Sunday Riley Good Genes Face Serum is now on a rare Amazon sale

If you’ve been scrolling through Amazon looking for that magical potion to transform your skin, the Sunday Riley Good Genes All-in-One Lactic Acid Treatment Face Serum is a skincare game-changer that needs to be on your radar — especially now that it’s on sale.

The cult-favorite, multi-tasking miracle worker is just a click away, and I couldn’t be more excited to spill all the glowing details. From skin that feels baby-soft to a brighter, more radiant complexion, this serum might just be the skincare investment of the year. Let’s face it — skincare can be overwhelming, but this serum truly stands out from the crowd.

With all the benefits of exfoliating, brightening and anti-aging packed into one powerful bottle, it’s an essential for anyone looking to elevate their skincare routine. And, who doesn’t want that?

What makes Sunday Riley Good Genes worth every penny? For starters, it works. It’s not just another beauty product promising to make you “glow.” Truly, it delivers.

After a few uses, you’ll notice smoother skin, a more even tone and a lit-from-within radiance that can make your whole complexion look brighter and healthier. It’s a multitasker that combines the effects of an exfoliator, serum, and brightener all in one, perfect for anyone who’s looking to streamline their routine without sacrificing results.

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Why It’s Worth It

The sheer convenience of having one product do it all is a luxury, especially if you’re not a fan of having your vanity covered in endless bottles. With a formula that actually works, you’re getting a powerful treatment that can truly transform your skin.

Good Genes sits pretty on my shelf and *remains* on the shelf even after reviewing hundreds of products as a beauty tester (and that’s saying something!) It’s packed with ingredients that work overtime to give you that smooth, glowing and clear skin you’ve always wanted.

At the heart of it all is lactic acid, an AHA that gently exfoliates your skin, removing dead skin cells and revealing a fresher, smoother complexion. Lactic acid is also known for stimulating collagen production, which can give you firmer, more youthful skin over time. It’s effective without being too harsh, making it perfect for those who want to exfoliate but don’t want to deal with irritation.

The formula also includes licorice extract, which is key for brightening the skin and reducing dark spots. If you’re someone who struggles with hyperpigmentation or acne scars, this ingredient is a game-changer. It works to even out skin tone while also offering soothing and anti-inflammatory benefits.

Adding to the mix is prickly pear extract, which is packed with vitamins, minerals and antioxidants. It provides your skin with the hydration it needs, while also protecting it from environmental damage. It’s like a little boost of nourishment with every application, keeping your skin plump, refreshed and ready to face the day.

Another standout ingredient is saccharide isomerate, a plant-derived humectant that draws moisture into the skin and keeps it hydrated for hours. This not only helps maintain the skin’s natural barrier, but it also gives your face a soft, smooth texture. Arbutin rounds out the powerhouse ingredient list, working to brighten your complexion and reduce the appearance of dark spots. All of these ingredients work together in perfect harmony to exfoliate, brighten, hydrate and improve the overall look and feel of your skin.

How to Use

So how do you use this magic serum? It’s easy to integrate into your routine. Start by cleansing your face thoroughly. Whether you’re using a double cleanse or a simple gentle cleanser, make sure your skin is free from any dirt or makeup. This allows the Good Genes serum to penetrate your skin more effectively.

Next, apply a thin layer to your face; just a couple of drops will do. This serum is concentrated, so you don’t need much. Gently massage it into your skin, working it in with upward motions, and avoid your eye area. You’ll feel a slight tingle, which is totally normal — that’s the lactic acid getting to work. It’s a sign that the serum is exfoliating and helping to smooth and renew your skin.

After a minute or so, follow up with your favorite moisturizer to lock in all that goodness. The key is to keep your skin hydrated and nourished after exfoliating, so a rich moisturizer is your best friend here. If you want to maximize the effects, you can layer a few additional serums on top, depending on your skin’s needs.

It’s also important to remember that this is a potent product, so start by using it a few times a week and gradually increase the frequency as your skin gets accustomed to the exfoliation. Overuse can sometimes lead to irritation, especially if your skin isn’t used to lactic acid, so listen to your skin and adjust accordingly. And, if you have sensitive skin, you may want to start slow with just once a week and build up from there.

One thing you should never skip is sunscreen. After exfoliating, your skin is more susceptible to sun damage, so make sure to apply a broad-spectrum SPF daily. This is a non-negotiable step in any skincare routine, but it’s especially important when using products like Good Genes.

The Final Verdict

The results speak for themselves: smooth, bright and youthful-looking skin in just a few weeks. With continued use, you’ll notice your skin becoming more radiant, even-toned and noticeably softer. Fine lines, dark spots, and rough patches start to fade away, leaving you with a complexion that practically glows. It’s no wonder why Good Genes has such a dedicated following. The combination of gentle yet effective exfoliation, brightening and anti-aging benefits makes it a standout product that truly earns its place in any skincare arsenal.

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This article was written by Victoria Giardina, New York Post Commerce Journalist & Content Strategist, who has spent countless hours researching, testing hundreds of products and comparing the latest makeup, skincare, hair and beauty items and trends to determine what’s truly worth your hard-earned cash. She evaluates formulas, textures, ingredients and more, in addition to consulting medical and industry experts. Some of Victoria’s latest conquests include testing the best vitamin C serums on the market, and a rinse-and-repeat review of the best shampoos of 2025. Victoria, who received a beauty industry essentials certification from the Fashion Institute of Technology, has been creating shopping guides for the New York Post since 2021 and previously held positions at Insider Reviews and CNN Underscored.

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