Beauty enthusiasts are raving about an anti-ageing serum from Kiehl's that has racked up a staggering 3,500 reviews, with approximately 70% awarding it top marks of five stars. , which features retinol as a key ingredient to fight the signs of ageing, has been lauded by customers as 'the best' for diminishing wrinkles.

This skincare sensation promises to decrease wrinkles, firm up skin, even out skin tones and smooth textures, all with minimal irritation, making it ideal for those with normal to sensitive complexions. The product, crowned as the Elle Future of Beauty Winner 2022, is acknowledged for being an effective anti-wrinkle serum infused with retinol, delivering younger-looking results through a manageable daily micro-dose.

It's designed to offer noticeable anti-ageing benefits by utilizing a daily-strength dose of pure retinol. This potent ingredient aims to significantly lessen the look of wrinkles, refine the skin's texture, and enhance firmness.

Users have commended for its swift and successful results in rejuvenating skin and reducing the signs of ageing. Thanks to the addition of peptides and ceramide, it also aids in building up your skin's tolerance to pure retinol over time, allowing long-term use of potent formulations with reduced discomfort such as redness, dryness, or peeling.

The £79 serum underwent rigorous testing and garnered impressive feedback from users. A whopping 90% of participants, including those new to Retinol, reported their skin felt comfortable, while 94% noticed a more refined skin texture.

Clinical evaluations revealed a 100% reduction in wrinkles and a 90% increase in skin firmness among users. One satisfied customer raved, "Bought a month ago and haven't looked back. Money well spent. Had done some research then popped into Kiehl's Liverpool for a consult. Smoothing and smells lovely. Try it and you won't be disappointed."

Another elated user, who gave it five stars, exclaimed, " You will have fewer wrinkles for sure." A third review highlighted, "My Esthetician thought that my skin looked wonderful yesterday at my appointment. I credit Kiehl's with that."

However, not everyone was as impressed. Someone said, "I noticed after using it twice, I started having pimples on my face. And I stopped using it for two days, pimples started going away."

If you're looking for a gentler alternative, try a lower strength retinoid, such as or A lower concentration (0.1%-0.3% releases slowly and is less irritating.

But another satisfied customer raved about the effects of Kiehl's retinol, saying, "I was wary of starting retinol because my skin is very sensitive. I've been using this product for over two months and have had zero irritation. My skin looks smoother, and I have noticed it can last longer between Botox sessions."