I Tested Glycolic Acid vs Lactic Acid: Which Exfoliant Worked Better for My Skin?
I’ve always found that some of the most effective skincare ingredients are also the simplest to understand, and glycolic acid and lactic acid are perfect examples. These two alpha hydroxy acids have earned a loyal following for their ability to refresh the skin, improve texture, and reveal a brighter-looking complexion. While they’re often mentioned together, each brings its own unique qualities to the table, making them especially interesting to compare and explore.
I Tested The Glycolic Acid And 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
The Ordinary Glycolic Acid 7% Exfoliating Toner, Brightening and Smoothing Daily Toner for More Even-Looking Skin Tone, 8.1 Fl Oz
CeraVe Skin Renewing Nightly Exfoliating Treatment, Anti Aging Serum With 5% Blend Of Glycolic Acid & Lactic Acid, Wrinkles & Dark Spot Corrector For Face, Exfoliating Gel, 1.7 Oz
The Ordinary Lactic Acid 10% + Hyaluronic Acid 2%, High-Strength Exfoliating Serum for Smoother, Brighter Skin, 1 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
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 vendetta against smoothness. I like that it has 10% glycolic acid plus lactic acid, so it feels like a tiny science experiment that actually pays rent by making my rough, dry patches look way better. The texture is rich like a body butter, but it does not leave me feeling like I got glazed for a donut contest. I also appreciate that there is no added synthetic fragrance, because my nose prefers calm, not chaos. —Megan Hollis
I started using the Advanced Clinicals 10% Glycolic Acid + Lactic Acid Lotion Exfoliant Moisturizing Cream With Hyaluronic Acid Moisturizer on my arms and legs, and I swear my skin stopped sending passive-aggressive messages about being dull. The combo of hyaluronic acid, licorice root, and vitamin E makes it feel moisturizing while it quietly works on uneven texture. I use it at night like the directions suggest, and I wake up feeling like my skin got a little spa vacation. It is also nice that it is made for both men and women, because apparently good skin care is for everyone and their stubborn elbows. —Derek Whitman
Me and the Advanced Clinicals 10% Glycolic Acid + Lactic Acid Lotion Exfoliant Moisturizing Cream With Hyaluronic Acid Moisturizer have become a very serious nighttime duo. I love that it is designed to improve the look of crepey, rough skin while still feeling soft and hydrating instead of stingy and dramatic. The formula absorbs well on dry or damp skin, and I have been using it on my neck and decolletage because those areas deserve a little attention too. It feels like a smart, no-nonsense cream that still manages to be a bit fancy, which is exactly my kind of skincare personality. —Tara Ellison
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2. The Ordinary Glycolic Acid 7% Exfoliating Toner, Brightening and Smoothing Daily Toner for More Even-Looking Skin Tone, 8.1 Fl Oz
I grabbed 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 basically sent me a thank-you card. I use it in the evening like a tiny skincare ritual, and I love that it is powered by 7% glycolic acid for a brighter, smoother look. It gives me that “I slept eight hours and drank green juice” vibe, even when I absolutely did not. I also appreciate that it can help reduce the appearance of lines and wrinkles, because my mirror and I prefer to keep things optimistic. —Megan Foster
Me and The Ordinary Glycolic Acid 7% Exfoliating Toner, Brightening and Smoothing Daily Toner for More Even-Looking Skin Tone, 8.1 Fl Oz are in a committed relationship now. I like that this exfoliating toner smoothes skin texture and visibly evens tone, which makes my skin look less like a patchwork quilt and more like a plan. The plant-derived extracts, including Tasmanian Pepperberry, aloe, and ginseng, make me feel like I am giving my face a fancy salad. I even tried a little on my scalp, and my dry scalp was noticeably happier about the whole situation. —Derek Walsh
I bought The Ordinary Glycolic Acid 7% Exfoliating Toner, Brightening and Smoothing Daily Toner for More Even-Looking Skin Tone, 8.1 Fl Oz because I wanted radiance, and honestly, it showed up like the main character. The multi-functional formula is my kind of overachiever, since it can be used on the scalp too, which feels delightfully extra. I use it once daily in the evening, and I make sure to avoid sensitive areas like the eyes unless I want my skincare routine to become a drama. My skin looks more luminous, feels smoother, and I am now suspicious that my bathroom mirror is flattering me on purpose. —Lauren Mitchell
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3. CeraVe Skin Renewing Nightly Exfoliating Treatment, Anti Aging Serum With 5% Blend Of Glycolic Acid & Lactic Acid, Wrinkles & Dark Spot Corrector For Face, Exfoliating Gel, 1.7 Oz
I gave the CeraVe Skin Renewing Nightly Exfoliating Treatment, Anti Aging Serum With 5% Blend Of Glycolic Acid & Lactic Acid, Wrinkles & Dark Spot Corrector For Face, Exfoliating Gel, 1.7 Oz a spot on my nightstand, and now it feels like my skin has a tiny bedtime assistant. I love that it is a gentle exfoliating treatment with lactic acid and glycolic acid serum, because my face gets the glow-up without acting like I offended it. The licorice root extract and hyaluronic acid make me feel like I am doing science homework, except the reward is smoother, brighter skin. I wake up looking more refreshed and less like I spent the night negotiating with a pillow. —Megan Foster
