Retinol, the holy grail of skincare, has become an essential ingredient in many skincare routines. If you’re a beauty enthusiast, then you’ve likely heard of its remarkable ability to combat signs of aging, reduce wrinkles, and improve skin texture. But you’ve also likely wondered, which is the better retinol?
With numerous brands boasting about their “miracle” retinol products, it can be overwhelming to choose the best one for your skin. Two heavyweight contenders in the market are Kiehl’s and Sunday Riley, both renowned brands known for their high-quality skincare products. In this blog post, we’re putting two popular products to the test – Kiehl’s Fast Release Wrinkle-Reducing 0.3% Retinol Night Serum and Sunday Riley’s A+ High-Dose Retinoid Serum – so you’ll learn which one will come out the better retinol.
It’s time to meet your potential new skincare hero!
What retinol does
If you’re new to retinols, then here’s a quick overview. Retinols are a type of vitamin A that work wonders for the skin. They’ve been around for a while but have recently gained more attention for their powerful anti-aging properties.
Why are they so important? Well, for starters, they help improve the overall texture and tone of the skin. They can also help reduce fine lines and wrinkles, fade hyperpigmentation, and even unclog pores.
However, it’s important to note that retinols can be a bit intense for some people, so it’s best to ease into it if you’re new to it. Regardless, if you’re looking to up your skincare game, retinols are definitely worth looking into.
Kiehls and Sunday Riley skincare brands
We all want skincare products that are effective and reliable. That’s where Kiehl’s and Sunday Riley come in. These two brands have been making waves in the beauty world for quite some time now.
Kiehl’s, with their focus on natural ingredients, has been around since 1851 and is known for their classic formulas that have stood the test of time.
Sunday Riley, on the other hand, is a newer brand that has gained popularity in recent years thanks to their science-backed products that promise to deliver visible results.
Both brands offer a wide range of products that cater to different skin types and concerns, so it’s easy to find something that works for you. It’s no wonder why Kiehl’s and Sunday Riley have become go-to’s for many skincare enthusiasts out there.
Retinol Ingredient Comparison
Retinol is a skincare ingredient known for its anti-aging properties, and it’s no surprise that skincare brands like Kiehl’s and Sunday Riley have included it in their products.
However, the key ingredients in these two brands’ retinol products are quite different.
While Kiehl’s uses pure retinol, Sunday Riley’s products contain a retinoid derivative, hydroxypinacolone retinoate, which is said to be less irritating to the skin.
Both brands also include other ingredients like vitamin C, hyaluronic acid, and various botanical extracts to enhance the performance of their products.
Kiehl’s Retinol Product
Kiehl’s offers a powerful retinol product that promises to deliver outstanding results. Their formulation includes a potent concentration of retinol, carefully combined with other beneficial ingredients to enhance its efficacy.
The most potent product in their line, Kiehl’s Fast Release Wrinkle-Reducing 0.3 Retinol Night Serum, is formulated with 0.3% retinol. This serum targets fine lines and wrinkles, promoting a smoother and more youthful complexion.
It promises speedy results with consistent use: visible reduction of fine lines in as fast as 5 days and overall improvement in deep wrinkles in just 2 weeks.

When you receive Kiehl’s fast release retinol product, the first thing you’ll notice is that the retinol powder is separated from the serum. You have to mix it into the serum first before using. Kiehl’s states that this is meant to ensure maximum potency and freshness of the retinol.
The texture is watery and it absorbs quickly and doesn’t leave any greasiness. The smell is a bit medicinal, but it dissipates quickly. As with most retinol products, you do need to use it for a few weeks to notice a definite improvement in your skin’s overall appearance and texture. The best thing about it however, is that it’s well tolerated even by people like me with sensitive skin. It’s a safe yet potent addition to your anti-aging skincare regimen.
Sunday Riley Retinol Product
On the other side of the ring, we have Sunday Riley, a brand known for its innovative and science-backed skincare solutions. Their retinol product boasts a carefully crafted formulation that combines retinol with a blend of other powerful ingredients.
Compared to Kiehl’s, Sunday Riley is a very young brand. But they’ve quickly carved out a niche in the competitive skincare market, thanks to a growing following and glowing testimonials. Their products do fall within the higher price range, indicating the brand’s luxury status and premium quality.
