What is the best percentage of glycolic acid?

Author: Dr. Oma Cassin II  |  Last update: Saturday, August 16, 2025

In conclusion, a glycolic acid concentration of 7% to 17% is generally considered effective and safe for improving skin texture and reducing the appearance of fine lines and wrinkles.

Is 10% glycolic acid too strong?

A 10% concentration of Glycolic Acid is generally considered safe and effective for most people. However, an individual's skin tolerance and sensitivity can be a determining factor in whether a treatment with 10% Glycolic Acid is too strong.

Can I use 7% glycolic acid every day?

Can I use glycolic acid everyday? Short answer: yes, Glycolic Acid can benefit your skin, but the key is finding the right strength that your skin can tolerate. As dermatologist Dr. Bottiglione explains, irritation or redness may occur initially, but there is no need to worry as permanent scars are uncommon.

What percent glycolic acid is effective?

If your focus is on addressing visible signs of aging such as fine lines, dullness, and uneven skin texture, a concentration of greater than 5% and closer to 10%- 17% glycolic acid is generally recommended for nighttime use like the Glycolic Peel Cleansing Pads and the Ultra Anti-Aging Cream.

Can I use 10% glycolic acid everyday?

It's fine daily if your skin is tolerating it and you aren't seeing any irritation. 10% is on the higher end for daily use but it's perfectly safe.

Reviewing Glycolic Acid Skincare Hacks | Doctorly Explains

Can I leave 10% glycolic acid on overnight?

Yes, Glycolic 10 Renew Overnight is a glycolic night treatment that you can leave on overnight to allow it to absorb into your skin.

What happens if you use too much glycolic acid?

Glycolic acid can cause irritation and redness if you have sensitive skin or overuse the product. Since glycolic acid can make your skin sensitive to the sun, remember to wear sunscreen and consider using glycolic acid at night.

Why is my skin getting darker after using glycolic acid?

“Those with darker skin tones, need to be cautious with glycolic acid,” warns Dr Buldeo. “It can cause a paradoxical darkening of the skin by stimulating melanocytes,” These are the melanin-producing cells in your skin's deepest layer so this can lead to hyperpigmentation in black skin.

Do you moisturize after glycolic acid?

6. Always moisturize after use. Glycolic acid exfoliates and hydrates the skin, but it can irritate or dry out sensitive skin. Always follow your glycolic acid application with an additional light moisturizer to reduce the effects of dryness and irritation on the skin.

Is 5% glycolic acid too strong?

Concentrations between 5-10% of glycolic acid are considered most effective for exfoliation on a regular basis. There are also more intense, rinse-off glycolic acid peels featuring higher concentrations of AHAs, which you can use at home on an occasional basis, about once a week, to improve the look of deeper wrinkles.

What to pair with glycolic acid?

Apply vitamin C in the morning and glycolic acid at night. Glycolic acid and hyaluronic acid: Since hyaluronic acid loads up skin with moisture, it makes for an excellent pairing with glycolic acid. Look for a product that combines both for easiest application, though you can also layer serums.

What are the side effects of glycolic acid?

Common side effects of Glycolic Acid include dry skin, erythema (skin redness), burning sensation, itching, skin irritation, and skin rash. Glycolic Acid can make the skin more sensitive in the sunlight, hence always use sunscreen and protective clothing before you step outdoors.

Should I use glycolic acid in the morning or night?

As for whether you should apply glycolic acid morning or night, we recommend applying it as part of your evening skincare routine. Glycolic acid can cause “photosensitivity,” which means it makes your skin more sensitive to the sun's UV rays, upping your chances of a sunburn or skin damage.

Does glycolic acid remove dark spots permanently?

Glycolic acid can actually interrupt the way your skin makes melanin. Especially in spots where it's making too much. Over time, as you keep using glycolic acid regularly, it helps hyperpigmentation and melasma to fade. This means that over time, your skin tone looks much more even.

Can I use glycolic acid with retinol?

Yes, you can! With strategic use, the combined benefits of glycolic acid and retinol can help you attain a healthier, radiant complexion. Need help with your skincare routine? Take help from the L'Oréal Paris Skin Genius tool to get a customized skincare routine and take care of your skin like a pro.

How to know if glycolic acid is working?

Signs that glycolic acid is working include smoother skin texture, fewer breakouts, and a more even skin tone. Some people may also notice a light tingling sensation on application, which is normal.

Is glycolic acid better on wet or dry skin?

To achieve smoother, healthier, and more radiant skin, start by removing your makeup and then cleanse your face. Also, ensure your skin is properly dried: applying on wet skin will be less effective and less well-tolerated, as the presence of water makes the acid more irritating.

Can I leave glycolic acid on overnight?

Glycolic acid can be used on the face and let it absorbed into the skin by leaving it on all night. Rinse off with water the next day.

What percentage of glycolic acid is effective?

The ideal percentage of glycolic acid for at-home use would be 8% to 25% percent, with 25% being what I call the “high normal.” With higher concentrations, formulations matter! It is important to note that home use AHA creams, lotions and serums are buffered, compared to AHA peels with lower pH.

Can glycolic acid cause more wrinkles?

Reality: Glycolic acid can help to reduce the appearance of fine lines and wrinkles, but you may need a stronger concentration of glycolic such as the Ultra Anti-Aging Cream to be effective for deep wrinkles. Myth 4: Glycolic acid can cause sun sensitivity.

Can you use glycolic acid under eyes?

Glycolic Acid is your go-to for an eye cream, gentle yet effective to demolish dark circles.

Is 10% glycolic acid too high?

Concentrations of greater than 10% glycolic acid should only be used while under the care of a dermatologist. Using high concentration products inappropriately can cause serious skin reactions.

Which glycolic acid is best?

13 Best Glycolic Acid Products of 2024, Tested by Experts
  • Best Overall. Mary Kay TimeWise Repair Revealing Radiance Facial Peel. Read more.
  • Best Value. L'Oréal Paris Revitalift Bright Reveal Anti-Aging Peel Pads with Glycolic Acid. Read more.
  • Best for Anti-Aging. philosophy Microdelivery Triple-Acid Brightening Peel. Read more.

What are the bad side effects of glycolic acid?

Common side effects reported after the use of glycolic acid peels include reddening; a stinging sensation or sensation of pulling of facial skin; mild burning; and temporary post-inflammatory dark spots.

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