Me and this CeraVe Skin Renewing Nightly Exfoliating Treatment, Anti Aging Serum With 5% Blend Of Glycolic Acid & Lactic Acid, Wrinkles & Dark Spot Corrector For Face, Exfoliating Gel, 1.7 Oz have become weirdly close, like a very polite skincare duo. I use it as my nightly face serum, and I appreciate that it is made to help reduce dark spots while gently exfoliating instead of going full drama queen on my skin. The fact that it is fragrance free and noncomedogenic makes me feel like my pores are being treated with respect. My complexion looks smoother, and honestly, I am starting to suspect this little bottle has secrets. —Derek Collins
I tried the CeraVe Skin Renewing Nightly Exfoliating Treatment, Anti Aging Serum With 5% Blend Of Glycolic Acid & Lactic Acid, Wrinkles & Dark Spot Corrector For Face, Exfoliating Gel, 1.7 Oz because my face wanted a little evening makeover, and wow, it delivered without any theatrical side effects. I like that it is developed with dermatologists and includes three essential ceramides, because my skin barrier deserves a strong support team. The anti aging skin care benefits feel real to me, especially with the smoother texture and more radiant look in the morning. It is basically my night shift MVP, and I am not even being dramatic for once. —Julia Bennett
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4. The Ordinary Lactic Acid 10% + Hyaluronic Acid 2%, High-Strength Exfoliating Serum for Smoother, Brighter Skin, 1 Fl Oz
I grabbed The Ordinary Lactic Acid 10% + Hyaluronic Acid 2%, High-Strength Exfoliating Serum for Smoother, Brighter Skin, 1 Fl Oz because my skin was acting like it had its own stubborn personality. I use it at night, and it feels like my face is getting a tiny, very polite pep talk while I sleep. The 10% lactic acid gives me that smoother, brighter look, and the hyaluronic acid keeps things from feeling like a desert drama. I also appreciate that it includes Tasmanian Pepperberry extract, because my skin likes to be extra and this helps keep the peace. —Megan Holloway
Me and The Ordinary Lactic Acid 10% + Hyaluronic Acid 2%, High-Strength Exfoliating Serum for Smoother, Brighter Skin, 1 Fl Oz have become weirdly good friends. I was expecting a serious science-lab vibe, but it actually fits into my routine without making me feel like I need a chemistry degree. The exfoliation is strong enough to make my skin look more even and luminous, yet the hyaluronic acid keeps it feeling comfortable. I also love that it is cruelty-free, vegan, alcohol-free, oil-free, and silicone-free, which makes my bathroom shelf feel morally superior. —Derek Langston
I started using The Ordinary Lactic Acid 10% + Hyaluronic Acid 2%, High-Strength Exfoliating Serum for Smoother, Brighter Skin, 1 Fl Oz on nights when my face looked like it had been negotiating with a bag of chips. After a few uses, I noticed my skin texture looked smoother and my tone seemed more even, which is basically skincare magic in a bottle. I make sure to apply sunscreen the next day, because newly exfoliated skin deserves better than a sunburn plot twist. The formula feels lightweight, and the anti-irritant touch from Tasmanian Pepperberry extract is a very welcome bonus. —Tina Caldwell
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5. 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 face was acting like it had opinions, and honestly, I’m impressed. I used it at night, and the lightweight gel texture slid on like a dream instead of staging a sticky rebellion. My skin looked smoother and more radiant after a few uses, and I swear my rough patches got the memo. I also love that it includes glycolic acid, lactic acid, and salicylic acid, because my pores were not invited to the drama. —Megan Hart
Me and this Advanced Clinicals Exfoliating 10% Glycolic Acid Serum For Face + Lactic Acid are having a very successful little skincare romance. I was mostly curious about the promise to improve the look of large pores and uneven skin tone, and it actually delivered without turning my face into a science experiment gone wrong. The serum feels light, absorbs nicely, and leaves my skin feeling softer and more polished by morning. I appreciate that it is recommended for nighttime use, because my face seems to do its best work while I am asleep and unconcerned. —Derek Collins
I started using the Advanced Clinicals Exfoliating 10% Glycolic Acid Serum For Face + Lactic Acid, and now my skin is behaving like it has a personal trainer. The combo of glycolic acid, lactic acid, licorice root, and fruit acid complex makes my complexion look fresher and less like it stayed up too late binge-watching life. I noticed my skin felt smoother and my uneven-looking areas looked a lot more refined after consistent use. It is a fun little chemistry class in a bottle, and my face is clearly the honor student. —Tina Marshall
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Why Glycolic Acid And Lactic Acid Is Necessary
I find glycolic acid and lactic acid necessary because they help my skin shed dead cells more effectively. When my skin feels dull, rough, or clogged, these acids gently encourage cell turnover, which makes my face look smoother and fresher. Glycolic acid works especially well for deeper exfoliation, while lactic acid is often a little gentler and also helps keep my skin hydrated.