Sunday Riley’s flagship retinol product, the A+ High-Dose Retinoid Serum, contains 6.5% retinoid complex, plus moisturizing and nourishing ingredients like CoQ10, Hawaiian white honey, cactus extract, bisabolol and ginger.
It promises to reduce fine lines and wrinkles, improve skin texture and tone, and minimize the appearance of pores and dark spots.
The texture of Sunday Riley’s high-dose retinoid is similar to cream but more runny. It also has a medicinal scent but it absorbs quickly and doesn’t leave any residue. What I love about this product is that my sensitive skin tolerates it despite the high dosage. I also noticed a significant improvement in my skin texture and overall appearance.
Sunday Riley takes pride in providing clean and non-toxic formulas. They have carefully crafted their retinol product to minimize potential irritants and allergens.
Price and Value for Money
Price can be a deal-breaker in your quest for better retinol products so let’s tackle that next.
Kiehl’s and Sunday Riley both position themselves as premium skincare brands, reflecting in the pricing of their retinol products. Their pricing usually falls within the mid to high price range, offering a balance between quality and affordability. Kiehl’s Fast Release Wrinkle-Reducing 0.3% Retinol Night Serum, for instance, retails for $88 for a 30ml bottle. Sunday Riley’s A+ High-Dose Retinoid Serum costs about $85 for the same-size bottle.
With consistent daily use, both products are likely to last about a month or so. If you’re new to retinol, you’d want your skin to adjust first so these bottles would last longer.
However, when it comes to effectiveness, both products are winners in their own right. It really depends on what works for your skin type and how consistent you are with your skincare regimen. But if you want a less pricier alternative, you might want to consider Kiehl’s Micro-Dose Anti-Aging Retinol Serum with Ceramides and Peptide, which goes for $65 for a 30ml bottle.
User Experience and Reviews
Kiehl’s boasts a loyal customer base, many of whom sing praises for their retinol product. Customers often report noticeable improvements in fine lines and overall skin texture after consistent use. However, there may be a few complaints about sensitivity or dryness, which may be attributed to individual differences in skin tolerance or incorrect product usage.
Sunday Riley has garnered a dedicated following of skincare enthusiasts who rave about their retinol product. Users often report remarkable results in reducing wrinkles and achieving smoother, more even-toned skin. While some individuals may experience mild irritation initially, many customers find that their skin quickly adapts and reaps the full benefits of this retinol formulation.
Common Retinol Concerns
Using Kiehl’s or Sunday Riley’s retinol can definitely be a game changer when it comes to improving your skin’s texture and reducing fine lines.
But what else should you be aware of before adding a retinol product to your routine?
For starters, different brands have different ingredients in their formulations. It’s important to find the one that works for your skin type and concerns.
For instance, one of the most common concerns people have is that retinol causes irritation, redness, and peeling. While these are possible side effects, they typically only occur when retinol is used incorrectly or in excess. I didn’t experience these with either Kiehl’s or Sunday Riley. But to avoid this, start with a low concentration and gradually work your way up.
Also, remember that retinol can make your skin more sensitive to the sun. This means you have to make sure you’re still using a daily SPF.
On the plus side, both Kiehl’s and Sunday Riley products are known for being high quality and effective. So if you’re ready to take the plunge and try retinol for yourself, just do your research, start slow, and be patient with the results.
The Better Retinol: Which One Is It?
In the battle of the retinols, both Kiehl’s and Sunday Riley’s retinol serums are worthy contenders. They both deliver on their promises and offer benefits for reducing fine lines, improving skin texture and tone, and minimizing pores and dark spots.
These products are also priced the same, making it very hard to choose the winner.
Ultimately, it comes down to personal preference. If you ask me, I actually love Sunday Riley. It just seems to work better on my sensitive skin, with less irritation and purging.
But one thing is for sure- with consistent use of either brand’s retinols, you’re bound to see a noticeable improvement in your complexion. Don’t forget to consult with a dermatologist before incorporating any new product into your skincare routine.
Here’s to achieving youthful, radiant skin that will make anyone question your age (in a good way)!