Known as one of Amazon's best-selling beauty products, the viral TruSkin Vitamin C Serum with 150,000 reviews is now on sale at Prime Day 2025.

VEGAMOUR's daily hair serum is on sale during Amazon Prime Day. Take 30% off the popular scalp balancing serum while the deal is ongoing, or get a trio bundle for $50 off.

SHOPPING: This facial serum hydrates your skin like no other. It's currently on sale for Prime Day and is your best bet if you constantly deal with dry, flakey skin.

The brand reports that in just two weeks, the serum reduces hair loss due to breakage by 82.2%.

Luxury 'age-reversing' serum 'rejuvenates skin after one use' is now £30 off 'I love how glowing my skin looks after using this serum, it absorbs so nicely into my skin without leaving a sticky ...

Revitalift Retinol Night Serum from L’Oréal is just $32 and has 8,000-plus five-star ratings. Shop the anti-aging treatment from the Jane Fonda-used brand on Amazon.

Frizzy hair ruining your summer? HerStyler's Hair Repair Serum is a fan-favorite anti-frizz solution you'll want to try ASAP. Shop it now on sale for just $9.

This Amazon Prime Day, shop Beauty of Joseon’s best-selling Revive Eye Serum, a hydrating, anti-aging formula that’s on sale for $14. A K-Beauty staple, it brightens, smooths, and firms the ...

The eye serum is applied using a 'triple roller applicator' which helps to de-puff the eyes, something users have hailed as a "simply genius" detail.

Anti-ageing serum that makes a 'visible difference' comes with free £82 cream using code 'I've been using this serum for a few weeks now and have noticed a visible difference.