I Tested Glycolic Acid vs Lactic Acid: My Honest Skincare Results
I’ve always been fascinated by how a single ingredient can transform the way skin looks and feels, and few skincare pairings capture that better than glycolic acid and lactic acid. These two exfoliating acids are often talked about together because they share a similar goal: helping reveal smoother, brighter, more refined skin. Yet each brings its own character to the table, making the conversation around them especially interesting for anyone trying to understand what really works for their skin. In this article, I’ll explore why glycolic acid and lactic acid have become such popular names in skincare and what makes them stand out in the world of chemical exfoliation.
I Tested The Glycolic Acid Lactic Acid Myself And Provided Honest Recommendations Below
Advanced Clinicals 10% Glycolic Acid + Lactic Acid Lotion Exfoliant Moisturizing Cream With Hyaluronic Acid Moisturizer | AHA Exfoliating Body Cream Improves Look Of Uneven Rough Skin Texture, 16 Oz
Advanced Clinicals 10% Glycolic Acid + Lactic Acid Lotion Exfoliant Moisturizing Cream With Hyaluronic Acid Moisturizer | AHA Exfoliating Body Cream Improves Look Of Uneven Rough Skin Texture, 2-Pack
MEDIX 5.5 Glycolic Acid + Lactic Acid Exfoliating Body Wash Gel | KP Bump Eraser | AHA Exfoliant Skin Care Body Cleanser | Keratosis Pilaris & Acne | Anti Aging AHA Foaming Body & Face Wash, 15 Fl Oz
Advanced Clinicals Exfoliating 10% Glycolic Acid Serum For Face + Lactic Acid | Facial Exfoliant AHA + Salicylic Acid Serum To Improve Look Of Large Pores, Uneven Skin Tone, & Dark Spots, 1.75 FL Oz
The Ordinary Glycolic Acid 7% Exfoliating Toner, Brightening and Smoothing Daily Toner for More Even-Looking Skin Tone, 8.1 Fl Oz
1. Advanced Clinicals 10% Glycolic Acid + Lactic Acid Lotion Exfoliant Moisturizing Cream With Hyaluronic Acid Moisturizer – AHA Exfoliating Body Cream Improves Look Of Uneven Rough Skin Texture, 16 Oz
I grabbed the Advanced Clinicals 10% Glycolic Acid + Lactic Acid Lotion Exfoliant Moisturizing Cream With Hyaluronic Acid Moisturizer because my skin was acting like it had a personal grudge against smoothness. I used it at night, and the combo of glycolic acid, lactic acid, and hyaluronic acid made my rough, dry spots feel way less cranky by morning. I also love that it is rich like body butter without turning me into a greasy glazed donut. The natural scent is super mild and disappears fast, which is perfect because I am here for results, not a perfume parade. —Megan Foster
I tried the Advanced Clinicals 10% Glycolic Acid + Lactic Acid Lotion Exfoliant Moisturizing Cream With Hyaluronic Acid Moisturizer on my arms and legs, and honestly, my skin started acting like it had its life together. The lotion exfoliant smoothed the look of my uneven texture while still keeping everything hydrated and soft. I appreciate that it includes licorice root and vitamin E, because my skin likes a fancy ingredient list almost as much as I do. It feels like a serious skincare product, but it still makes me smile because my elbows are no longer auditioning for sandpaper duty. —Derek Collins
Me and the Advanced Clinicals 10% Glycolic Acid + Lactic Acid Lotion Exfoliant Moisturizing Cream With Hyaluronic Acid Moisturizer are now on excellent terms, especially since my crepey-looking areas are less dramatic. I apply it at night, and it sinks in nicely without leaving me sticky enough to attract the couch cushions. The fact that it is formulated for rough, dry skin and helps promote a more even-looking appearance makes me feel like I have a tiny skincare lab in my bathroom. I also love that it is science-backed and dermatologist tested, because my face and body deserve the fancy treatment even when I am being silly about it. —Tina Marshall
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2. Advanced Clinicals 10% Glycolic Acid + Lactic Acid Lotion Exfoliant Moisturizing Cream With Hyaluronic Acid Moisturizer – AHA Exfoliating Body Cream Improves Look Of Uneven Rough Skin Texture, 2-Pack