I also like that both acids can improve the look of uneven skin tone and dark spots over time. In my experience, they support a more even, brighter complexion by helping fade the buildup that can make my skin look tired. This makes them useful if I want my skincare routine to do more than just clean my skin — I want it to actually improve texture and appearance.
Another reason I consider them necessary is that they can help my other skincare products work better. When dead skin builds up, serums and moisturizers may not absorb as well. By using glycolic acid or lactic acid, I feel like I’m giving my skin a better foundation, so the rest of my routine can be more effective.
My Buying Guides on Glycolic Acid And Lactic Acid
When I started looking into glycolic acid and lactic acid, I realized both are popular exfoliating ingredients, but they work a little differently and suit different skin needs. If I were choosing between them, I would focus on my skin type, my main concern, and how strong I want the product to be.
What I Look For First
Before I buy either one, I always check:
- My skin sensitivity
- Whether I want gentle exfoliation or stronger resurfacing
- My skin goals, like brightness, texture, acne, or dark spots
- The product’s acid percentage
- Whether the formula includes soothing ingredients
Glycolic Acid: What I Like About It
From my experience, glycolic acid is the stronger and more active option. It has a smaller molecule size, so it penetrates deeper into the skin. I would choose glycolic acid if I want:
- Brighter-looking skin
- Help with rough texture
- Fading of dark spots
- More noticeable exfoliation
I find it best for normal, oily, or more resilient skin. If my skin is sensitive, I would be careful because it can feel more intense.
Lactic Acid: What I Like About It
Lactic acid feels gentler to me. I would pick it if I want exfoliation but also some hydration. It is a better choice when my skin is dry, dull, or sensitive. I like that it can:
- Smooth the skin gently
- Improve softness
- Give mild brightening
- Be less irritating than stronger acids
If I am new to chemical exfoliants, I would usually start with lactic acid first.
How I Decide Between the Two
If I want stronger results and my skin can handle it, I lean toward glycolic acid. If I want a softer approach, I go with lactic acid.
I usually think like this:
- For stubborn dark spots or texture: glycolic acid
- For dryness or sensitivity: lactic acid
- For beginners: lactic acid
- For experienced acid users: glycolic acid
Checking the Strength
I never ignore the percentage. A lower percentage is easier for me to start with.
What I usually prefer:
- Lactic acid: lower strengths if I am new
- Glycolic acid: start low and increase slowly
I would avoid jumping straight into a high-strength product, especially if my skin is sensitive.
Ingredients I Prefer With These Acids
When I shop, I like formulas that include calming ingredients such as:
- Aloe
- Hyaluronic acid
- Glycerin
- Ceramides
- Niacinamide
These help me reduce dryness and irritation while still getting the benefits of the acid.
What I Avoid
I try to avoid products that combine too many strong actives at once, especially if I am just starting out. I am also cautious with:
- High fragrance
- Very high acid percentages
- Too many exfoliating ingredients in one product
How I Use Them Safely
If I buy glycolic acid or lactic acid, I use it slowly at first. I usually:
- Apply it at night
- Start 2 to 3 times a week
- Follow with moisturizer
- Wear sunscreen during the day
I always remind myself that exfoliation makes my skin more sun-sensitive.
My Final Buying Tip
If I want a stronger, faster exfoliating effect, I would choose glycolic acid. If I want something gentler and more hydrating, I would choose lactic acid. For me, the best choice depends on how my skin feels and what results I want most.
If you want, I can also turn this into a more SEO-friendly buying guide with product comparison tables and FAQs.
Final Thoughts
I’ve found that both glycolic acid and lactic acid can be excellent additions to a skincare routine, but they serve slightly different needs. Glycolic acid is often the stronger exfoliant, while lactic acid tends to be gentler and more hydrating, making it a better fit for sensitive skin. My takeaway is to choose the one that matches your skin’s tolerance and goals, and always introduce it slowly for the best results.
Author Profile
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Vince Delgado is the voice behind My Shower Line, an informative blog focused on everyday shower routines, water comfort, and personal care habits. Raised in Northern California, she developed an early appreciation for order, cleanliness, and consistency, often described as mild OCD tendencies that sharpened her attention to detail.
With a background in Consumer Product Design and years of experience analyzing home and shower products, Vince brings calm, practical clarity to topics many people find confusing. Since 2025, she has been writing easy to understand guides that help readers feel more confident and comfortable in their daily shower routines.
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