'I'm 47 but do not look my age - I've been using one skin care product for decades now'

Mum-of-two Jennifer Bailey revealed: "I regularly get told I look around 10 years younger than I am."

To maintain beautiful skin, the quadragenarian swears by two skin care secrets: she never goes to bed without taking her makeup off and is diligent when it comes to moisturising - she's been doing it since she was 13.

Moisturiser is hailed as an anti-ageing skin care staple that can be beneficial at any age - it may even promote a youthful complexion in 90-year-olds.

The skin care experts at CeraVe referred to moisturiser as a "cornerstone skin care product" with "anti-ageing" benefits, so it's certainly worth investing in one.

But why are they so important for glowing, radiant skin? "Moisturisers are cream or gel-textured skin care products which contain a blend of humectants and emollients," the experts explained.

"Humectants are skin care ingredients which draw in moisture from the air and surface layers of skin and retain it - hyaluronic acid and glycerin are a couple of widely known examples. Emollients also help to trap moisture in skin and aid in softening skin texture through rich hydration.

"The benefit of a face moisturiser results from the combination of humectant ingredients and other moisturising agents like ceramides, fatty acids and oils, to protect skin from moisture loss and keep complexions smooth, radiant and soft.

"While its hydrating function is obvious, moisturisers can also brighten skin tone, refine texture and reduce the appearance of ageing signs like fine lines and wrinkles."

Before selecting a moisturiser, it's always best to consult a dermatologist, who can offer tailored advice depending on your specific concerns and aims.

Once you've picked the best product for you, ensure you're using it correctly. According to a dermatologist, many are getting this crucial step wrong, and a post-shower step "makes all the difference".

As well as taking care of her skin, Jennifer leads an active lifestyle and credits her youthful physique to regular movement.

"I've taken a lot of care to look after my body and am proud to still have a six pack," she told GB News. "I do taekwondo and CrossFit six or seven hours a week to keep fit."

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The 47-year-old prioritises exercise because she runs her own business, and it is an excellent "stress reliever".

"A bonus is that I keep trim at the same time, which helps with the youth factor," she added.

GB News spoke exclusively to a second quadragenarian whose active lifestyle keeps her young-looking.

The 48-year-old named the healthy habit she totally believes in; try it and "your body will thank you".