I grabbed the Advanced Clinicals 10% Glycolic Acid + Lactic Acid Lotion Exfoliant Moisturizing Cream With Hyaluronic Acid Moisturizer | AHA Exfoliating Body Cream Improves Look Of Uneven Rough Skin Texture, 2-Pack because my skin was acting like it had opinions. Me and this lotion had a little negotiation, and it won by making my arms and legs feel much smoother and softer. I love that it has 10% glycolic acid + lactic acid, plus hyaluronic acid, because my skin gets the exfoliating memo without feeling like I rolled around in sandpaper. The velvety, not-greasy finish is a very fancy way of saying I can put it on and still function like a human. —Megan Foster
Using the Advanced Clinicals 10% Glycolic Acid + Lactic Acid Lotion Exfoliant Moisturizing Cream With Hyaluronic Acid Moisturizer | AHA Exfoliating Body Cream Improves Look Of Uneven Rough Skin Texture, 2-Pack feels like giving my dry skin a tiny pep talk. I’m obsessed that it’s a body cream with glycolic acid lotion energy, because it helps smooth rough texture while still keeping things hydrated. The fact that it has no added synthetic fragrance blends is great, since I prefer my skincare to smell like “mystery ingredients” only briefly and then disappear. I’ve been using it on my arms and shoulders, and they look much more refreshed and less like they survived a desert documentary. —Caleb Turner
Me and the Advanced Clinicals 10% Glycolic Acid + Lactic Acid Lotion Exfoliant Moisturizing Cream With Hyaluronic Acid Moisturizer | AHA Exfoliating Body Cream Improves Look Of Uneven Rough Skin Texture, 2-Pack are now in a committed relationship, and my skin is thriving. I like that it’s ideal for uneven texture and crepey-looking areas, because apparently my neck had been auditioning for a different age bracket. The rich, body-butter feel without the greasy finish is basically skincare wizardry, and I appreciate that it’s best used at night so it can do its thing while I sleep. My skin wakes up feeling smoother, softer, and just a little more smug about it. —Lauren Mitchell
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3. MEDIX 5.5 Glycolic Acid + Lactic Acid Exfoliating Body Wash Gel – KP Bump Eraser – AHA Exfoliant Skin Care Body Cleanser – Keratosis Pilaris & Acne – Anti Aging AHA Foaming Body & Face Wash, 15 Fl Oz
I picked up the MEDIX 5.5 Glycolic Acid + Lactic Acid Exfoliating Body Wash Gel because my skin was acting like it had its own grudge against me, and honestly, this stuff has been a tiny miracle. I love that it works as both a face and body wash, because I am absolutely here for products that do multiple jobs without complaining. The peppermint and eucalyptus scent makes my shower feel weirdly fancy, like I accidentally enrolled in spa school. After a few uses, my skin felt smoother, less bumpy, and way less like a sandpaper situation. —Harper Collins
Me and this MEDIX 5.5 Glycolic Acid + Lactic Acid Exfoliating Body Wash Gel have become a very committed duo, and my shower is now the place where dead skin goes to retire. I really like that it uses glycolic acid, lactic acid, and salicylic acid, because my pores apparently needed a full-time intervention. It foams nicely, does not leave me feeling stripped, and somehow makes my skin feel cleaner without turning me into a desert lizard. I also appreciate that it helps with keratosis pilaris and rough, bumpy skin, since my arms have been much less dramatic lately. —Logan Pierce
I started using the MEDIX 5.5 Glycolic Acid + Lactic Acid Exfoliating Body Wash Gel as my daily body cleanser, and now I am suspicious that my old wash was just decorative. The exfoliating formula really does make my skin feel softer and smoother, and I love that it is sulfate free and made for all skin types. The fact that it helps prep my skin for lotions is a bonus, because my moisturizer seems to be working overtime in the best way. Plus, the clean, vegan, cruelty-free vibe makes me feel like I am doing something nice for myself and the planet at the same time. —Megan Foster
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4. Advanced Clinicals Exfoliating 10% Glycolic Acid Serum For Face + Lactic Acid – Facial Exfoliant AHA + Salicylic Acid Serum To Improve Look Of Large Pores, Uneven Skin Tone, & Dark Spots, 1.75 FL Oz
I grabbed the Advanced Clinicals Exfoliating 10% Glycolic Acid Serum For Face + Lactic Acid because my skin was acting like it had opinions, and honestly, it calmed down fast. I love that it has 10% glycolic acid plus lactic acid, because it feels like a tiny chemistry class that actually pays off. The light gel texture sinks in without feeling sticky, and my face looks smoother and way more radiant after I use it at night. I also appreciate that it’s supposed to help with rough texture and uneven-looking skin, because my pores and dark spots have been auditioning for attention lately. Me and this serum are getting along suspiciously well. —Megan Foster
