Shoppers say this serum lifts and firms double chins in weeks – and it’s 30% off

Your secret to a more lifted, smoothed and plumped neck and decolletage? We’re listening… (Picture: Bloom & Blossom/Metro)
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The season of indulgence is all fun and games until you catch sight of your multiple chins in an unflattering shop window.
But fear not – customers say this serum can smooth out your neckli