if you stop using the spray.

The rebound effect works in several ways.

With prices yesterday hovering at less than $65, close to a fiveyear low, analysts said they could briefly fall to $30 before rebounding sharply.

The industry rebounded sharply from the first lockdown, with sales quickly surpassing their pre-crisis peaks, but it still cost non-essential shops £1.6 billion in lost sales.

The sector troughed in late 2008 and then rebounded sharply through 2009.

For example, in 2008 smallcap stocks lost 48 per cent of their value, although they rebounded sharply the following year.

Regulatory capital has also rebounded sharply, and $5-billion of non-core loans have been excised from the balance sheet.

Demand for residential farmland from 'hobby' farmers has rebounded slightly since the beginning of the year, but remained negative in the first half.

They rebounded slightly to 13.13 after the letter was published.

Prices have rebounded slightly and are now 13 per cent lower than at the peak.

The shares later rebounded slightly to close down nearly 1 per cent at 341p.

Sterling fell by more than half a cent to a near-two-week low of $1.4346, before rebounding slightly to $1.4389, down just under 0.6 per cent on the day.

Unlike with the 2008 financial crash, the economy will rebound strongly once the virus has passed.

This allowed them to rebound strongly, helped by high reserves and sound fiscal positions.

Fund managers warned, however, that the markets were unlikely to rebound strongly after last week's volatility.

Remittances, which fell sharply in the early days of the pandemic, rebounded strongly as western governments expanded income support programmes.

Although the economy has rebounded strongly so far, there are a number of risks on the horizon.

However, the downgrade was likely to be less severe because surveys suggest there was a sharp rebound in early 2011.

Markets responded yesterday to hope of an end to the debt ceiling crisis with a sharp rebound.

Investors don't want to miss out on the potential for a sharp rebound, but heavy losses are still fresh in the memory.

You'd normally expect a sharp rebound.

House prices will probably stabilise after the recent sharp rebound and in stockmarkets, too, normal conditions will gradually return.