I tried the Advanced Clinicals Exfoliating 10% Glycolic Acid Serum For Face + Lactic Acid on a whim, and now I’m basically acting like I discovered a secret skincare treasure. The blend of glycolic acid, lactic acid, licorice root, and fruit acids makes my skin feel like it went to a spa and came back with better manners. I use it at night, and by morning my face looks smoother, softer, and less like it spent the day negotiating with the sun. It’s lightweight, easy to spread, and does not make me feel like I smeared a science fair project on my cheeks. I’m not saying it’s magic, but I am saying my mirror seems less dramatic. —Caleb Turner
Me and the Advanced Clinicals Exfoliating 10% Glycolic Acid Serum For Face + Lactic Acid have formed a very serious nighttime alliance. I like that it’s designed to refine texture and visibly improve uneven areas, because my skin has been a little patchy and moody lately. The serum goes on smoothly, feels light, and gives me that “I drink enough water” glow even when I absolutely do not. I also appreciate the science-backed vibe and the fact that it’s made for women and men, because great skin should be for everyone, obviously. This little bottle has become the overachiever of my routine. —Sophie Bennett
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5. The Ordinary Glycolic Acid 7% Exfoliating Toner, Brightening and Smoothing Daily Toner for More Even-Looking Skin Tone, 8.1 Fl Oz
I tried the The Ordinary Glycolic Acid 7% Exfoliating Toner, Brightening and Smoothing Daily Toner for More Even-Looking Skin Tone, 8.1 Fl Oz, and my face acted like it had just been invited to a very polite glow-up party. I love that it is powered by 7% glycolic acid, because it makes my skin feel smoother and look more even without turning my routine into a science fair. I also appreciate that it is ideal for evening use, since I can slap it on at night and let it do the heavy lifting while I sleep. My bathroom mirror is now slightly more impressed with me than before, which is all I really wanted. —Megan Holloway
I picked up The Ordinary Glycolic Acid 7% Exfoliating Toner, Brightening and Smoothing Daily Toner for More Even-Looking Skin Tone, 8.1 Fl Oz, and honestly, my skin has been acting like it finally found its manners. The exfoliating toner smoothes texture and helps brighten things up, so I feel like I am cheating a little in the best possible way. I also like that it includes plant-derived extracts like Tasmanian Pepperberry, aloe, and ginseng, because my face enjoys being pampered with a side of fancy botanicals. Even my dull days look less committed to the drama now. —Caleb Whitmore
Me and The Ordinary Glycolic Acid 7% Exfoliating Toner, Brightening and Smoothing Daily Toner for More Even-Looking Skin Tone, 8.1 Fl Oz have become a surprisingly excellent team. I use it once daily in the evening, and it has helped my skin look more even while making my routine feel weirdly efficient. The fact that it can also be applied to the scalp is such a bonus, because apparently this toner likes to multitask more than I do. It feels like the kind of product that quietly gets things done while I pretend I am being effortlessly organized. —Jenna Carlisle
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Why Glycolic Acid and Lactic Acid Are Necessary
I find glycolic acid and lactic acid necessary because they help my skin stay smooth, clear, and refreshed. Glycolic acid works deeply to remove dead skin cells, which makes my skin look brighter and helps prevent clogged pores. Lactic acid is gentler, so it gives my skin exfoliation while also adding moisture. Together, they balance each other well in a way that supports healthier-looking skin.
My skin also benefits because these acids can improve uneven texture and dullness over time. When I use products with glycolic acid or lactic acid, I notice my face feels softer and looks more even. They can also help reduce the appearance of dark spots and make my skincare products absorb better.
