A serum bringing together three of 2026’s biggest beauty buzzwords is currently on offer at Amazon. The haruharu Wonder Rose PDRN Firming Serum with Retinal is normally priced at £19, but is currently available for £15.80 for a limited time.
K-beauty continues to surge in popularity, driven in part by social media but also by its focus on effective, restorative and deeply hydrating formulations. Two of the standout ingredients trending this year are regenerative PDRN and anti-ageing retinal, both of which feature in this Korean serum.
Launched only in January 2026, the haruharu Wonder Rose PDRN Firming Serum with Retinal is still a relatively new release. While the 17% discount may seem modest, price cuts on freshly launched beauty products are uncommon, making this a timely opportunity to try it.
PDRN is an ingredient more commonly associated with injectable treatments used in aesthetic clinics and is often derived from salmon sperm, although haruharu Wonder uses a vegan alternative. In this formula, vegan rose PDRN is said to help revive dull-looking skin, refine uneven texture and encourage a more naturally radiant complexion, according to the Mirror.
Then there’s retinal, which numerous skincare specialists regard as the superior alternative to conventional retinol. The serum features 0.1% retinal, which can refine uneven texture, diminish visible lines, and cultivate a smoother, luminous appearance without overwhelming delicate skin.
Clinically shown to improve firmness, smoothness and radiance, the formula also features Haruharu Wonder’s patented Phyto-Velvet Network, designed to deliver a featherlight, non-sticky finish. Alongside this, a 5-peptide complex helps support skin elasticity, refine texture and enhance overall tone, leaving the complexion looking plumper, bouncier and more lifted.
Designed for evening use due to its retinal content, the serum has earned a 4.5-star rating from Amazon shoppers over the past six months. One customer, who found their previous skincare routine was irritating their skin, said they “bought this and used it every night for 2–3 weeks” adding: “My face is back to being nice and plump – no breakouts either. I was always super satisfied with Korean skincare and this one didn’t disappoint.”
Another reviewer, who had ‘tried multiple retinol products’ and ‘hated every one’, said they had sworn off retinol/retinal for good before trying Haruharu Wonder’s version. They explained: “I decided to give Haruharu Wonder Rose PDRN Firming Serum a shot. I am so glad I did. This PDRN retinal combo hits all the marks for me.
“This stuff is so gentle, light, and feels like a dream when applied. Soaks in immediately, no pilling, no stained pillow cases, no greasy feeling, just a nice satin finish. I use it nearly every night and there has not been a single flake or dry patch, just clear, even glowing skin. In case you couldn’t tell, I am in love and this will be my ultimate holy grail beautiful skin bestie.”
While this reviewer reported no staining, some customers have noted yellow marks appearing on bedding. This is linked to retinal’s naturally golden hue, and as the product is intended for nighttime use, it can occasionally transfer to pillowcases – something some users may find less convenient.
A further five-star review stated: “It goes on so nicely and feels more gentle than normal retinol. I wake up with glowing skin. I’m in my mid-40s and people often think I’m in my late 20s-early 30s when they meet me and are shocked when they find out my real age. I use this on all the days I’m not using a stronger retinol 3x/week.”
Naturally, no skincare product is guaranteed to deliver results for every individual. While retinal is broadly regarded as more potent than retinol, certain users may still encounter sensitivity, particularly those new to vitamin A formulations.
Nevertheless, at under £16, it represents a compelling chance to explore several skincare trends within a single formula, without the hefty price tag of premium serums. At LookFantastic, the INNISFREE Retinol Green Tea PDRN Firming Serum 25ml has been reduced to £24.80 from £31.
It comes in a smaller bottle and features retinol rather than retinal, yet is still regarded as a powerful formula crafted to visibly refine and smooth the skin.
Meanwhile, Medik8 has recently entered the PDRN market with their Exo-PDRN Prismatic+. Priced at £79, it harnesses Prismatic PDRN, which the brand describes as a ‘pioneering form of vegan PDRN with a stable tetrahedral structure for 100% better skin absorption than traditional PDRN’.
This particular product does not contain retinal, though it could be combined with the brand’s Crystal Retinal, widely regarded by experts as a gold-standard offering.
Back at Amazon, haruharu wonder also has a range of other skincare products on offer. For daytime skincare, the Black Rice Moisture Airyfit Daily Sunscreen SPF50+/PA++++ is another popular product, currenlty on offer for £13.79, down from £17.
Korean sunscreens have developed a cult following for their lightweight textures and invisible finish, and this formula is no exception. It combines broad-spectrum SPF protection with antioxidant-rich black rice, ceramides, niacinamide and adenosine for a hydrating yet protective finish.
Another product that’s featured in my skincare routine in the past is the haruharu wonder Black Rice Bakuchiol Eye Cream , now £12.09 down from £13.27. Powered by bakuchiol, a natural retinol alternative, this cream targets fine lines and wrinkles around the eyes with visible firming results.
Shoppers can explore the haruharu wonder deals and build their personalised skincare routine on Amazon here.