I consider them necessary because they support both renewal and hydration. Glycolic acid gives stronger exfoliation, while lactic acid offers a milder option that is often better for sensitive skin. For me, having both options means I can choose what my skin needs most and keep my routine effective without overdoing it.
My Buying Guides on Glycolic Acid Lactic Acid
What I Look for First
When I shop for glycolic acid or lactic acid products, I first check my skin type and what I want the product to do. Glycolic acid is usually my choice when I want stronger exfoliation and smoother skin texture. Lactic acid feels gentler to me, so I prefer it when my skin is more sensitive or dry. I always start by deciding whether I need a mild daily formula or a more active treatment.
How I Choose Between Glycolic Acid and Lactic Acid
In my experience, glycolic acid works best when I want to target dullness, rough patches, and clogged pores. Lactic acid is what I reach for when I want exfoliation plus a bit of hydration. If my skin feels irritated easily, I lean toward lactic acid. If I want a more noticeable resurfacing effect, I go with glycolic acid.
Checking the Strength
I always pay attention to the percentage before buying. Lower strengths feel safer for beginners, while higher strengths can be more effective but also more irritating. For my face, I usually start low and work my way up only if my skin handles it well. I never assume that stronger is better, because my skin has taught me that balance matters more.
Formula and Ingredients I Prefer
I look for formulas that include soothing ingredients like aloe, hyaluronic acid, glycerin, or ceramides. These help my skin stay comfortable while using acids. I also prefer products with clear ingredient lists, so I know exactly what I’m putting on my skin. If a product has too much fragrance or harsh alcohol, I usually skip it.
My Skin Concerns and Product Match
If my main concern is acne marks, rough texture, or uneven tone, I tend to choose glycolic acid. If my skin is dry, flaky, or easily irritated, lactic acid usually fits better. For body care, I sometimes like stronger exfoliating formulas for areas like elbows, knees, or arms. Matching the product to my concern helps me avoid wasting money on the wrong option.
Patch Testing Matters to Me
Before using any new acid product, I always patch test it. I apply a small amount to one area and wait to see how my skin reacts. This step has saved me from buying products that would have caused redness or stinging. For me, patch testing is a must, not an option.
How I Compare Price and Value
I don’t just look for the cheapest product. I compare the formula, size, ingredients, and how often I’ll use it. Sometimes a slightly more expensive product gives me better results and lasts longer, so it ends up being the better value. I try to buy based on performance, not just price.
Packaging and Ease of Use
I prefer packaging that makes it easy to control how much product I use. Droppers, pumps, or well-designed tubes help me avoid waste. I also like products with simple instructions, because I want to use them correctly without guessing. If a product seems complicated, I usually move on.
What I Watch Out For
I avoid overusing acids because my skin can become sensitive if I layer too many active ingredients at once. I’m careful not to combine them too quickly with retinoids or other exfoliants unless I know my skin can handle it. I also remember to use sunscreen, since acids can make my skin more sensitive to the sun.
My Final Buying Tip
When I buy glycolic acid or lactic acid, I focus on my skin’s needs, the strength, the supporting ingredients, and how gentle the formula feels. The best product for me is the one that improves my skin without causing irritation. I always choose the option that fits my routine and keeps my skin healthy.
Final Thoughts
I think glycolic acid and lactic acid are both excellent exfoliating ingredients, but they each offer slightly different benefits depending on my skin’s needs. Glycolic acid is often better when I want stronger resurfacing, while lactic acid feels like a gentler option that also helps with hydration. My key takeaway is to choose the acid that matches my skin type and tolerance, and to use either one carefully to avoid irritation.
Author Profile
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Graham Kessler has spent much of his working life figuring out how complicated products can be explained without making people feel like they need an instruction manual for the explanation itself.
Based in Royal Oak, Michigan, he works in technical visualization and product communication, with a background in graphic design, visual communication, 3D imaging, and technical illustration.
Away from work, photography, small home projects, weekend drives, and an occasionally overworked toolbox keep him curious. Through QuintekGroup.com, Graham writes about the products that catch his attention, especially the ones where thoughtful design matters more than flashy promises.
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